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M42 to OM adapter , not 4/3
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PostPosted: Sun Jul 12, 2009 8:23 pm    Post subject: M42 to OM adapter , not 4/3 Reply with quote

Does anyone have a m42 to OM (not 4/3) adapter for sell or know where I could get one?
Ive only seen one on ebay but the shipping cost was 30$ or something. so wasnt worth it at all.

I think I wouldnt be able to get infity with one, but itès only to use with extension tubes anyway.


PostPosted: Sun Jul 12, 2009 9:52 pm    Post subject: Reply with quote

You could use a T2 OM mount. Take out the ring, replace with a bit of neoprene and use the three screws to hold your lens in place. Not super strong though so be careful!


PostPosted: Sun Jul 12, 2009 11:40 pm    Post subject: Reply with quote

Knowing myself that's not a great idea, I would be probably end up grabbing the lens in a moment of inattention and the camera would meet the ground.

Looking at the completed listings on ebay I missed one by a few minutes. Shocked


PostPosted: Mon Jul 13, 2009 2:38 am    Post subject: Reply with quote

i expect that that M42 to OM was probably a typo.

Reg distance OM: 46mm
Reg distance M42: 45.5mm

You won't be able to do infinite for sure.
Although 0.5mm seems a small difference, it will make a difference, for instance, Minolta MD = 43.5mm and Canon EOS = 44mm, and still conversions are not always easy, whereas the adapter needs optics if you want to put a MD lens on an EOS body.


PostPosted: Mon Jul 13, 2009 3:27 am    Post subject: Reply with quote

no typo.
I want to use m42 lenses with an OM extension tube set, so being able to have infinity doesn't really matter.
But looking at cheap 4/3 tubes on ebay, I'm thinking it might be about the same price to just go with that instead. And most likely a lot faster to get instead of waiting for an adapter to pop up again.

But I'd like to upgrade my camera eventually to a EOS body or a sigma with an om mount, so the less stuff that would be rendered useless by then the better.


PostPosted: Mon Jul 13, 2009 4:06 am    Post subject: Reply with quote

shadows wrote:
no typo.
I want to use m42 lenses with an OM extension tube set, so being able to have infinity doesn't really matter.
But looking at cheap 4/3 tubes on ebay, I'm thinking it might be about the same price to just go with that instead. And most likely a lot faster to get instead of waiting for an adapter to pop up again.

But I'd like to upgrade my camera eventually to a EOS body or a sigma with an om mount, so the less stuff that would be rendered useless by then the better.


so you are using a 4/3 body right now?

and the OM is only in the case you want to get a sigma with OM adapter?


PostPosted: Mon Jul 13, 2009 4:33 am    Post subject: Reply with quote

hk300 wrote:

so you are using a 4/3 body right now?


Yes, right now I am using an olympus e-500.

hk300 wrote:

and the OM is only in the case you want to get a sigma with OM adapter?


yep.


PostPosted: Mon Jul 13, 2009 12:52 pm    Post subject: Reply with quote

Or perhaps what I saw were just t t-2 mounts labeled as m42, so i guess ill be buying another set of tubes.


PostPosted: Mon Jul 13, 2009 6:00 pm    Post subject: Reply with quote

shadows wrote:
Looking at the completed listings on ebay I missed one by a few minutes. Shocked


I think i bought it, if it was the one at 6£ from UK. If i don't use it much you'll have it Very Happy


PostPosted: Mon Jul 13, 2009 6:25 pm    Post subject: Reply with quote

hexi wrote:

I think i bought it, if it was the one at 6£ from UK. If i don't use it much you'll have it Very Happy


Yep that was the one, though good thing I didn't buy because threads are different on T mounts and m42 mounts even thought they are the same sizes.