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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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 Posted: Tue Jul 12, 2011 5:44 pm Post subject: Meyer Primagon in M39? |
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tond wrote:
Hello all,
Has anybody ever seen a Meyer Primagon 35/4.5 in M39 screw mount?
One just came to my hands.
I wonder, have Meyer ever made M39 mounts?
It doesn't seem that the mount has been changed... looks like the mount is factory-made.
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue Jul 12, 2011 6:33 pm Post subject: |
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Attila wrote:
This is a converted lens from M42 or to Exakta ->M39 , mount is replaced , three screws in rare side clear evidence.
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Tue Jul 12, 2011 6:51 pm Post subject: |
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iangreenhalgh1 wrote:
Attila is right, it's been converted.
Good news is, the register is still M42 so you can put it on any camera the M42 version will work on, just need an M39 adapter instead.
Or just put a M39-M42 stepper ring on it.
The Primagon is a great lens imho, sharp wide open, good colours and contrast, needs a hood though.
This was shot wide open with my Primagon (M42) and I think it's pretty sharp.
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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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| Posted: Tue Jul 12, 2011 6:52 pm Post subject: |
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tond wrote:
Thanks! I had such doubts.
But what's wrong with the screws?
Photo from internet, usual M42 mount, same 3 screws:
Or, you mean, if it was a real Meyer mount, it would be black?  |
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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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| Posted: Tue Jul 12, 2011 6:53 pm Post subject: |
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tond wrote:
Thank you, iangreenhalgh1.
I have already ordered M39->M42 from ebay and waiting to use this lens. |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue Jul 12, 2011 6:57 pm Post subject: |
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Attila wrote:
| tond wrote: |
Thanks! I had such doubts.
But what's wrong with the screws?
Photo from internet, usual M42 mount, same 3 screws:
Or, you mean, if it was a real Meyer mount, it would be black? |
Compare screw positions and rare block shape , much different.
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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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| Posted: Tue Jul 12, 2011 7:01 pm Post subject: |
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tond wrote:
Btw, this Primagon arrived to me with an early russian SLR Zenit 3m, and with another lens-mystery - an early Helios 44 (silver) numbered 5044459.
According to russian numbering schema, it means that the lens was made in 1950.
But according to information on russian websites, the Helios 44 has been designed in 1951...
A mystery indeed. |
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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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| Posted: Tue Jul 12, 2011 7:02 pm Post subject: |
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tond wrote:
| Attila wrote: |
Compare screw positions and rare block shape , much different. |
Yes. they are... Thanks. |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue Jul 12, 2011 7:16 pm Post subject: |
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Attila wrote:
| tond wrote: |
Btw, this Primagon arrived to me with an early russian SLR Zenit 3m, and with another lens-mystery - an early Helios 44 (silver) numbered 5044459.
According to russian numbering schema, it means that the lens was made in 1950.
But according to information on russian websites, the Helios 44 has been designed in 1951...
A mystery indeed. |
So 3M is reason why it was converted, I did shoot yesterday with my 3m on Russian lens numbering first two digits not always mean years. Another possible explanation it did start earlier than 1951.
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Tue Jul 12, 2011 7:22 pm Post subject: |
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iangreenhalgh1 wrote:
Aha, the 3M (of which I sadly have two broken examples) has an M39 mount but the M42 register distance. That will be why it was converted - the user wanted a wide angle lens for it. I'm not sure if the Mir-1 37mm was ever made in M39 for the 3M, it was made in M42 of course.
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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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| Posted: Tue Jul 12, 2011 7:28 pm Post subject: |
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tond wrote:
| Attila wrote: |
So 3M is reason why it was converted, I did shoot yesterday with my 3m on Russian lens numbering first two digits not always mean years. Another possible explanation it did start earlier than 1951. |
All russian lenses (and all pictures) which I have seen either started with zeroes (allegedly made for special series), or started with numbers which most likely meant production years (and were consistent with production periods of these particular models).
I haven't seen a third option. |
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tond
Joined: 12 Jul 2011
Posts: 63
Location: Dublin, Ireland
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| Posted: Tue Jul 12, 2011 7:32 pm Post subject: |
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tond wrote:
| iangreenhalgh1 wrote: |
| Aha, the 3M (of which I sadly have two broken examples) has an M39 mount but the M42 register distance. That will be why it was converted - the user wanted a wide angle lens for it. I'm not sure if the Mir-1 37mm was ever made in M39 for the 3M, it was made in M42 of course. |
It's definitely the reason... I only had a bold guess that maybe Meyer made a special M39 serie to fulfill an order from russians   |
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BRunner
Joined: 29 Jul 2009
Posts: 705
Location: Czech Republic
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| Posted: Tue Jul 12, 2011 7:41 pm Post subject: |
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BRunner wrote:
There is 0,5mm difference in register distance between M42 and Zenit M39 which is shorter. So with most M39 russian SLR lenses you can't reach infinity.
This Primagon looks converted to me.
Ad. Helios:
| no-X wrote: |
| MMZ lenses with serial number beginning by "N40xxx", "N50xxx" or "N60xxx" are likely made in 1964, 1965 and 1966 (first number of sn very likely means year of 196x decade)" |
From this thread, second post: Complete list of Helios lenses - getting closer
| iangreenhalgh1 wrote: |
| ... I'm not sure if the Mir-1 37mm was ever made in M39 for the 3M, it was made in M42 of course. |
Yes, silver version. I still have one in my collection.
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
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| Posted: Tue Jul 12, 2011 7:49 pm Post subject: |
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iangreenhalgh1 wrote:
Good info, cheers. I keep forgetting the Zenit M39 was a wee bit shorter than M42.
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