I use the excellent Vivitar 19mm f3.8. A bit slower but a superb lens that's rarely 
out of my camera bag.

Nick

-----Original Message-----
    From: "Ian bromehead"<[EMAIL PROTECTED]>
    Sent: 25/01/04 20:36:41
    To: "[EMAIL PROTECTED]"<[EMAIL PROTECTED]>
    Subject: MIR-47K 20mm f2.8 lens tests or experiences
      Fellow pentaxphiles
    There seems to be a growing number of russian lenses arriving on the scenes,
    and some notable specialists such as Herbert Keppler, seem to suggest they
    can be great value. 
    I'm taking my time searching for reasonably priced wide angle/fisheye,
    clearly this type of glass means lots of pennies in most cases.
    I came across a russian MIR-47K 20mm f2.8 Pentax K mount, but there's
    precious little information from users' experiences or tests.
    I did find a few threads concerning mirrors in some bodies hitting the rear
    filter mounts, seems from those threads that my pZ-1p wouldn't be affected
    !!
    Anyone confirm, I don't dare think of the risks 
    Seems also that 1 of the supplied rear filters HAVE to be used all the time,
    since they're part of the optical system. 
    How come ?
    Anyone have any actual usage experiences with this glass ?
    Thanks
    Ian
    
    

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