300mm 2.8 AF: Sigma vs Pentax

[P. J. Alling]

That's not what Robb is screaming, about and Pentax's crop factor is 
more like 1.55, and Canon's small sensor is closer to 1.64, though it 
varies from camera model to camera model.

syb vis wrote:
> Ah really, can you tell the difference between 450mm and 480?
>
> Erhm... (trying to find myself a way out of this crazy mistake)
>
> Why not start a challenge: guess the f-distance a picture was shot with...
>
> Syb
>
>
>
>
> 2007/8/13, Cotty <cottycam at mac.com>:
>   
>> On 12/8/07, William Robb, discombobulated, unleashed:
>>
>>     
>>> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
>>> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
>>> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
>>> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
>>> AAAAAAAAAAAAAAAAAAAGGGGGGGGGGGGGGGGGG
>>> GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
>>> GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
>>> GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
>>> GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
>>> GGGGGGGGGGGGGGGGGGGGGGGGGGGHHHHHHHHHH
>>> HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
>>> HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
>>> HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
>>> HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
>>> HHHHHHHHHHH!!!!!!!!!!!!!!!!!!!!!!!!!!
>>> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>>> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>>> help me
>>>       
>> To help this man, please send your old, outdated lenses to:
>>
>> 1.6 Crop Factor Road
>> Small Sensor
>> Canada
>> CCD 1.5X
>>
>> --
>>
>>
>> Cheers,
>>   Cotty
>>
>>
>> ___/\__
>> ||   (O)   |     People, Places, Pastiche
>> ||=====|    http://www.cottysnaps.com
>> _____________________________
>>
>>
>>
>> --
>> PDML Pentax-Discuss Mail List
>> PDML at pdml.net
>> http://pdml.net/mailman/listinfo/pdml_pdml.net
>>
>>     
>
>
>   


-- 
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