Lens review
2009-11-24
Sigma 4.5 mm f/2.8 EX DC CIRCULAR FISHEYE HSM
2. Pictures and parameters
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 |
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| Construction: |
9 groups / 13 elements |
| Field of view: |
180 deg. |
| Aperture: |
f/2.8 |
| Min. focusing dist.: |
0.135 m |
| Filter size: |
72 mm |
| Dimensions (length x diameter): |
76.2 mm x 77.8
mm |
| Weight: |
470 grams |
| Price: |
1000 $ |
