1. FRITZ SCHNEIDERPEACHAM CYBERNETICS Introduction To Digital Photography I - Basics

2. Photography is not new 15 th Century 19 th Century 20 th Century 21 st Century “Camera Obscura”. Tintypes, Daguerreotypes, etc. Film, paper, wide- spread use. Digital, electronic transmission.

3. Human Vision Focuses on part of scene Adjusts rapidly to light Continuously flits around Limited color range Color lost in low light

4. Basics of Photography Subject Lens Imaging surface Image storage Image retrieval ()

5. Film Photography vs. Digital Subject Lens Film Developing Darkroom magic? Printing Subject Lens Sensor Memory Card Postprocessing Printing or Display or e-Mail or…

6. How Photographs are used Film  To make small prints to pass around  To make large prints to display  To make slides to be projected Digital  To display on a screen  To send as e-mail  To share on the Internet  To build web sites  Occasionally to print out

7. Economic Differences FilmDigital Initial costModerateGetting cheaper Taking pictures Must buy film and developing Free!! Take all you want! Image display Must pay for prints (even if blurry) or own a slide projector. Need a computer

8. Characteristics of a Digital Camera Lens quality Size: Cell Phone vs. Pocket vs. Long Zoom vs. SLR Memory type: Internal, SD, XD, Memory stick Resolution in megapixels Zoom range Stabilization User interface Battery life

9. How many Megapixels? On screen? 1024 x 768 =.79 MP Finest printing is 300 dpi, the resolution limit of the unaided human eye. More allows you to crop it and still have detail. Bigger pictures take longer to save and need a larger memory card. Picture Size At 150 dpiAt 300 dpi 4 x 60.54 MP2.16 MP 8 x 101.8 MP7.2 MP

10. Sources of Information Magazines (but they are often out of date) Friends experience (not opinion) Reviews  www.dpreview.com www.dpreview.com  Imaging Resources Ignore the salesman!

11. Basics of Photography Composition Focus Exposure

12. My Pet Peeve Here we are in …

13. Why are you taking the picture? To prove I was there To tell a story Because it’s beautiful

14. Composition: single subject Vs.

15. Composition: Rule of Thirds vs.

16. Composition: Lead the Eye

17. Composition: People add interest

18. Composition: Frame the subject

19. Focus: Depth of Field Wider aperture (f/2.8) has less depth of field Telephoto has less depth of field

20. Exposure The camera has limited range. It does not see what you see. Washed out highlights Lost shadow detail

21. Exposure: Special Conditions Spot metering setting Fill flash Check White Balance Half-press the shutter release Reduce exposure for snow, sunrise, etc.

22. Battery Life If you have one, use the eye-level viewfinder as much as possible: the screen uses power Turn off flash, be aware of red-eye feature Carry a spare battery