Pentax-DA 560mm F5.6 ED AW

Started Mar 28, 2013 | Discussions thread
Tom Lusk
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Re: Pentax-DA 560mm F5.6 ED AW
In reply to brandrx, Mar 28, 2013

brandrx wrote:

Tom Lusk wrote:

From the intro:

With a focal length of 560mm (840mm equivalent in the 24x36 mm format),

Huh?

560mm when used on APS-C is equivilent FOV of an 840mm lens that is used on FF.

Ron

I understood it to say 560mm on a apsc camera equates to an 840mm lens on FF camera.

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