Recently Rob Studdert wrote:
>
> If the FA 20 mm f/2.8 and A 20 mm f/2.8 have the same optical formulations
> (as per Boz's site) why then does the Pentax Screen-lens compatibility chart
> indicate differing behaviour between these two lenses using the same
> screens? Any ideas.
Hi Rob,
Can you give us a few more details? Which screen is recommended for one
and which for the other?
Cheers,
Boz
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