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|Model||SP AF 20-40 mm f/2.7-3.5 Aspherical (IF)|
|Lens style||Wide angle zoom|
|Focal length||20 - 40 mm|
|Maximum aperture||f/2.7 - 3.5|
|Angle of view||95 - 57 o|
|Closest focusing distance||0.5 m|
|Number of diaphragm blades||6|
|Auto focus type||AF|
|Lens Construction||15 elements / 12 groups|
|Filter diameter||77 mm|
|Available mounts||Canon EF
|Dimensions||81 x 81.5 mm|
Average rating (1 owners reviews).
|Value for money||4.00|
|Value for money|
Owner since: 6 months
Price: 95 Euros
User profile: Amateur
Cons: - very Vulnerable to flares - very low optical performance completely open (just gets usable at f/4) - is vignetting much - strong distortion at 20mm wide open
Pros: - metal construction - front lens doesn't rotate while focusing - cheap fullframe 20mm wideangle !
Summary: I use this lens on my Nikon D700. Compared to other Nikon Lenses it delivers very different colors than Nikkor Lenses. Personally, I love the way this lens renders blue and green tones.