1. Lens COM 241 Photography I

2. Normal 35-50 mm for 35 mm SLR cameras Looks most like human vision Least expensive Usually have high maximum apertures

3. 50 mm

4. Henri Cartier-Bresson, (Siphnos), Greece 1961

5. Telephoto Greater than 50 mm Enlarges, but includes less of scene Like looking thru telescope Higher lowest f-stop Have to use a faster shutter speed –Equivalent to focal length of lens –200 mm lens = 1/200 shutter speed

7. San Antonio Spurs guard Tony Parker reacts as he walks of the court after the Spurs defeated the Sacramento Kings in their Western Conference playoff game. (AP Photo/Eric Gay) Right, Natalie Gulbis watches her shot from the bunker during the third round of the Florida's Natural Charity Championship. (AP)

8. 300mm

9. Wide angle Less than 50 mm –35 mm, 28 mm are common Show a wider angle of scene than normal Greater depth of field Can cause distortion –Especially if shooting close to subject

12. Brad Yamada, manager of Sports Mania in Eastland Mall, displays a wide variety of University of Illinois sports merchandise in stock Wednesday (March 16), as Illini fans stocked up in anticipation of the team's NCAA Tournament appearance. The Pantagraph/DAVID PROEBER Garlic Press owners Sarah McManus, right, and Jackie Pope-Ganser practice using a cappuccino machine Wednesday (March 9) in the new restaurant side of the Garlic Press. The restaurant is scheduled to open later this month. The Pantagraph/LORI ANN COOK

13. 24 mm

14. Zoom Combine a range of focal lengths into one lens 50 - 135 mm zoom –Any lens in between 50 mm and 135 mm More expensive than fixed length lenses –But get more than one lens

15. Disadvantages –Higher f-stop –Image quality 68 mm, 28-300 mm zoom

16. 300 mm, 28-300 mm zoom

17. Micro Used for close-up photos More expensive

18. Micro 200 mm

19. Fisheye Very wide angle of view –Up to 180 degrees Distort by bending straight lines that are on edges of camera

20. Recent floods have put pressure on China's massive Three Gorges Dam as torrential rains continue after dozens are killed in widespread storms. Cheng Min / AP

21. Michigan quarterback Denard Robinson celebrates with students after beating Ohio State 40-34 at Michigan Stadium on Saturday, Nov. 26. Gregory Shamus / Getty Images

22. 16 mm fisheye