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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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 Posted: Fri Jun 25, 2010 2:05 pm Post subject: Welta Belfoca II 6x9 Bonotar 105mm |
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Attila wrote:
Any experience ?
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Katastrofo
Joined: 26 Feb 2007
Posts: 10405
Location: USA
Expire: 2013-11-19
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| Posted: Fri Jun 25, 2010 11:29 pm Post subject: |
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Katastrofo wrote:
Hi, have you been helped, yet? 'Aven't the fookinest idear what a Welta
Belfoca II 6x9 Bonatar 105mm is, but just looking at the name it looks like
they've improved focus on this 2nd version to where it's beautiful, and the
lens looks like it might be of the Tessar tribe. 
But then again, what's in a name... 
Hopefully somebody will have a collection of these to where we can see
pix. |
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Sat Jun 26, 2010 1:22 am Post subject: |
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luisalegria wrote:
Looks like this ?
http://new.sy916.net/details.php?image_id=27852
I think its a post-war GDR model made in the 1950's
Also, the Bonotar is a triplet.
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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: Sat Jun 26, 2010 8:09 am Post subject: |
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Attila wrote:
Shutter looks different, this is mine.
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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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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue Jun 29, 2010 8:32 pm Post subject: |
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Attila wrote:
http://forum.mflenses.com/viewtopic,p,1045704.html#1045704
Today I get it, mechanically very well built I like it very much. Owner did keep in big respect looks like New  Lenses have a bit haze , better to clean it, but shutter works at every speed this is a big surprise.
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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: Wed Jun 30, 2010 1:39 am Post subject: |
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luisalegria wrote:
Good !
The biggest worry is the shutter.
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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: Wed Jun 30, 2010 11:42 am Post subject: |
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Attila wrote:
| luisalegria wrote: |
Good !
The biggest worry is the shutter. |
yes, on most camera not works or not works well.
_________________
-------------------------------
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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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Sat Jul 03, 2010 10:14 pm Post subject: |
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Attila wrote:
I did measure today pretty accurate.
| Code: |
1 1/2 1/5 1/10 1/25 1/50 1/100 1/250
1,1 0,4585 0,1422 0,087 0,0494 0,0203 0,0108 0,0043
0,9090 2,1810 7,0313 11,4942 20,22 49,21 91,87 229,67
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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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