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06-08-2012, 01:38 AM   #16
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Ahhh, thanks. Even the lipped one, had I not seen the difference, would have looked "lipped" to me. Thanks very much. I'm looking for some lenses and M42 comes up, but I didn't want to deal with the additional complication of no infinity, in addition to no quick changes when using the adapter, but retaining infinity would still help.

06-08-2012, 10:41 PM   #17
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Just a word of warning to those new to this subject: if you get a flush adapter which is not a genuine Pentax item, then you'll probably be running the risk of having the adapter jam on the camera (particularly if the adapter comes with an extraction tool). Most users of these cheap copies recommend removal of the little spring in order to avoid difficulties.

This means that the adapter won't lock onto the camera body, so if you have a stiff-focusing lens you may find the lens turns as you focus. However, a lot of forum members are happy with this. An advantage of this type of adapter is that it's cheap enough to be able to be used to convert each M42 lens that you own into a K-mount lens (you buy one for each lens). (Whereas the Pentax adapter is intended as a means of converting a K-mount camera body to - temporarily - an M42 body.)
11-28-2012, 05:25 AM   #18
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Hi,

I've got a similar problem with an old f8 500mm, is there anyway to adjust the lens rather than use a different type of mount? I think the element at the end of the camera can be adjusted to be closer or further away from the camera, would this work?

Thanks
11-28-2012, 08:07 AM   #19
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QuoteOriginally posted by andybrown33 Quote
Hi,

I've got a similar problem with an old f8 500mm, is there anyway to adjust the lens rather than use a different type of mount? I think the element at the end of the camera can be adjusted to be closer or further away from the camera, would this work?

Thanks
Depends on the lens...which is?

11-28-2012, 10:24 AM   #20
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Hi,
It's a "Dufay" but think this is very similar to Paragon etc., regular lens and not a mirror.

Thanks
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