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Photography - Basic Understanding

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Presentation made for basic understanding in Photography.

Presentation made for basic understanding in Photography.

Index:
- What is photography?
- Basic terms in photography
- Equipment

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  • 1.) that actualy means Drawing with light and describe the photography best.
  • 1.) There is no simple definition what the exposure in photography is, but it descripe how well the photograhy in lighted.2.) On theleftphotoyoucanseetheoverexposuredphoto, withlargewhiteareas or “overburnedspots” as wesay in photography.
  • Maybe you will ask, why “long exposure” if we are talking about shutter speed. The longer the shooter speed is, the longer the senzor or film is exposured to a light and that is called “long exposure” in photography .
  • 1.) Maybe you will ask, why “long exposure” if we are talking about shutter speed. The longer the shooter speed is, the longer the sensor or film is exposed to a light and that is called “long exposure” in photography .2.) For “long exposure” shoots it is necessary to have a really steady hand, image stabilizer or tripod or some other support structure.
  • 1.) Aperture on the left photo is f1.8 (wide open) which give us a thin line of focus – the foreground and background are blurred2.) But on the right photo, aperture is f8.0 (semi-closed). The result is sharper photo even in the background.
  • That picture shows us the principle how does the aperture or more specific, how does the blades of aperture works.If we have aperture set on value f4, that means, that when we click on trigger, aperture will open for that value. How long it will stay open is determined by shutter speed.
  • 1.) We only use higher ISO values in the darker places (in rooms, at the evning, at the concers, etc)2.) Normally we use ISO between 100 and 400.
  • Those cameras are more expensive than compacts cameras. Their prices go up to 8000EUR (approximately 7000GBP) for professional cameras.
  • Andfortheend, one ofthe most truthfullquotescamefromAnsel Adams: “You don’t make a photograph, yoo make it.”

Photography - Basic Understanding Photography - Basic Understanding Presentation Transcript

  • Photography7 October 2011Matic Golob
  • Index • What is photography? • Basic terms in photography • Equipment
  • Photography What is photography?
  • What is photography? The word photography comes from two ancient Greek words [1]: • Photo = "light“ "Drawing • graph = "drawing" = with light" “Today, photography has become a powerful means of communication and a mode of visual expression that touches human life in many ways.” [1]
  • PhotographyBasic terms in photographyAnd what they mean
  • Basic terms inphotographyand what they mean • Exposure • Shutter speed • Aperture • ISO • Understanding those terms is crucial if you want your photography will look like ones in magazines.
  • Exposure • “A good exposure occurs when you maintain as much detail as possible in both the very bright parts (highlights) as well as the very dark parts (shadows) of an image” [2]. Bad exposure Good exposure
  • Shutter speed • Shutter speed is a time which tells us for how much time the shutter will be open. • It is measured in seconds. • D-SLR cameras usually supports times between 30s and 1/8000s.
  • Shutter speed Fast shutter speed • Shorter times are used to stop motions and freeze the subjects. • For sport, macro, nature and every day photography.
  • Shutter speed Long exposure • Longer times are used for isolating objects or pointing them out. • Used to achieve dramatic effects. • Used mostly in waterscape and architecture photography.
  • Aperture • Aperture is a hole which light is admitted. • Aperture also controls depth of field (DOF), which refers to how much of the image is in focus.
  • Aperture “Inside the camera lens is a system of blades which open and close to increase or decrease the opening through which light passes into the camera.” [2]
  • ISO • ISO value tells us the sensor sensitivity to the light • High ISO means high sensor sensitivity and opposite • ISO value effect to photo quality • Higher ISO means lower quality (more noise)
  • PhotographyEquipment
  • Equipment • Cameras • D-SLR Cameras • Compact Cameras (pocket cameras) • Lenses • Standard lenses • Telephoto lenses • Zoom lenses • Wide Angle lenses • Speedlights (Flashes) Flicker..com - Adam Buhler
  • D-SLR Cameras • Digital Single Lens Reflex Cameras • Advantages: [3] • You can see exactly what the lens sees • The lenses are exchangeable • Larger image sensors (high-quality photos) • D-SLR cameras are very fast cameras and has a near-zero lag time
  • Lenses • Standard lenses (KIT lenses) • Provided by a manufactures along with the cameras. • Generally, these lenses have focal length somewhere between 17mm and 70mm. • Telephoto lenses • These are the lenses with longer focal length. • Normally between 70mm and 500mm. • They have fixed focal length.
  • Lenses • Zoom lenses • These are the lenses with variable focal length. • The most standard Focal length are 18-55mm, 70-200mm and 70-300mm. • These lenses are very common. • Wide Angle lenses • These are the lenses with low focal length (between 10mm to 24mm). • They are mostly used for landscape photography.
  • Speedlights (Flashes) • Integrated Speedlights • Built-in cameras • External Speedlights • Mostly for D-SLR cameras • Provide much more light • They are programmable • Studio Flashes • Used for commercial photography
  • Thank you"You dont take a photograph,you make it." - Ansel Adams -
  • Literature • [1] Unknown author, History - What is Photography? quoted at 05/10/2011 available on http://scphoto.com/html/history.html • [2] Unknown author, Memorial University, Introduction to Digital Photography, quoted at 05/10/2011, available on http:// www.mun.ca • [3] Unknown author, What is Digital SLR Camera quoted at 06/10/2011 available on http://www.digital-slr-guide.com/what-is-a-digital-slr.html