17mm f/4

[P. J. Alling]

Fisheyes don't work that way.  I think the diagonal corner to corner 
coverage of the 16mm is exactly the same as the 17mm.  But I can't find 
where I read that at the moment.

Mark Roberts wrote:
> Rick Womer wrote:
>
>   
>> You're not going to get much fisheye effect at 17mm
>> unless you're getting a 1DS.
>>     
>
> I'd be curious to see just how much fisheye effect does show up. 
> Cotty's 1D-II is a 1.3 crop, so it ought to be more apparent than on a 
> 1.5 or 1.6 crop camera.
>
> Another lens to consider is the Pentax SMC A 16mm fisheye. Only 1mm 
> wider but every millimeter makes a big difference at these focal 
> lengths, especially with a cropped-format sensor.
>
>   
>> Tokina makes the 10-17 fisheye zoom in a Canon mount. 
>> Of course, you would miss the sadistic glee of a mount
>> transplant without anesthesia...
>>     
>
> I'd like to know if the Tokina lens covers the 1.3-crop sensor (thery 
> certainly don't warn against it). That information could be interesting 
> in many ways :)
>
>
>   


-- 
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