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stingOM
Joined: 27 Sep 2007
Posts: 3168
Location: Ireland
Expire: 2012-12-27
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 Posted: Tue Nov 23, 2010 10:18 pm Post subject: Russian Helios 103 50/1.8 Contax/Kiev RF mount |
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stingOM wrote:
Is it possible to adapt this lens on the Panny G1?
Thx!  |
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Jesito
Joined: 24 Aug 2007
Posts: 5745
Location: Olivella, Catalonia, (Spain)
Expire: 2015-01-07
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| Posted: Tue Nov 23, 2010 10:35 pm Post subject: |
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Jesito wrote:
Yes, I think you need an adapter like this:
Click here to see on Ebay
Someone else can confirm it?
Regards.
Jes.
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WolverineX
Joined: 19 Apr 2009
Posts: 1693
Location: Zagreb , Croatia , Europe
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| Posted: Tue Nov 23, 2010 10:35 pm Post subject: |
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WolverineX wrote:
Click here to see on Ebay
seems to be
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http://forum.mflenses.com/wolverinex-testing-my-lenses-series-link-list-t39524.html |
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Sevo
Joined: 22 Aug 2008
Posts: 1189
Location: Frankfurt, Germany
Expire: 2012-12-03
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| Posted: Tue Nov 23, 2010 10:47 pm Post subject: |
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Sevo wrote:
The best right now seems to be the Amadeo one. He is selling them faster than he can make them, they are usually gone a day or two after they've been posted on ebay - you'll have to keep a close eye on his ebay shop at http://myworld.ebay.com/amedeo.m/
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std
Joined: 09 Feb 2010
Posts: 1826
Location: Bulgaria
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| Posted: Wed Nov 24, 2010 8:54 am Post subject: |
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std wrote:
Most probably the lens it will not satisfy you.
And the adapters are not cheap. |
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ludoo
Joined: 18 Sep 2009
Posts: 1397
Location: Milan, Italy
Expire: 2011-12-05
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| Posted: Wed Nov 24, 2010 9:12 am Post subject: |
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ludoo wrote:
This lens has an excellent reputation, and is also very cheap.
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Sevo
Joined: 22 Aug 2008
Posts: 1189
Location: Frankfurt, Germany
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| Posted: Wed Nov 24, 2010 9:57 am Post subject: |
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Sevo wrote:
The Helios is excellent and cheap, but the adapter is complex and correspondingly expensive - there are cheaper ways to achieve effectively the same result.
M42 CZJ Biotar normals go for about 60€ rather than the 20€ for a Helios (which is a Biotar clone). However the Contax adapter is more than a hundred € more expensive than a M42:MFT one - so in total, the adapted Helios runs up to almost twice the price.
And it is hard to spread the expense on the adapter across many lenses, unless you specialize in Contax/Kiev/Nikon RF collecting. There are few additional focal lengths suitable for adaptation, as the wides can't be adapted for technical reasons, and many of the longer lenses are high-price collectors items that fetch three to five times the price of the same optical module in a SLR mount (there is no desirable long RF Nikkor that was not also made in F mount).
Sevo
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Sevo
Last edited by Sevo on Wed Nov 24, 2010 10:00 am; edited 1 time in total |
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ludoo
Joined: 18 Sep 2009
Posts: 1397
Location: Milan, Italy
Expire: 2011-12-05
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| Posted: Wed Nov 24, 2010 9:58 am Post subject: |
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ludoo wrote:
I get your point, and it makes sense.
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Digital: Samsung EX-1
Past Digital: Samsung NX10, Sigma SD9, Sigma SD10, SD14, DP2, Pentax *istD, Kx, Fuji S2 Pro, Canon 5D
Analog: packfilm Polaroids, 6x9 Kodak folders, Pentacon Taxona half-frame, Fujica ST605n, Walz Envoy, Olympus 35 S-II, Olympus Wide S
Past Analog: Polaroid 600se, Polaroid 110B, Canon IIF, various fixed-lens and Russian rangefinders, ...
Past Lenses: Nikkor 24/2.8, Nikkor SC 50/1.4, Nikkor 50/2, Nikkor H 85/1.8, Nikkor P 105/2.5, Nikkor Q 135/3.5, Fujinon 100/2.8, Fujinon EBC 100/2.8, Fujinon EBC 135/3.5, Fujinon EBC 200/4.5, Mamiya SX 135/2.8, CZJ Flektogon 35/2.4, CZJ Pancolar 50/1.8 zebra, CZJ Sonnar 135/3.5, ...
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stingOM
Joined: 27 Sep 2007
Posts: 3168
Location: Ireland
Expire: 2012-12-27
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| Posted: Wed Nov 24, 2010 5:43 pm Post subject: |
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stingOM wrote:
Thanks. What is the reason for not being able to achieve infinity focus with this adapter for FL of 50mm or less? |
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Sevo
Joined: 22 Aug 2008
Posts: 1189
Location: Frankfurt, Germany
Expire: 2012-12-03
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| Posted: Wed Nov 24, 2010 6:07 pm Post subject: |
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Sevo wrote:
| stingOM wrote: |
Thanks. What is the reason for not being able to achieve infinity focus with this adapter for FL of 50mm or less? |
The Roxsen adapter is a outer bayonet only adapter. That is, it cannot focus 50mm lenses at all (with the notable exception of the Kiev 5 normals), as regular Contax mount normals have no focusing helicoid. They attach to the inner bayonet and are focused using the camera integral helicoid.
Wide lenses use the outer bayonet, but cannot be used with MFT, as they are both too deep for digital and too wide for the MFT mount width. I.e. that adapter can only be used with long lenses - which Contax, Kiev and Nikon made in 85 and 135mm. Plus a Nikkor 105mm, a few third-party Japanese 105 and 135's, and a variety of original and third party mirror box teles beyond 135mm, if you dare to enter the less useful and more collectible terrain.
As I said: Wait until Amadeo has one on sale again - he currently is the only one to make a direct Contax/MFT adapter capable of focusing the normals.
Sevo
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stingOM
Joined: 27 Sep 2007
Posts: 3168
Location: Ireland
Expire: 2012-12-27
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| Posted: Wed Nov 24, 2010 9:50 pm Post subject: |
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stingOM wrote:
| Sevo wrote: |
| stingOM wrote: |
Thanks. What is the reason for not being able to achieve infinity focus with this adapter for FL of 50mm or less? |
The Roxsen adapter is a outer bayonet only adapter. That is, it cannot focus 50mm lenses at all (with the notable exception of the Kiev 5 normals), as regular Contax mount normals have no focusing helicoid. They attach to the inner bayonet and are focused using the camera integral helicoid.
Wide lenses use the outer bayonet, but cannot be used with MFT, as they are both too deep for digital and too wide for the MFT mount width. I.e. that adapter can only be used with long lenses - which Contax, Kiev and Nikon made in 85 and 135mm. Plus a Nikkor 105mm, a few third-party Japanese 105 and 135's, and a variety of original and third party mirror box teles beyond 135mm, if you dare to enter the less useful and more collectible terrain.
As I said: Wait until Amadeo has one on sale again - he currently is the only one to make a direct Contax/MFT adapter capable of focusing the normals.
Sevo |
Thanks for the cludo Sevo. I had no idea about that until now!! |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Nov 24, 2010 10:06 pm Post subject: |
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Attila wrote:
Sevo is living lexicon ! Many thanks to share your knowledge here!
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