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EOS To M42 Auto Adapter HELP
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PostPosted: Fri Jan 16, 2009 8:45 am    Post subject: EOS To M42 Auto Adapter HELP Reply with quote

Just bought a Vivitar 300 TX that has the M42 mount but goes not have the Auto/MF switch so with my existing EOS to M42 adapter I can only use it wide open.
Anyone know of an adapter that will depress the button so that I can use it in Stop Down metering mode


PostPosted: Fri Jan 16, 2009 1:49 pm    Post subject: Reply with quote

Hi Captan,

See photo of two different M42->EF mount adapters>


The left one has a ledge which pushes aperture pin of M42 lens,
you should get this type of adapter. I got that black one from
ebay seller ROXSEN in Japan, a reliable seller and long time telescope
and camera accessary seller originally and now too.

note: This type adapter sometime causes a problem for m42-lens which
has a bigger rear block, this prevents from inserting the lens in the final
resting position. In this case you may not be able to focus infinity.


The right side M42->EF adapter was from ROXSEN or HappypageHK.


PostPosted: Fri Jan 16, 2009 3:40 pm    Post subject: Reply with quote

Many thanks Koji now i know what i am looking for


PostPosted: Sat Jan 17, 2009 1:37 pm    Post subject: Reply with quote

Look!

This adapter will also work! Cool