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Old Aug 31, 2006, 9:14 PM   #1
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:?what is the difference between the 8mm f3.5 fisheye and the 50mm f2.0 macro lens.are they both good for every day picture taking nd are they both auto focus.
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Old Aug 31, 2006, 9:47 PM   #2
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First, the difference...NIGHT/DAY. An 8mm fisheye is an EXTREME wide-angle lens while the 50 mm macro is a slight telephoto good-for-portraits with macro capability.The 50mm can be used for general shots but the 8mm has a very specific range of use. I know the 50mm will autofocus and while not sure about the 8mm can think of no reason why it wouldn't.
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Old Aug 31, 2006, 9:55 PM   #3
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There are different types of lenses, depending on the mm and angle of view. The fisheye is a super wide lens because it can see 180 degrees, while the 50mm has a 24 degree angle of view (it also has macro capabilities). Here's the list of lenses:

Fisheye
- 8mm f3.5 Fisheye

Ultra Wide Angle
- 7-14mm f4.0 Zoom

Semitelephoto w/Macro
- 35mm f3.5 Macro
- 50mm f2.0 Macro

Standard Zoom
- 11-22mm f2.8/3.5 Wide
- 14-45mm f3.5/5.6
- 14-54mm f2.8/3.5

Tele Zoom
- 35-100mm f2.0 PRO ED
- 40-150mm f3.5/4.5
- 50-200mm f2.8/3.5
- 90-250mm f2.8 PRO ED

Ultra Zoom
- 18-180mm f3.5/6.3 Zoom

Telephoto
- 150mm f2.0 Telephoto
- 300mm f2.8 Super Telephoto

Here's the full list of lenses including Sigma (click on the brand links on the left side of the chart to go to a page describing the lens):
http://www.wrotniak.net/photo/oly-e/lenses.html
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