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Stonefish
Joined: 13 Jan 2008 Posts: 84 Location: Berlin, Germany
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Posted: Sat Mar 15, 2008 1:59 pm Post subject: MTO500(550/8,5) russian mirror lens Adjusting for infinite |
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Stonefish wrote:
Who has experience with the adjustment a MTO500 (550 / 8.5). My new mirror lens does not work in infinite. It's not the reason by adapter. At my Praktica does it also not infinite. I think one with a small screw can be adjusted. Who can help, who has experience?
Thanks!
Imre _________________ DSLR: Olympus E-330, ZD 14-45, Sigma 55-200, SLR: Praktika MTL5B , MF Lenses: All M42 Mount: CZJ Flektogon 2.8/20; CZJ Tessar 50/2,8; Tokina RMC 75-260 1:4,5; Beroflex 28/2,8; MC JUPITER-37 AM; JUPITER-9; Domiplan 2,8/50; Soligor 34-140/3,5 MC Macro; Revuenon 55/1,4; MTO 500A (550/8 LZOS) |
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Farside
Joined: 01 Sep 2007 Posts: 6549 Location: Ireland
Expire: 2013-12-27
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Posted: Sat Mar 15, 2008 3:50 pm Post subject: |
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Farside wrote:
This might help - bottom of the page..
http://www.rugift.com/photocameras/rubinar_lenses_with_various_cameras.htm _________________ Dave - Moderator
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Attila
Joined: 24 Feb 2007 Posts: 57840 Location: Hungary
Expire: 2021-11-18
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Posted: Sat Mar 15, 2008 9:41 pm Post subject: |
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Attila wrote:
It was disassembled and wrongly assembled again I can't explain how you can fix it. _________________ -------------------------------
Items on sale on Ebay
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Stonefish
Joined: 13 Jan 2008 Posts: 84 Location: Berlin, Germany
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Posted: Sat Mar 15, 2008 11:43 pm Post subject: |
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Stonefish wrote:
This here is my lens.
I have the lens only in the last few days. Its not a Rubinar. My lens has 550mm focal.
The lens focuses by movement of front lens with secondary mirror. The front element will not move close enough to the sensor level. I think it was in the past wrong adjusted.
I could make on M42 adapter with the lathe 0,2 mm thinner. But this is not the right solution, also at my Praktica is is not on infinitely sharp.
I appreciate the maximum distance the Focus on 70-80m. The Scala on the lens shows over infinite.
I will experiment a bit. I hope so complicated the lens is not built.
@Farside. Thank you for the link.
Imre _________________ DSLR: Olympus E-330, ZD 14-45, Sigma 55-200, SLR: Praktika MTL5B , MF Lenses: All M42 Mount: CZJ Flektogon 2.8/20; CZJ Tessar 50/2,8; Tokina RMC 75-260 1:4,5; Beroflex 28/2,8; MC JUPITER-37 AM; JUPITER-9; Domiplan 2,8/50; Soligor 34-140/3,5 MC Macro; Revuenon 55/1,4; MTO 500A (550/8 LZOS) |
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Stonefish
Joined: 13 Jan 2008 Posts: 84 Location: Berlin, Germany
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Posted: Tue Mar 18, 2008 4:47 pm Post subject: |
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Stonefish wrote:
I have done it. It was not complicated. First, I have three micro screws on the distance indicating ring loosened (only in the near-position). Then I have to focus turned in direction of infinite.
Because the distance ring stand still at endpoint need something strong over winded. The distance ring remained at infinity, and the secondary mirror unit was screwed into the lens to infinite.
I have slowly turned to sharp point of infinity. After the adjustment I turned back to close position and the three micro screws were tightened again.
Here is the first test shoot.
The distance to dark spruces approximately 800 m.
Imre _________________ DSLR: Olympus E-330, ZD 14-45, Sigma 55-200, SLR: Praktika MTL5B , MF Lenses: All M42 Mount: CZJ Flektogon 2.8/20; CZJ Tessar 50/2,8; Tokina RMC 75-260 1:4,5; Beroflex 28/2,8; MC JUPITER-37 AM; JUPITER-9; Domiplan 2,8/50; Soligor 34-140/3,5 MC Macro; Revuenon 55/1,4; MTO 500A (550/8 LZOS) |
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Richard_D
Joined: 21 Oct 2007 Posts: 2378 Location: Faversham Kent UK
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Posted: Tue Mar 18, 2008 6:00 pm Post subject: |
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Richard_D wrote:
Imre is yours the A mount version or the m39/m42 fixed version? _________________ Richard
The interesting bit:
Nikkors: 20mm f2.8 AIS, 24mm f2.8 AIS, 28mm f2.8 AIS, 35mm f2 AIS, 50mm f1.4 AI, 50mm f1.48AI, 50m f2 AI,
55mm f3.5 AI'd, 105mm f4 AI, 135mm f2.8 AI'd, 135mm f3.5 AI'd, 200mm f4 AI'd .
Nikon E Series: 100mm f2.8 .
Soviet Nikon Mount: Zenitar 16mm f2.8, Arsat/arax/photex 85mm T&S f2.8 .
Other: Asahi Super Takumar 55 mm f2 (M42) ,Tamron 300mm f5.6 SP, Tamron 500mm f8 SP.
DSLR: Nikon D700. 35mm SLRsNikon FE, Pentax S1a.
TLR: Rolliecord II.
Sub-Minature: Pentax Auto 110, 18mm f2.8, 24mm f2.8, 50mm f2.8.
More to come... |
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Stonefish
Joined: 13 Jan 2008 Posts: 84 Location: Berlin, Germany
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Posted: Tue Mar 18, 2008 6:49 pm Post subject: |
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Stonefish wrote:
Re-adjusted/finetuning
Our Moon:
@Richard_D: It has a T2 to M42 Mount.
Imre _________________ DSLR: Olympus E-330, ZD 14-45, Sigma 55-200, SLR: Praktika MTL5B , MF Lenses: All M42 Mount: CZJ Flektogon 2.8/20; CZJ Tessar 50/2,8; Tokina RMC 75-260 1:4,5; Beroflex 28/2,8; MC JUPITER-37 AM; JUPITER-9; Domiplan 2,8/50; Soligor 34-140/3,5 MC Macro; Revuenon 55/1,4; MTO 500A (550/8 LZOS) |
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