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Lens review

Sigma 4.5 mm f/2.8 EX DC CIRCULAR FISHEYE HSM

24 November 2009
Szymon Starczewski

2. Pictures and parameters

Pictures:
Parameters:
Manufacturer Sigma
Model 4.5 mm f/2.8 EX DC CIRCULAR FISHEYE HSM
Lens style Fisheye
Focal length 4.5 mm
Maximum aperture f/2.8
Angle of view 180 o
Closest focusing distance 0.14 m
Maximum magnification 1:6
Minimum aperture 22
Number of diaphragm blades 6
Auto focus type HSM
Lens Construction 13 elements / 9 groups
Filter diameter 72 mm
Macro No
Available mounts Nikon F
Sony A / Minolta
Sigma
Pentax K
Canon EF-S
Dimensions 76.2 x 77.8 mm
Weight 470 g
Additional information