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Nisseliten
Joined: 26 May 2012
Posts: 332
Location: Sweden
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 Posted: Tue Sep 11, 2012 11:23 am Post subject: removing fixed lenses from cameras |
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Nisseliten wrote:
I am aware this is sacrilege, ethically wrong and generally not a good idea, but I have alot of nice old fixed lens cameras and rangefinders that are broken in one way or the other. I have no intention of destroying them, I'm just wondering if anyone has any experience in non-destructively removing fixed lenses from cameras, preferably reversible and adapting them to say micro 4/3's. It varies from camera to camera i am sure, but any general advice would be appreciated.
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DSLR: Canon 550D, Panasonic DMC-GF3
SLR: Leica R3mot electronic, Leica R4s, Leica R4mot electronic. and more.
Medium Format: Many.
Lenses
Leica: 19/2.8, 35/2, 35/2.8x2, 50/2, 60/2.8 macro, 90/2, 90/2.8, 180/3.4, 250/4, 500/8 T-Noflexar 400/5.6
Other: When will it end?!
Canon: 50/1.8, 70-200 f4 IS
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kansalliskala
Joined: 19 Jul 2007
Posts: 5044
Location: Southern Finland countryside
Expire: 2016-12-30
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| Posted: Tue Sep 11, 2012 2:20 pm Post subject: |
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kansalliskala wrote:
Most fixed-lens 35mm cameras have very short registration legth?
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AF: Canon, Tokina, Sigma Video: JVC GZ-MG275E |
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Nisseliten
Joined: 26 May 2012
Posts: 332
Location: Sweden
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| Posted: Tue Sep 11, 2012 2:25 pm Post subject: |
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Nisseliten wrote:
Too short even for M4/3?
_________________
DSLR: Canon 550D, Panasonic DMC-GF3
SLR: Leica R3mot electronic, Leica R4s, Leica R4mot electronic. and more.
Medium Format: Many.
Lenses
Leica: 19/2.8, 35/2, 35/2.8x2, 50/2, 60/2.8 macro, 90/2, 90/2.8, 180/3.4, 250/4, 500/8 T-Noflexar 400/5.6
Other: When will it end?!
Canon: 50/1.8, 70-200 f4 IS
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Tue Sep 11, 2012 2:43 pm Post subject: |
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luisalegria wrote:
Old folders are very easy.
There is usually just a retaining ring that can be unscrewed from the back of the front standard.
This is true even of most of the 35mm folders, like Retinas.
Most old rangefinders are the same, with just a retaining ring to unscrew. However, because of the lack
of working room it is often quite difficult to do. I usually have to make a tool to do it, and I don't always succeed.
This will get you the lens and shutter only.
If you want the focus helical too, thats more complex.
In general though most of whats wrong in an old rangefinder is probably the shutter or diaphragm, and if you cant fix them in the original camera you cant fix it off the camera, and you will need to, at least to get it working. The shutter needs to work in "T" at least.
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I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue Sep 11, 2012 4:35 pm Post subject: |
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Attila wrote:
Lot of hassle for so so result, even if images are good enough or excellent, most people never try canibalized lenses more than 2x.
You need to solve register distance, focusing , aperture issues. Simple not worth it, friend of mine Charles who is a repair man and very much interest to try new things did give up.
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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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calvin83
Joined: 12 Apr 2009
Posts: 7584
Location: Hong Kong
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| Posted: Wed Sep 12, 2012 3:16 am Post subject: |
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calvin83 wrote:
Many people in China do convert the lens in RF camera for use in m4/3 and NEX cameras but they do it in a destructive way.
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The best lens is the one you have with you.
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Nisseliten
Joined: 26 May 2012
Posts: 332
Location: Sweden
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| Posted: Wed Sep 12, 2012 5:46 am Post subject: |
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Nisseliten wrote:
I guess it was a fools errand then, too bad.. Alot of fine glass that goes to waste. Thanks for all your inputs!
_________________
DSLR: Canon 550D, Panasonic DMC-GF3
SLR: Leica R3mot electronic, Leica R4s, Leica R4mot electronic. and more.
Medium Format: Many.
Lenses
Leica: 19/2.8, 35/2, 35/2.8x2, 50/2, 60/2.8 macro, 90/2, 90/2.8, 180/3.4, 250/4, 500/8 T-Noflexar 400/5.6
Other: When will it end?!
Canon: 50/1.8, 70-200 f4 IS
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Oreste
Joined: 08 Sep 2012
Posts: 451
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| Posted: Wed Sep 12, 2012 1:55 pm Post subject: |
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Oreste wrote:
| Nisseliten wrote: |
| I guess it was a fools errand then, too bad.. Alot of fine glass that goes to waste. Thanks for all your inputs! |
I agree. There are more profitable ways to spend time. |
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Wed Sep 12, 2012 2:58 pm Post subject: |
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luisalegria wrote:
Most of the lenses one would find on the best fixed-lens rangefinders are f/1.7-f/2 6-element gauss types.
There are plenty SLR lenses like this around, and they are almost all very cheap and on average just as good if not better.
The advantage of a rangefinder camera vs SLR is not the lens.
There are a few exceptions like the f/1.4 Yashinon on the Lynx Ic, but even there its not clear to me that this lens is better than most f/1.4 SLR lenses. I don't see it in the results on film. Its a good lens, but not better than a Super Takumar.
The advantage of the Lynx for low light is not just the lens aperture but the leaf shutter (low vibration) and rangefinder focus.
_________________
I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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Braddanman
Joined: 13 Aug 2012
Posts: 94
Location: UK
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| Posted: Wed Sep 12, 2012 5:29 pm Post subject: |
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Braddanman wrote:
If you're still interested have a look at this series of photos on flickr.
http://www.flickr.com/photos/xy9z/4511879003/in/set-72157623833920480/ |
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Nisseliten
Joined: 26 May 2012
Posts: 332
Location: Sweden
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| Posted: Thu Sep 13, 2012 7:32 am Post subject: |
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Nisseliten wrote:
That's very interesting, altho with my technical savvy I would loose patience and turn the pliers on it halfway thru, avoiding that I would never get it back together again even if I wanted to, making it rather destructive 
_________________
DSLR: Canon 550D, Panasonic DMC-GF3
SLR: Leica R3mot electronic, Leica R4s, Leica R4mot electronic. and more.
Medium Format: Many.
Lenses
Leica: 19/2.8, 35/2, 35/2.8x2, 50/2, 60/2.8 macro, 90/2, 90/2.8, 180/3.4, 250/4, 500/8 T-Noflexar 400/5.6
Other: When will it end?!
Canon: 50/1.8, 70-200 f4 IS
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