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M39 to M42 to EOS-- possible?

Andrew C , Oct 03, 2004; 01:52 a.m.


I don't know too much about stacking adapters-- is this going to cause a problem because the lens is going farther and farther from the (in my case) sensor?

I would like to use M39 lenses by way of an M39 to M42 adapter, which I would stack onto my M42 to EOS adapter. Hopefully, the Digital Rebel could use some of that good ol' [cheap!] M39 glass.

Thanks, André


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Ron Chappel , Oct 03, 2004; 02:14 a.m.

No,it will work perfectly.

Use the camera in Av mode for semi auto metering-even the flash works properly!
All you have to do is focus and choose an aperture setting

Lindy Stone , Oct 03, 2004; 03:32 a.m.

Will you have infinity focus with the leica glass on your eos? Please post your results as I am curious whether this turns out to be a macro option only.


Chris JB , Oct 03, 2004; 04:17 a.m.

Hi, for lindy these adapters are supposed to give infinity , not cheap but the glass isn`t either



Peter Evans , Oct 03, 2004; 04:18 a.m.

I don't know anything (other than at second- or third-hand) about EOS, but I do know a little about 39mm and 42mm. So the first question: what is this good ol' 39mm stuff intended for? A Leica/Zorki/Fed, or a Zenit? If the former, forget about it. If the latter, yes, you can get a little 39mm-to-42mm adapter ring; and with this adapter ring, your lenses-for-Zenit will behave like M42 lenses.

Yakim Peled , Oct 03, 2004; 05:55 a.m.

Ron Chappel , Oct 03, 2004; 09:06 a.m.

Sorry,let me add abit.
I know for certain that M42 lenses work perfectly on a Digital rebel (or any EOS for that matter) with a simple EOS-M42 adapter
However i was assuming that the M42-M39 adapter was a correct one.Just be sure that any such adapter still allows infinity focus and *doesn't use glass lenses*.Using glass refocus adapters is a sure road to dissapointment.

Andrew C , Oct 03, 2004; 10:53 a.m.

There seems to be confusion over what I was posting.

I already have an M42 to EOS adapter; my question was, would an M39 to M42 adapter on top of it allow full use of M39 lenses on the EOS? The first poster seemed to answer my question; but I'm still not sure as to whether or not infinity focus is lost.

Take care, André

Andrew C , Oct 03, 2004; 10:54 a.m.

By the way,

This M39-M42 adapter would not have glass elements, so it looks like infinity might be lost...

Tommy Lee , Oct 03, 2004; 12:33 p.m.

Unlike M42 which is mostly in SLR. There are number of camera formats uses the M39 mounts. In short

M39 lens for range finder camera (e.g.: Canon own range finder) will not work for you. It will be like having a 15mm extension tube attached to your camera. You can do macro photo but not much else. (Hey, free extension built-in :-)

M39 lens for SLR (e.g.: Zenith brand) Those should work and allow infinity focus as well.

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