Good morning Acer, I'm not sure what the screw
thread is for, but if it a smaller diameter than a
T-mount then it can't be for the older Pentax screw
thread because the T-mount and Pentax threads are the
same diameter, only the thread pitch is
different(t-mt=42x.75mm pentax=42x1mm). From the
photograph it looks like the ring can be removed by
loosening set screws, have you tried to remove it yet?
Keep us informed please. John Robison
--- Acer V <siddim01@xxxxxxxxxxxxxxx> wrote:
> SOrry for the OT, but a bunch of classic users here,
> so you might be able
> to help:
> on an exa lens I bought[1] there's an adaptor of
> some sort, making it from
> a bayonet(?) to screw mount, but the diameter is
> smaller than the tmount
> diameter. Is this is the Kmount or other screw mount
> from the older
> times? See picture. Thanks
>
> /Acer V
> --
> The Whole Sort Of General Mish Mash
> http://student.ucr.edu/~siddim01
>
> [1]
>
http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=274291773
>
> looks much better in person, and the 16 aperture
> blades are a nice
> surprise :) use will be portraits, (not too sharp a
> la Zuikos), and
> Redlands camera has a PC cord/shoe thingy to get T32
> to fill-flash as well
> <g>
>
>
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