Photo101
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Transcript

  • 1. Photography 101 Good Tastes Club Nov 20th, 2011
  • 2. A picture is worth a thousand words Some iconic images ….
  • 3. Some can shock too• WARNING – Disturbing images follow
  • 4. So how do YOU shoot great pictures?• Get an expensive camera• Get an even more expensive lens• Buy Adobe PhotoShop !!!
  • 5. What is a photograph?
  • 6. Two Basic Principles• Composition – The Artistic element• Exposure – The Scientific element
  • 7. Composition• Elements in a photograph - what to capture and what not to capture• Foreground, middle ground and back ground• Perspective
  • 8. Rule of Thirds• Rule of Thirds says that important compositional elements should be along the intersection of 2 equally spaced horizontal and vertical lines of a picture• Do not place the same dead centre
  • 9. What makes a Digital Camera• Camera Body (Sensor, Screen, Controls, Memory Card, Flash etc)• Lens• Accessories (Tripod, Filters, Light Meter etc)
  • 10. Types of Digital Camera’s• DSLR’s (Entry level, Mid Level & Pro Gear)• Point and Shoot (no viewfinder only screen)• Prosumer – the in between• Mini DSLR’s or MILC’s
  • 11. Focal Length• The distance from the Lens to the sensor at which parallel rays converge to a point is called focal length
  • 12. Focusing & Zooming• The process of adjusting the lens to sensor distances so that objects on the plane of focus are clearly defined is called focusing• Focusing can be automatic or manual in your camera• Zooming is changing of the angle of view to get closer or away from the subject• Zooming are of 2 types namely optical and digital• Digital zoom is used by most point and shoot cameras
  • 13. Effect of zooming
  • 14. Exposure• Exposure ∞ Quantity of light * Duration of light * Sensitivity of sensor to light• Quantity of light is controlled by Aperture• Duration of light is controlled by Shutter Speed• Sensitivity to light is controlled by ISO setting
  • 15. Aperture and f numbers
  • 16. Aperture• Aperture controls the quantity of light entering the camera and hitting the sensor• Its used to control the depth of field (DOF)• DOF is the range of distance that appears acceptably sharp• Shallow DOF is used for close ups and large DOF for landscape photos
  • 17. Focus
  • 18. Effect of controlling DOF – f 2.8
  • 19. Effect of controlling DOF – f 22
  • 20. Shutter Speed• Shutter speed controls the length of time the sensor is exposed to light• Its typically expressed as 1/50th of a sec to 1/100th, 1/250th, 1/500th of sec and so on• Its used for freezing movement or creating an impression of fluidity
  • 21. Shutter Speed of 1/1000th second – freezing of action
  • 22. Shutter Speed of ½ second – Motion blur
  • 23. ISO• ISO is a measure of how sensitive the digital sensor is to light• Its generally expressed as 100, 200, 300 and so on• ISO 100 is regarded as normal and in case of low light shooting it can be increased for better results• High ISO’s like 400 or more may give a grainy and noisy image so its advisable to use lower ISO
  • 24. Exposure Triangle
  • 25. Some Top Tips – Buying a Camera• Look at DSLR or MILC – Versatile long term investment but at a slightly higher price point. Buy with kit lens• 60% of DLSR market dominated by Canon & Nikon• 60% of MILC market dominated by Olympus, Panasonic & Sony• Very good Compact & Prosumer cameras also offered by Samsung, Fuji, Casio & Kodak• Sensor size and mgeapixel count
  • 26. Some Top Tips – Shooting Photos• Read the manual end to end. They will give you lot of pointers on how to get the best out of your camera• Explore settings such as Scene menus, Aperture control and Shutter Speeds• Don’t use Auto Mode unless unavoidable
  • 27. Some Top Tips – Shooting Photos• Remember the Rule of Thirds• Avoid using flash – Place camera on some surface• When shooting portraits aim your camera at eye level of the subject• Process your images using any image processing software
  • 28. THANK YOU