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KarelDH
Joined: 24 Mar 2011
Posts: 169
Location: Belgium
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 Posted: Tue May 03, 2011 2:22 pm Post subject: looking for a human library |
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KarelDH wrote:
I'm looking to buy this lens, but the only thing i know is its an 135mm
anyone any ideas what kind of lens/brand this is ?
I'm new so my knowledge is limited, but one of u might know more ^^
this is the poor picture.
thanks to all. |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue May 03, 2011 4:17 pm Post subject: |
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Attila wrote:
It is looks to me a custom made lens , it is made from a vintage camera lens , perhaps from a folder camera and somebody made a focusing device to it from aluminum in a hardware shop. Usually not worth to take them, just if you are curious and not expensive. I bought a couple of similar one to feed my curiosity none of them was better than an average low prices SLR lens.
_________________
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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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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Tue May 03, 2011 5:45 pm Post subject: |
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luisalegria wrote:
Looks a little like a Schacht, but I believe Attila is correct.
Somebody was copying the style of some late 1950's lens in a machine shop. They made a focusing barrel and SLR mount for some older lens. There are many devices like this.
This one is more nicely made than most though.
One interesting thing would be what lens they used.
There were plenty of large format 135mm lenses from the 1920's-1940's, as 135 was the standard lens for 9x12 films and plates.
Mostly these are triplet or tessar-formula f/4.5 lenses. These are usually fine performers, but you would only want them for the sake of curiosity.
Some are not so common - the Goerz Dagor, Voigtlander Heliar or Schneider Xenon, among other higher quality lenses, were also made in 135mm. There could be (unlikely, but possible) such a gem in that piece.
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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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KarelDH
Joined: 24 Mar 2011
Posts: 169
Location: Belgium
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| Posted: Tue May 03, 2011 10:28 pm Post subject: |
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KarelDH wrote:
hi all
i think i found a lead.
after a few hours of research i found the brand. ( i think)
FOCA
any one know this brand ?
for the intrested:
http://www.foca-collection.fr/pages_accessoires/obj_vis.html |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue May 03, 2011 10:51 pm Post subject: |
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Attila wrote:
These are more like genuine item.
http://www.atlantic-camera.com/photo.php?id=42#
Click here to see on Ebay
Some more info.
http://elekm.net/pages/cameras/spotlight_foca_sportII.htm
http://en.wikipedia.org/wiki/Foca_camera
_________________
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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
Last edited by Attila on Tue May 03, 2011 11:01 pm; edited 1 time in total |
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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 May 03, 2011 10:52 pm Post subject: |
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luisalegria wrote:
Wow ! You did find it !
That is good Internet searching !
No, I don't know that make. You found something very new to me, at least. I don't know anything about French cameras.
It seems likely that the screwmount on that may not really be M42, if I am understanding correctly. The Foca screwmount camera was like the screwmount Leica.
http://roland.weber4.free.fr/_app/_app_rideau/images/052-pf3_90029b.jpg
I never realized this make existed. It looks like there were 500,000 or more of these Foca rangefinders made.
_________________
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 May 03, 2011 11:02 pm Post subject: |
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Attila wrote:
Hopefully some of our French member able to tell you more.
_________________
-------------------------------
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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visualopsins
Joined: 05 Mar 2009
Posts: 11011
Location: California
Expire: 2025-04-11
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| Posted: Tue May 03, 2011 11:08 pm Post subject: |
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visualopsins wrote:
from Lens Collector's Vade Mecum:
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Foca (Optique et Precision Levallois), Levallois, Paris, France.
They were advanced engineers in several fields, and produced a Camera Gun as early as 1923, with a
Precioptic f5.0/170mm. They may also have been involved with an anamorphic unit listed alsewhere. Later
they developed what they are best known for: the Foca 35mm and Focaflex SLR. The Foca was produced
quickly after the War and had an innovative viewfinder rangefinder system (B.J.A. 1949, p165). The first were
available at least by early 1946 (P-F-11 model) and a new model for 1947 was speeded to 1/1000 sec and had
a coated f1.9 lens. (S= screw mount, B= bayonet).
for Foca rangefinder:
Microfoca reflex housing with choice of lenses including:
Teleoplar 200mm; Macroplar 200mm; Macroplar 105mm and a special very high definition Macroplar
50mm lens. There was also a 'curious' Macrorep lenshead giving 2 foci of 50 and 105mm depending how it
was mounted. |
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☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX-A ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (151B), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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DSG
Joined: 04 Mar 2007
Posts: 544
Location: London, UK.
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| Posted: Wed May 04, 2011 11:18 am Post subject: |
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DSG wrote:
Well Foca me, you learn something everyday  |
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Olivier
Joined: 18 Feb 2009
Posts: 5080
Location: France
Expire: 2015-08-06
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| Posted: Wed May 04, 2011 9:55 pm Post subject: |
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Olivier wrote:
Hi KarelDH.
Bonjour, cher ami belge. 
Here is a link towards some informations about foca :
http://www.collection-appareils.fr/opl/html/foca_pf2bis.php
enjoy.
These are beautiful lenses.
I don't know wether they're good or not. It's a F4.5 135mm so it is not very luminous.
But I think you don't take many risks with a 135mm.
It seems Foca is also known as "OPL"
Here is a 4.5/135 modified for M42 :
http://www.collection-appareils.fr/objectifs/html/page_objectif.php?id=23
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Olivier - Moderator 
Dslr : Olympus Pen E-P2 - Fujifilm X-Pro2 - Canon 5D MkII.
SLr and MF lenses : for feedback and helping people, cameras and lenses I own : full list here http://forum.mflenses.com/viewtopic,p,1442740.html#1442740 |
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KarelDH
Joined: 24 Mar 2011
Posts: 169
Location: Belgium
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| Posted: Fri May 06, 2011 10:03 am Post subject: |
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KarelDH wrote:
Et bien merci pour l'information.
Thank u, i will read in to this.
I don't live far from the French border, so i might find more of these.
I will keep u up to date.
Karel |
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Olivier
Joined: 18 Feb 2009
Posts: 5080
Location: France
Expire: 2015-08-06
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| Posted: Fri May 06, 2011 8:49 pm Post subject: |
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Olivier wrote:
You're welcome Karel ! 
Near which main town ? Dunkerque, Lille, Valenciennes, Sedan ?
_________________
Olivier - Moderator
Dslr : Olympus Pen E-P2 - Fujifilm X-Pro2 - Canon 5D MkII.
SLr and MF lenses : for feedback and helping people, cameras and lenses I own : full list here http://forum.mflenses.com/viewtopic,p,1442740.html#1442740 |
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KarelDH
Joined: 24 Mar 2011
Posts: 169
Location: Belgium
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| Posted: Fri May 06, 2011 9:08 pm Post subject: |
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KarelDH wrote:
hi,
i live near renaix/Tournai |
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