Hi Peter

As others have said, those lenses will be fine on any Pentax DSLR with
the proviso that the field of view will be different.  The 35-70 will be
equivalent to about 52-105 due to the sensor being smaller than 24mm x
36mm size of 35mm film.  If you need wide angle, you will need a new
lens.




Cheers

Brian

++++++++++++++++++++++++++++++++++
Brian Walters
Western Sydney Australia
http://members.westnet.com.au/brianwal/SL/


On Mon, 25 May 2009 14:16 +0930, "Peter" <[email protected]> wrote:
> Have a Pentax SF7 (film) camera with a SMC Pentax-F Zoom 35-70 f3.5 AF)
> 
> (Also have a Tokina 70-210 f4.5 AF)
> 
> Are these lenses usable on any Pentax Digital SLR's? I am currently 
> investigating at upgrading to Digital SLR.
> 
> Am particularly interested in the new K-7 (still waiting for pricing in 
> Australia) or the K-m.
> 
> The feature I liked most about my old SF7 was the "AF spotbeam" which 
> assisted with auto-focus using the flash in dark environments. Is this 
> feature currently available on any of Pentax's DSLR's or is this now 
> superceded?
> 
> Thanks PeterD
> 
> 
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