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a77
Joined: 20 Mar 2012
Posts: 28
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 Posted: Thu Dec 27, 2012 9:42 pm Post subject: Pathe Freres 150mm |
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a77 wrote:
Today I bought a lens from Pathe Freres. It reads on the side
Cinematographe Pathe Freres F = 150mm
and on the lens
OBJEKTIF CINEMA No.44108.
HERMAGIS OPT n B te S.G.D.G. PARIS
In freelens-mode there was no way of getting a focus.
Does anyone know the flange focal distance of this fens?
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Manual focus selection:
Kilfitt Fern-Kilar 5.6/400, Multi-Kilar, Pan-Tele-Kilar 4/300, Meyer Orestor 2.8/135, Isco-Göttingen 2.8/35 Westron and Westromat.
To sell: Steinheil Culminar 4.5/135 M39
Fotos at Flickr: http://www.flickr.com/photos/50653565@N08/ |
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Fri Dec 28, 2012 1:51 am Post subject: |
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Attila wrote:
gather some toilette paper roller and start to make tube  hold lens and tube before a digital camera with live view you fill find it, or just simple use rollers plus a matte plate
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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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ManuallyYours
Joined: 21 Jun 2012
Posts: 35
Location: Lyon, FRANCE
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| Posted: Sun Dec 30, 2012 2:00 pm Post subject: |
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ManuallyYours wrote:
Could we get some pics taken with it ?
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a77
Joined: 20 Mar 2012
Posts: 28
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| Posted: Thu Jan 03, 2013 11:53 pm Post subject: |
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a77 wrote:
Thank you for the answer!
The diameter is 58, length 85, lens diameter about 42. The lens is probably from a 35mm film projector, type Pertzval.
The Problem seems to be that the biconvex lens is missing. With only the front lens the flange focal distance is about 240mm.
I learned an easy way to find it out: direct the lens toward a point-light, hold a dark paper behind it and change the distance until the light is the smallest, thats the focus.
If I use only the cemented element I have a 300mm lens and freelensing I get mush, sorry for that. In the last 2 pictures one can sense, the sensor only catches a small part of the image circle.
_________________
Manual focus selection:
Kilfitt Fern-Kilar 5.6/400, Multi-Kilar, Pan-Tele-Kilar 4/300, Meyer Orestor 2.8/135, Isco-Göttingen 2.8/35 Westron and Westromat.
To sell: Steinheil Culminar 4.5/135 M39
Fotos at Flickr: http://www.flickr.com/photos/50653565@N08/ |
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ManuallyYours
Joined: 21 Jun 2012
Posts: 35
Location: Lyon, FRANCE
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| Posted: Wed Jan 23, 2013 12:27 pm Post subject: |
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ManuallyYours wrote:
Maybe you can try to adapt it, on the helicoidal focusing system. You can find this solution on Ebay for few bucks....
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Jan 23, 2013 8:06 pm Post subject: |
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Attila wrote:
Pathe is one of the most famous cine projector maker, before you make any damage to feed your curiosity , try to sell it for good money and buy something else more useful item.
_________________
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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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ManuallyYours
Joined: 21 Jun 2012
Posts: 35
Location: Lyon, FRANCE
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| Posted: Sat Jan 26, 2013 9:52 am Post subject: |
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ManuallyYours wrote:
I disagree with you Attila.
I understand your point of view about the risk to destroy something that wasn't design to be use at first for pics shooting, but I use in a large majority lenses that are not made for photography (cine lenses, xray system, production lines scans), and I learned to use them by disassembling to clean up or to adapt these lenses.
I prefer to try to adapt something than just selling this away.
That's a real pleasure, when you can take some "clean" shoots with a lens you give a second new life.
But, yes Attila, there is always a risk about damaging the lens.... That's the deal....
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