On 28/11/2012 4:40 AM, me wrote:
On Tue, 27 Nov 2012 12:37:57 -0500, me wrote:



I don't believe that to be the case. They are the same diameter. And
form the more expensive listing,

Ultra-wide 180º diagonal field-of-view for APS-C size image
formats--will produce a rounded image that doesn't cover the entire
frame when used with compatible full frame digital cameras or 35mm
film cameras

If you look at the larger images the marking sa fisheye CS and CS-II.
So I gather an updated version.


My bad. Forget the above.



I was trying to work that out.

My point was both give 180 degree angle. But if you get 180 on a Dx you
are not going to achieve that on full frame.