Nikon has a 16mm fisheye
Canon has a 15mm fisheye
What's the difference between the two different focal lengths? Don't all fisheyes have a viewing angle of 180°?
Nikon has a 16mm fisheye
Canon has a 15mm fisheye
What's the difference between the two different focal lengths? Don't all fisheyes have a viewing angle of 180°?
1mm
I dont believe all have 180 degree at all
Darren
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No. Never have had. Hell, my beautiful little Tokina 10-17 fish is a zoom!
Isn't the tokina 10-17mm the only zoom fisheye? How does it compare to the other "primes" (aka, say a Canon 15mm?)
I'm also kind of curious why the comparison between two different brand lens fisheyes?
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On a cropped sensor, the 15mm and 16mm primes would hardly be "fishy" at all, ie these prime fisheyes would only really give the intended effect on a full frame sensor. The Tokina 10-17 is intended for a cropped sensor and gives a "full-frame equivalent" of 16mm. At the 10mm end it is very fishy; at 17mm, it is almost rectilinear.
There is a good article on fisheye lenses on Wikipedia. It explains that early fisheyes were circular and all 180˚.