[Leica] IMG: A Morning with the Old Ross Lens

Jim Nichols jhnichols at lighttube.net
Fri Sep 2 14:18:42 PDT 2016


Peter, this is a commonly used statement, but is only partly correct.  
The Ross lens has an 8-inch focal length, so the magnification is that 
of a 200mm.

The crop factor for a Fuji with an APS-C sensor is 1.5.  So, the angle 
of view is that of a 300mm.

Jim Nichols
Tullahoma, TN USA

On 9/2/2016 3:25 PM, Peter Dzwig wrote:
>
> I guess this is equivalent to about a 260mm lens (8" x 25.4mm) x 1.3 crop factor?
>
>



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