Brian Walters wrote:

>That's because the sensor in the Canon is slightly different in size to that 
>in the Pentax (at least I think that's the case).  Mark was referring to the 
>Pentax when he mentioned a factor of 1.5.  A factor of 1.6 applies to the 
>Canon.
>
>
>
>Cheers
>
>Brian
>

Yup yup
ann

>
>++++++++++++++++++++++++++++++++++
>Brian Walters
>Western Sydney Australia
>http://members.westnet.com.au/brianwal/SL/
>
>
>Quoting ann sanfedele <[EMAIL PROTECTED]>:
>
>  
>
>>Hey, Mark
>>
>>Adam called it 1.6  in another post :)  
>>
>>    
>>
>
>  
>
>>Mark Cassino wrote:
>>
>>    
>>
>>>Assuming you are using a Pentax DSLR - the focal
>>>length compared to a 35mm camera is 1.5x greater. So
>>>the 28mm is a 42mm - quite a nice angle of view IMO.
>>>Someday I hope to find a fast 28 prime to use as a
>>>normal lens...
>>>
>>>Your 100mm macro is like a 150. The lenses don't
>>>magnify any more that on 35mm, but because the sensor
>>>is smaller the angle of view is narrower. It's like
>>>cropping a full framed 35 shot down.
>>>
>>>HTH -
>>>
>>>MCC
>>>      
>>>
>
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