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dude163
Joined: 21 Mar 2010
Posts: 726
Location: New Brunswick , Canada
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 Posted: Wed Jul 13, 2011 10:27 pm Post subject: can you convert a m39/42 Helios 40 to leica R? |
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dude163 wrote:
Hi all, i got an email frorwarded to me from a fellow I know on another forum as he knows I have a helios 40, here is the question/email in its entirety, any help would be wonderful, thanks
"Paul,
Great site! I really enjoy your bokeh discussion.
I have a few mechanical questions, since I've not handled this lens. Does the rear part of this lens, the knurled part that has the mounting threads unscrew from the barrel? The reason I am asking is that I would like to mount it on another camera which is not m39/m42 thread. I suppose that I could just get a Pentax screw mount body for it. I'd prefer to have it on my Leica-R, however.
Also, is the lens unit easily removable from the barrel?
Do you have any idea what the image circle is? I'm thinking of mounting it on my Sinar 4x5 for macro work!
Any information that you could share with me would be appreciated.
kind regards,
Van
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Soviets: Helios 44m-6 and 40-1 , Pentacon 50mm f1.8
Taks : ST 28mm f3.5 , ST 35mm f3.5, SMC 50mm f1.4 , ST 55mm f2 , SMC 135 f 3.5 , ST 200 f 4
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Vintage lens blog : http://dude163.blogspot.com/
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Jul 13, 2011 10:37 pm Post subject: |
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Attila wrote:
My message to him, he has enough money to buy a right lens, don't modify a great lens. Keep it in original shape or sell to somebody who has more respect about legacy gears. This lens is a valuable member of Russian lens history if he want to use it plenty of opportunity available on both film and digital to use it without butchering.
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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BRunner
Joined: 29 Jul 2009
Posts: 705
Location: Czech Republic
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| Posted: Wed Jul 13, 2011 10:48 pm Post subject: |
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BRunner wrote:
On my silver Helios-40 the rear part is made from one piece of brass. So, I think, that only nondestructive way is to make completely new rear part with appropriate mount and replace the original one. The lens can be then put in the original condition.
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Wed Jul 13, 2011 11:37 pm Post subject: |
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iangreenhalgh1 wrote:
Is there such a think as a M42 to Leica R adapter?
If not, do as Attila says and get a different lens, if he has the budget there are many alternatives.
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I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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uhoh7
Joined: 24 Nov 2010
Posts: 1300
Location: Idaho, USA
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| Posted: Thu Jul 14, 2011 12:13 am Post subject: |
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uhoh7 wrote:
I've craved one these for a while, but you almost never see them in the states, and the cheapest out of e europe are a pretty penny.
I have an idea what it can do, but little about the production history and rarity.
I gave up today when I found a canon ltm 85/1.5 and blew my Helios fund.
I know they are unrelated but the samples from the canon I've seen show some nice swirls too 
Somebody fill me in.....
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Thu Jul 14, 2011 12:39 am Post subject: |
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Attila wrote:
Helios-40 rare in Europe too most of them what people find here goes to Ebay and not so many there. I saw locally perhaps 3-4 pieces under 5 yrs.
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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xjjohnno
Joined: 07 Apr 2009
Posts: 1270
Location: Melbourne Australia
Expire: 2011-11-18
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| Posted: Thu Jul 14, 2011 1:24 am Post subject: |
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xjjohnno wrote:
Leica R register is 47mm, Zenit 39mm is 45.6mm register so whatever your friend decided on doing to go to Leica R would mean good bye infinity focus. |
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Thu Jul 14, 2011 2:36 am Post subject: |
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iangreenhalgh1 wrote:
| xjjohnno wrote: |
| Leica R register is 47mm, Zenit 39mm is 45.6mm register so whatever your friend decided on doing to go to Leica R would mean good bye infinity focus. |
And you can bet Leica made that register 47mm so people couldn't use M42 and other mount lenses on their R bodies.
Leica may be high quality but they make you pay through the arse for it...
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I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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scsambrook
Joined: 29 Mar 2009
Posts: 2167
Location: Glasgow Scotland
Expire: 2011-11-18
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| Posted: Thu Jul 14, 2011 12:18 pm Post subject: |
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scsambrook wrote:
| iangreenhalgh1 wrote: |
| xjjohnno wrote: |
| Leica R register is 47mm, Zenit 39mm is 45.6mm register so whatever your friend decided on doing to go to Leica R would mean good bye infinity focus. |
And you can bet Leica made that register 47mm so people couldn't use M42 and other mount lenses on their R bodies.
... |
No, no, no, for a start, in 1964 Leitz probably didn't even know there were such things as SLRs like Pentaxes or Prakticas, let alone Nikons and Canons. Mmm, well, maybe the Exakta, perhaps. With Leitz the reason would have been far, far more arcane. Like, that register distance probably let them use one of their many Visoflex lenses on one of their plethora of long-discontinued mount/focusing adapters on the R body in conjunction with yet another of their . . . etc etc etc. I sometimes think their company motto might have been "Thou shalt not keep it simple, at any price!"
Don't get me wrong, I like a Leica. Even a Leicaflex.
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Stephen
Equipment: Pentax DSLR for casual shooting, Lumix G1 and Fuji XE-1 for playing with old lenses, and Leica M8 because I still like the optical rangefinder system. |
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Thu Jul 14, 2011 12:35 pm Post subject: |
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iangreenhalgh1 wrote:
Aha, that makes sense, I didn't realise the R series had been around as long as 1964.
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