Unit57 terminology by james fox
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Shutter speed determines how long the camera shutter remains open when taking a photo. Slower shutter speeds allow more light into the camera and are used for dimly lit scenes, while faster shutter speeds freeze motion by keeping the shutter open for less time. ISO measures the sensitivity of the image sensor, with lower ISO numbers producing finer grain photos but requiring more light, and higher ISO allowing faster shutter speeds in darker conditions at the cost of noisier images.
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The document discusses three key components of cameras and telescopes: the aperture, which is an adjustable opening that controls the amount of light passing through the lens; shutter speed, which is the duration that the shutter is open measured in fractions of seconds with faster speeds having a larger denominator; and ISO, which indicates the light sensitivity of a film or digital image sensor with lower numbers representing less sensitivity and finer grain.
Task 2 photography terminology work sheet (2)
This document discusses various photographic terminology including shutter speed, ISO, aperture, depth of field, exposure modes, white balance, and the rule of thirds composition technique. Shutter speed determines how long the camera shutter is open, and can be used to freeze motion with fast speeds or blur motion with slow speeds. ISO measures the sensitivity of a camera sensor to light, with higher ISO numbers producing grainier images but allowing lower light shooting. Aperture affects depth of field, with wider apertures creating shallower depth of field. Manual exposure mode allows adjusting shutter speed and aperture manually while automatic exposure mode calculates exposure automatically. White balance removes color casts under different light sources. The rule of thirds places important elements along the th
Still Photography
Still photography involves using a camera to capture images using light. The key components of a camera that enable it to capture light are the lens, iris, shutter, and image sensor. When taking a picture, the lens focuses light from the scene onto the image sensor, while the iris and shutter control the amount of light and exposure time. The exposure triangle of aperture, shutter speed, and ISO work together to determine the overall exposure of the photo.
Manual camera settings
The document defines aperture as the opening in a camera lens that can be adjusted to control the amount of light reaching the film or digital sensor. Aperture is measured using F-stops, with lower F-stop numbers indicating larger openings that allow more light. The document then provides three pictures taken at different ISO settings to demonstrate how ISO impacts light exposure, with a higher ISO resulting in a darker picture. It further explains that shutter speed determines how long the shutter remains open when taking a picture, and together with aperture, controls the total light exposure. Finally, it defines ISO as measuring the light sensitivity of an image sensor, with higher ISO settings used in darker situations but resulting in noisier images.
Shutter Speed
The shutter is a door inside the camera that opens when the shutter button is pressed, allowing light to enter and expose the image sensor. At slow shutter speeds moving objects appear blurry, while at fast shutter speeds they appear clearer. Shutter speed is measured in fractions of a second, with higher numbers indicating faster speeds. Faster shutter speeds require more light and can freeze motion, while slower speeds allow blurring effects. The document provides guidance on selecting shutter speeds for different types of shots and adjusting aperture, ISO, exposure compensation if images appear too dark at a desired shutter speed.
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The document discusses several key camera settings that impact photos:
1) Aperture controls the amount of light entering the camera and the depth of field, or how much of the photo is in focus. A larger aperture lets in more light but narrows the depth of field, while a smaller aperture lets in less light but increases depth of field.
2) Shutter speed determines how long the shutter is open, impacting motion blur and exposure. A fast shutter speed captures motion with less blur, while a slow shutter speed blurs motion but allows more light in.
3) ISO adjusts the camera's light sensitivity, with higher ISO numbers capturing more light but introducing more image noise. Lower ISO results in
Task 2 photography terminology work sheet
The document discusses various photographic concepts and how different camera settings affect images. It provides examples of images taken with different shutter speeds - a faster shutter speed of 1/60 sec produces a clear image while a slower shutter speed of 1/6 sec is too slow and produces a blurry image. It also discusses how aperture, ISO, depth of field, manual exposure, white balance, and the rule of thirds compositional technique impact photographs.
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The document discusses several key camera settings that impact photos:
1) Aperture controls the amount of light entering the camera and affects depth of field, with larger apertures admitting more light but narrowing depth of field and smaller apertures doing the opposite.
2) Shutter speed determines how long the shutter is open, with faster speeds freezing motion but risking underexposure and slower speeds blurring motion but reducing risk of underexposure.
3) ISO adjusts the camera's light sensitivity, with higher ISO admitting more light but increasing image noise and lower ISO reducing noise but risking underexposure.
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The document discusses three key components of cameras and telescopes: the aperture, which is an adjustable opening that controls the amount of light passing through the lens; shutter speed, which is the duration that the shutter is open measured in fractions of seconds with faster speeds having a larger denominator; and ISO, which indicates the light sensitivity of a film or digital image sensor with lower numbers representing less sensitivity and finer grain.
Task 2 photography terminology work sheet (2)
This document discusses various photographic terminology including shutter speed, ISO, aperture, depth of field, exposure modes, white balance, and the rule of thirds composition technique. Shutter speed determines how long the camera shutter is open, and can be used to freeze motion with fast speeds or blur motion with slow speeds. ISO measures the sensitivity of a camera sensor to light, with higher ISO numbers producing grainier images but allowing lower light shooting. Aperture affects depth of field, with wider apertures creating shallower depth of field. Manual exposure mode allows adjusting shutter speed and aperture manually while automatic exposure mode calculates exposure automatically. White balance removes color casts under different light sources. The rule of thirds places important elements along the th
Still Photography
Still photography involves using a camera to capture images using light. The key components of a camera that enable it to capture light are the lens, iris, shutter, and image sensor. When taking a picture, the lens focuses light from the scene onto the image sensor, while the iris and shutter control the amount of light and exposure time. The exposure triangle of aperture, shutter speed, and ISO work together to determine the overall exposure of the photo.
Manual camera settings
The document defines aperture as the opening in a camera lens that can be adjusted to control the amount of light reaching the film or digital sensor. Aperture is measured using F-stops, with lower F-stop numbers indicating larger openings that allow more light. The document then provides three pictures taken at different ISO settings to demonstrate how ISO impacts light exposure, with a higher ISO resulting in a darker picture. It further explains that shutter speed determines how long the shutter remains open when taking a picture, and together with aperture, controls the total light exposure. Finally, it defines ISO as measuring the light sensitivity of an image sensor, with higher ISO settings used in darker situations but resulting in noisier images.
Shutter Speed
The shutter is a door inside the camera that opens when the shutter button is pressed, allowing light to enter and expose the image sensor. At slow shutter speeds moving objects appear blurry, while at fast shutter speeds they appear clearer. Shutter speed is measured in fractions of a second, with higher numbers indicating faster speeds. Faster shutter speeds require more light and can freeze motion, while slower speeds allow blurring effects. The document provides guidance on selecting shutter speeds for different types of shots and adjusting aperture, ISO, exposure compensation if images appear too dark at a desired shutter speed.
Canon getting started guide
The document discusses several key camera settings that impact photos:
1) Aperture controls the amount of light entering the camera and the depth of field, or how much of the photo is in focus. A larger aperture lets in more light but narrows the depth of field, while a smaller aperture lets in less light but increases depth of field.
2) Shutter speed determines how long the shutter is open, impacting motion blur and exposure. A fast shutter speed captures motion with less blur, while a slow shutter speed blurs motion but allows more light in.
3) ISO adjusts the camera's light sensitivity, with higher ISO numbers capturing more light but introducing more image noise. Lower ISO results in
Task 2 photography terminology work sheet
The document discusses various photographic concepts and how different camera settings affect images. It provides examples of images taken with different shutter speeds - a faster shutter speed of 1/60 sec produces a clear image while a slower shutter speed of 1/6 sec is too slow and produces a blurry image. It also discusses how aperture, ISO, depth of field, manual exposure, white balance, and the rule of thirds compositional technique impact photographs.
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The document discusses several key camera settings that impact photos:
1) Aperture controls the amount of light entering the camera and affects depth of field, with larger apertures admitting more light but narrowing depth of field and smaller apertures doing the opposite.
2) Shutter speed determines how long the shutter is open, with faster speeds freezing motion but risking underexposure and slower speeds blurring motion but reducing risk of underexposure.
3) ISO adjusts the camera's light sensitivity, with higher ISO admitting more light but increasing image noise and lower ISO reducing noise but risking underexposure.
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The document discusses aperture, shutter speed, and ISO in photography. It defines aperture as the opening in a camera lens that controls the amount of light reaching the sensor or film. Shutter speed determines how long the shutter remains open when a photo is taken, with slower speeds allowing more light. ISO measures the sensitivity of the image sensor, with higher numbers allowing photos in darker conditions but resulting in grainier images. The document explains how aperture, shutter speed, and ISO work together to control the overall light and exposure of photographs.
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The document discusses various photography techniques including exposure, lighting, shutter speed, aperture, and white balance. It defines each technique and provides examples and tips for adjusting settings on digital cameras to control the brightness, darkness of images and to accommodate different lighting conditions. It recommends higher ISOs for lower light scenarios, faster shutter speeds for moving objects, small apertures for close-up shots, and using the white balance setting to adjust the color for different lighting like fluorescent.
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This document discusses various digital camera settings including resolution, exposure, ISO speed, depth of field, and macro mode. It explains that resolution controls the amount of detail in an image, with higher resolutions providing more detail but larger file sizes. Exposure is affected by aperture and shutter speed settings, which can be adjusted based on lighting conditions and whether the subject is moving. ISO speed impacts shutter speed and aperture combinations, with higher ISO allowing faster speeds in darker conditions. Macro mode is used to focus closely on subjects, increasing the aperture for a shallow depth of field. Digital zoom digitally enlarges images while optical zoom uses the camera's actual lenses to zoom.
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The exposure of a photo is controlled by the aperture and shutter speed. The aperture is the opening in the lens that controls how much light enters, while the shutter speed controls the duration of time the light hits the sensor. Other key settings are shutter speed, aperture, white balance, and ISO. Shutter speed controls motion blur, aperture affects depth of field, white balance removes color casts, and ISO impacts the shutter speed/aperture combination needed for proper exposure.
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This document discusses several key photography concepts:
1) Aperture controls the amount of light entering the camera by adjusting the lens opening. Larger apertures allow more light while smaller apertures allow less light.
2) Shutter speed determines the length of time the camera shutter is open. Faster shutter speeds freeze motion while slower shutter speeds blur motion.
3) ISO settings control the camera sensor's light sensitivity, with higher ISO numbers allowing pictures in darker conditions but risking more image noise.
Digital Cameras
Digital cameras come in various types for different needs and budgets, including point-and-shoot cameras which are small, light, and inexpensive; prosumer cameras which are more versatile with some professional features; and professional SLR cameras which provide better image quality but are bulkier. Key components of digital cameras include the lens, which focuses light onto the image sensor, and the sensor which converts light to electric signals to create digital photos. Image quality is affected by the lens quality and zoom range, sensor resolution and size, and settings like ISO which controls light sensitivity. Buyers should consider specifications like these as well as features needed for their intended use.
Canon getting started guide
The document discusses various digital photography techniques including aperture, shutter speed, ISO, white balance, and post-processing adjustments. Aperture controls depth of field, shutter speed controls motion blur, and ISO adjusts light sensitivity and image noise. White balance settings alter the color temperature to match lighting conditions. Post-processing allows diptychs demonstrating curves, levels, cropping, dodging and burning, and color adjustments to modify tones and colors. Combined, these techniques give photographers control over visual qualities like focus, motion, brightness, hues, and composition.
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This document provides definitions and explanations of key photography terminology:
- Shutter speed determines how long the camera's shutter is open to allow light to hit the sensor or film. Faster shutter speeds freeze motion while slower shutter speeds blur motion.
- ISO refers to the camera's light sensitivity setting, with higher ISO numbers allowing faster shutter speeds in low light.
- Aperture refers to the size of the opening in the lens through which light passes. A wider aperture admits more light while a narrower aperture reduces the amount of light.
- Depth of field refers to the distance in front of and behind the point of focus that appears acceptably sharp. A narrow depth of field blurs the background and foreground while a
White balance
White balance is used to adjust the color temperature of light in digital photographs. It is important because light sources have different color casts. When shooting in raw format, white balance settings applied in-camera do not affect the raw data file, but some claim it can impact the exposure quality. The document recommends photographers experiment with their own camera to understand how white balance settings impact raw files.
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1) The document defines various photography terminology including shutter speed, ISO, aperture, depth of field, exposure, white balance, composition, and complementary colors.
2) It provides examples of fast and slow shutter speeds, low and high ISO, narrow and wide depth of field.
3) Macro photography is defined as extreme close-up shots, often at a size equal to or greater than the actual subject.
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The document provides information about different types of cameras and their functions:
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Manual mode allows for more control over camera settings like aperture, shutter speed, white balance and ISO compared to automatic mode. Photos taken in manual mode have more contrast and different coloring compared to auto mode, as manual mode gives the photographer more freedom to manipulate settings. Automatic mode lets the camera control settings, while manual control requires setting aperture, shutter speed and ISO manually.
Canon getting started guide --
The document provides information about various camera settings that impact the look and quality of photographs, including aperture, shutter speed, ISO, white balance, and post-processing techniques. It discusses how aperture affects depth of field, shutter speed affects motion blur, ISO impacts image noise, and white balance corrects color casts. Examples are given showing the effects of different settings combinations on photos. Post-processing techniques like cropping, levels, dodging and burning, and color curves are also briefly introduced.
Digital cameras
Digital cameras capture images digitally using an electronic image sensor rather than film. They store photos as numeric data rather than as patterns of light and dark. This allows for instant viewing and easy sharing of photos. When taking a photo, light enters through the lens and hits the camera's charge-coupled device (CCD), which converts the light information into numeric pixel data representing the image. The aperture, shutter speed, and focus settings all impact the amount of light captured and the clarity of the image on the CCD sensor.
Manual settings
The document discusses manual camera settings including aperture, shutter speed, and ISO. It explains how each setting impacts exposure and lighting. Aperture controls depth of field, with smaller numbers allowing more light but less in focus. Shutter speed determines motion blur, with faster speeds freezing action. ISO adjusts light sensitivity, with higher numbers requiring less light. The settings must be balanced - more aperture/ISO or slower shutter speed is needed for low light. In bright conditions, smaller aperture, faster shutter, and lower ISO work best. Manual mode gives full control over aperture and shutter speed.
Camera manual settings
Aperture controls the size of the opening that allows light into the camera, with a smaller aperture letting in less light and a larger aperture allowing more light. Shutter speed determines whether motion is frozen or blurred, with faster shutter speeds freezing action and slower shutter speeds blurring it. ISO measures the camera sensor's light sensitivity, with lower ISO numbers indicating less sensitivity and finer grain but also requiring more light. Higher ISO settings are used in darker situations but result in noisier images.
Camera manual settings
Aperture controls the size of the opening that allows light into the camera, with a smaller aperture letting in less light and a larger aperture allowing more light. Shutter speed determines whether motion is frozen or blurred, with faster shutter speeds freezing action and slower shutter speeds blurring motion. ISO measures the camera sensor's sensitivity to light, with lower ISO numbers indicating less sensitivity and finer grain but also requiring more light, and higher ISO numbers enabling faster shutter speeds in darker conditions but producing noisier images.
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The document discusses aperture, shutter speed, and ISO in photography. It defines aperture as the opening in a camera lens that controls the amount of light reaching the sensor or film. Shutter speed determines how long the shutter remains open when a photo is taken, with slower speeds allowing more light. ISO measures the sensitivity of the image sensor, with higher numbers allowing photos in darker conditions but resulting in grainier images. The document explains how aperture, shutter speed, and ISO work together to control the overall light and exposure of photographs.
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The exposure of a photo is controlled by the aperture and shutter speed. The aperture is the opening in the lens that controls how much light enters, while the shutter speed controls the duration of time the light hits the sensor. Other key settings are shutter speed, aperture, white balance, and ISO. Shutter speed controls motion blur, aperture affects depth of field, white balance removes color casts, and ISO impacts the shutter speed/aperture combination needed for proper exposure.
Canon getting started guide
This document discusses several key photography concepts:
1) Aperture controls the amount of light entering the camera by adjusting the lens opening. Larger apertures allow more light while smaller apertures allow less light.
2) Shutter speed determines the length of time the camera shutter is open. Faster shutter speeds freeze motion while slower shutter speeds blur motion.
3) ISO settings control the camera sensor's light sensitivity, with higher ISO numbers allowing pictures in darker conditions but risking more image noise.
Digital Cameras
Digital cameras come in various types for different needs and budgets, including point-and-shoot cameras which are small, light, and inexpensive; prosumer cameras which are more versatile with some professional features; and professional SLR cameras which provide better image quality but are bulkier. Key components of digital cameras include the lens, which focuses light onto the image sensor, and the sensor which converts light to electric signals to create digital photos. Image quality is affected by the lens quality and zoom range, sensor resolution and size, and settings like ISO which controls light sensitivity. Buyers should consider specifications like these as well as features needed for their intended use.
Canon getting started guide
The document discusses various digital photography techniques including aperture, shutter speed, ISO, white balance, and post-processing adjustments. Aperture controls depth of field, shutter speed controls motion blur, and ISO adjusts light sensitivity and image noise. White balance settings alter the color temperature to match lighting conditions. Post-processing allows diptychs demonstrating curves, levels, cropping, dodging and burning, and color adjustments to modify tones and colors. Combined, these techniques give photographers control over visual qualities like focus, motion, brightness, hues, and composition.
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Brief description of the working of modern day digital cameras, their parts and cut section revealing the mechanism of telescopic lens.
Photography terminologypowerpoint
This document provides definitions and explanations of key photography terminology:
- Shutter speed determines how long the camera's shutter is open to allow light to hit the sensor or film. Faster shutter speeds freeze motion while slower shutter speeds blur motion.
- ISO refers to the camera's light sensitivity setting, with higher ISO numbers allowing faster shutter speeds in low light.
- Aperture refers to the size of the opening in the lens through which light passes. A wider aperture admits more light while a narrower aperture reduces the amount of light.
- Depth of field refers to the distance in front of and behind the point of focus that appears acceptably sharp. A narrow depth of field blurs the background and foreground while a
White balance
White balance is used to adjust the color temperature of light in digital photographs. It is important because light sources have different color casts. When shooting in raw format, white balance settings applied in-camera do not affect the raw data file, but some claim it can impact the exposure quality. The document recommends photographers experiment with their own camera to understand how white balance settings impact raw files.
Digital Cameras Sponsored
Digital cameras come in various types for different needs and budgets, from cheap point-and-shoot cameras to expensive professional SLR models. Key components that impact image quality include the lens, image sensor, and image stabilization system. Camera lenses use different elements and apertures to focus light onto the sensor, and features like zoom range, aperture sizes, and sharpness are important. Larger image sensors generally produce higher quality images but increase camera size and cost. Other factors like resolution, noise, ISO light sensitivity, LCD screens, and manual controls allow photographers flexibility in shooting styles and environments. Understanding these core camera technologies helps choose the right camera.
Intro to Digital Photography
Digital cameras allow users to choose settings based on their needs and goals. Basic features to consider include resolution, which impacts image quality and print size; flash options; zoom levels; storage type; and macro mode for close-ups. Users can also control lighting through aperture, shutter speed, and ISO settings to manipulate depth of field and freeze or blur motion. Camera modes provide presets for common situations like landscapes, macros, and low-light conditions. File formats like JPG are universal but lossy, while RAW retains more data quality.
Photography terminologypowerpoint
1) The document defines various photography terminology including shutter speed, ISO, aperture, depth of field, exposure, white balance, composition, and complementary colors.
2) It provides examples of fast and slow shutter speeds, low and high ISO, narrow and wide depth of field.
3) Macro photography is defined as extreme close-up shots, often at a size equal to or greater than the actual subject.
Camera Functions Guide
The document provides information about different types of cameras and their functions:
- DSLR cameras provide high quality photos with manual options due to a large sensor and interchangeable lenses, while point and shoot cameras provide some manual options but lower quality than DSLRs.
- Cell phone cameras have the lowest photo quality and fewest manual controls due to their small built-in lenses.
- The document reviews parts of a DSLR camera like the lens, memory card slot, battery compartment, and buttons/dials for settings.
- Shooting modes for DSLRs include automatic, scene, and manual options for controlling different functions like aperture, shutter speed, and focus.
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This document provides information about how photography works and how cameras capture images. It discusses how cameras use lenses, apertures, and sensors to record light reflecting off objects. When light hits the image sensor, it is converted into electronic signals and pixels, forming a digital image. The document also describes different focusing systems and modes that give photographers control over which part of the scene is in sharp focus. It provides examples of how photographers can select specific focusing points or have the camera decide to keep moving subjects in focus.
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The document discusses key manual camera settings - aperture, shutter speed, and ISO. It explains that a larger aperture allows more light in but results in a shallower depth of field, while a smaller aperture allows less light in but increases depth of field. Shutter speed determines the length of time the camera's shutter is open, affecting exposure, and ISO controls the camera's light sensitivity, with higher ISO numbers increasing sensitivity but also noise.
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Manual mode allows for more control over camera settings like aperture, shutter speed, white balance and ISO compared to automatic mode. Photos taken in manual mode have more contrast and different coloring compared to auto mode, as manual mode gives the photographer more freedom to manipulate settings. Automatic mode lets the camera control settings, while manual control requires setting aperture, shutter speed and ISO manually.
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The document provides information about various camera settings that impact the look and quality of photographs, including aperture, shutter speed, ISO, white balance, and post-processing techniques. It discusses how aperture affects depth of field, shutter speed affects motion blur, ISO impacts image noise, and white balance corrects color casts. Examples are given showing the effects of different settings combinations on photos. Post-processing techniques like cropping, levels, dodging and burning, and color curves are also briefly introduced.
Digital cameras
Digital cameras capture images digitally using an electronic image sensor rather than film. They store photos as numeric data rather than as patterns of light and dark. This allows for instant viewing and easy sharing of photos. When taking a photo, light enters through the lens and hits the camera's charge-coupled device (CCD), which converts the light information into numeric pixel data representing the image. The aperture, shutter speed, and focus settings all impact the amount of light captured and the clarity of the image on the CCD sensor.
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Aperture controls the size of the opening that allows light into the camera, with a smaller aperture letting in less light and a larger aperture allowing more light. Shutter speed determines whether motion is frozen or blurred, with faster shutter speeds freezing action and slower shutter speeds blurring it. ISO measures the camera sensor's light sensitivity, with lower ISO numbers indicating less sensitivity and finer grain but also requiring more light. Higher ISO settings are used in darker situations but result in noisier images.
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This is a presentation which explores the functions of your digital camera. It shows examples of aperture, shutter speed, and perspective.
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The document discusses the three components of exposure in digital photography - aperture, shutter speed, and ISO. It explains how each component affects the exposure and describes the relationship between the three. Standard settings for aperture, shutter speed, and ISO are provided, along with examples of how changing one component requires adjustment of the others to maintain proper exposure.
Unit 57 photography evidence template
Unit 57: Photography and Photographic Practice
Camera Settings Evidence Template
The document discusses various camera settings and how they affect photographs, including ISO, white balance, shutter speed, and aperture. ISO measures light sensitivity - lower ISO results in clearer images while higher ISO allows for low-light photography but introduces noise. White balance compensates for different lighting conditions. Shutter speed controls exposure time - faster speeds freeze motion while slower speeds blur motion. Aperture sets depth of field - wider apertures shallow focus while smaller apertures maintain focus throughout. Understanding these settings is important for photo quality.
Task 2 photography terminology work sheet
Shutter speed determines how long the camera's shutter is open when taking a photo. A faster shutter speed captures moving objects more clearly by reducing blur, while a slower shutter speed introduces more blur. Shutter speed also depends on the amount of light - more light requires a faster shutter speed.
ISO controls the sensitivity of the image sensor - lower ISO numbers mean lower sensitivity to light and less grain, while higher ISO numbers produce brighter images that appear more grainy.
Aperture, determined by the f-stop setting, controls depth of field - a lower f-stop number produces a more blurred background, while a higher f-stop number results in a greater depth of field with less background blur.
Manual
The Mechanics Behind the Lens
The document discusses the exposure triangle of aperture, shutter speed, and ISO and how they work together to control the amount of light entering the camera. It explains that aperture regulates the diameter of the lens opening to control depth of field and shutter speed determines the duration of light exposure to control motion blur. While ISO increases the sensor's sensitivity, it also increases image noise. The document provides examples of different settings for various situations and compares a Nikon D80 DSLR to a CoolPix point-and-shoot camera.
Basics of Photography lecture 3.pptx
1. The document discusses various aspects of exposure in photography including the exposure triangle of aperture, shutter speed, and ISO.
2. It describes how aperture, shutter speed, and ISO affect the amount of light that reaches the camera sensor and therefore the exposure and brightness of the photo.
3. Metering modes, exposure compensation, histograms, and tools like zebra patterns are covered as ways to measure and help achieve proper exposure.
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Digital Photography Fundamentals : Aperture, Shutter Speed and Perspective
Digital Photography Fundamentals : Aperture, Shutter Speed and Perspective
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Harrison reed delve final major project magazine article
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Unit57 terminology by james fox
- 1. Unit 57: Photography and Photographic Practice Terminology (P1, P2, M1, M2) Term Explanation of term e.g. what it is used Examples for / the effect it has on your images Shutter Speed In photography and digital photography the shutter speed is the unit of measurement which determines how long shutter remains open as the picture is taken. The slower the shutter speed, the longer the exposure time. The shutter speed and aperture together control the total amount of light reaching the sensor. Shutter speeds are expressed in seconds or fractions of a second. For example 2, 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/8000. Each speed increment halves the amount of light. ISO In Digital Photography ISO measures the sensitivity of the image sensor. The same principles apply as in film photography – the lower the number the less sensitive your camera is to light and the finer the grain. Higher ISO settings are generally used in darker situations to get faster shutter speeds (for example an indoor sports event when you want to freeze the action in lower light) – however the cost is noisier shots. I’ll illustrate this below with two enlargements of shots that I just took – the one on the left is taken at 100 ISO and the one of the right at 3200 ISO (click to enlarge to see the full effect).