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calvin83
Joined: 12 Apr 2009
Posts: 5698
Location: Hong Kong
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 Posted: Thu Mar 10, 2011 5:16 am Post subject: Guide on adjusting the tightness of bayonet type adaptor |
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calvin83 wrote:
Some cheap and expensive bayonet adaptor from China will need an adjustment. If your adaptor cannot lock the lens well, you may try the following.
1. Prepare a flat tip screw driver and an adapor. I use a OM to EOS adapotor here. You will need to adjust three places marked with red arrows.
2. Insert the screw driver to the small gap as shown below. Rotate the screw driver. Repeat this to other locking mechanism.
3. Test the adaptor with your lens. Repeat the above step if nessary.
4. Done. Enjoy your adaptor.
_________________
My Flickr on street photography
List of Rodenstock Interchangeable Lenses for 35mm cameras with Serial Numbers
The best lens is the one you have with you. Life is too short to let us try every lens!
M42: CZJ Tessar 4.5/4cm, CZ Ultron 1.8/50, Fuji EBC 50/1.4, Tomioka 1.2/55 & 2.8/60, Enna 2.8/90 and more
Exakta: Angenieux 2.5/35 R1 & 2.5/90 Y12, Quinaron 2.8/35, Quinar 3.5/100, Tele-Quinar 2.8/135, RE. Auto-Topcor 4/20, 1.8/58, 1.8/85 ...
Retina S/DKL: Eurygon 2.8/30 and 4/35, Quinon 1.9/50, Heligon 1.9/50, Ysarex 2.8/50, Rotelar 4/85 and 4/135 ...
Enlargers:Hexar 3.5/75, Meopta 4.5/135, Helioplan 4,5/135, Travegar 3.5/105, Trylor 135mm F4.5 and more
RF: CZ Sonnar T 50/1.5, Jupiter 8 red p 2/50 LTM, Jupiter 9 Zorki 1951 LTM, Canon 50/1.5
MC/MD: Minolta MD 35/1.8, 200/2.8, Komura 2.5/35, Vivitar 90/2.5
FD: Komura 4/24, Vivitar 2.3/135, Canon 2.8/24 S.S.C & 4/200 Macro
Others: Agfa 90/3.4, Prakticar 1.8/80, Rollei HFT 2.8/135, Ross 3.5/75, KMZ PO3-3M 2/50, Zeika 25/0.95 and Sun 75mm F1.9, Kern 1.8/50 and much more ...
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rawhead
Joined: 09 Feb 2009
Posts: 1525
Location: Boston, MA
Expire: 2014-04-29
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| Posted: Thu Mar 10, 2011 7:02 pm Post subject: |
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rawhead wrote:
Possibly the best piece of camera-related advice I've seen on the web! 
_________________
Sony α7R, Pentax 67II, Kiev-60, Hasselblad 203FE, 903SWC, Graflex Norita 66, Mamiya M645 1000s, Burke & James 8x10, Graflex Pacemaker Speed Graphic (4x5 and 3x4), Century Graphic (2x3), R.B. Graflex Seried D, Rolleiflex SL66E, Rolleiflex 2.8C Xenotar, Mamiya C330f, a few M42, six P6, three OM, four Hasselblad, two Pentax 67, two Mamiya 645, one Noritar, and a sprinkle of EF. Oh, and an Aero Ektar and Leica Noctilux |
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calvin83
Joined: 12 Apr 2009
Posts: 5698
Location: Hong Kong
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| Posted: Fri Mar 11, 2011 4:10 am Post subject: |
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calvin83 wrote:
| rawhead wrote: |
| Possibly the best piece of camera-related advice I've seen on the web! |
_________________
My Flickr on street photography
List of Rodenstock Interchangeable Lenses for 35mm cameras with Serial Numbers
The best lens is the one you have with you. Life is too short to let us try every lens!
M42: CZJ Tessar 4.5/4cm, CZ Ultron 1.8/50, Fuji EBC 50/1.4, Tomioka 1.2/55 & 2.8/60, Enna 2.8/90 and more
Exakta: Angenieux 2.5/35 R1 & 2.5/90 Y12, Quinaron 2.8/35, Quinar 3.5/100, Tele-Quinar 2.8/135, RE. Auto-Topcor 4/20, 1.8/58, 1.8/85 ...
Retina S/DKL: Eurygon 2.8/30 and 4/35, Quinon 1.9/50, Heligon 1.9/50, Ysarex 2.8/50, Rotelar 4/85 and 4/135 ...
Enlargers:Hexar 3.5/75, Meopta 4.5/135, Helioplan 4,5/135, Travegar 3.5/105, Trylor 135mm F4.5 and more
RF: CZ Sonnar T 50/1.5, Jupiter 8 red p 2/50 LTM, Jupiter 9 Zorki 1951 LTM, Canon 50/1.5
MC/MD: Minolta MD 35/1.8, 200/2.8, Komura 2.5/35, Vivitar 90/2.5
FD: Komura 4/24, Vivitar 2.3/135, Canon 2.8/24 S.S.C & 4/200 Macro
Others: Agfa 90/3.4, Prakticar 1.8/80, Rollei HFT 2.8/135, Ross 3.5/75, KMZ PO3-3M 2/50, Zeika 25/0.95 and Sun 75mm F1.9, Kern 1.8/50 and much more ...
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Attila
Joined: 24 Feb 2007
Posts: 58046
Location: Austria,Hungary
Expire: 2016-11-18
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| Posted: Sat Mar 12, 2011 3:02 pm Post subject: |
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Attila wrote:
+1 thank you!
_________________
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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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AhamB
Joined: 22 Jun 2008
Posts: 736
Location: Germany
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| Posted: Wed Mar 16, 2011 9:44 am Post subject: |
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AhamB wrote:
This works as long as you don't mount and unmount lenses on the adapter too often. The more often you change lenses, the less tight the adapter will become again. So it's best to have a dedicated adapter for every lens and not take the adapter off at all. |
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