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luisalegria
Joined: 07 Mar 2008
Posts: 6627
Location: San Francisco, USA
Expire: 2018-01-18
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 Posted: Tue Jun 03, 2008 6:59 am Post subject: Bausch&Lomb Planatograph 6 1/2" f/8 - a 100-year ol |
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luisalegria wrote:
I picked up this lens a few months ago as a curiosity. I believe it came off a Rochester Camera Co. 4x5 plate camera, made sometime between 1893 and 1902.
It is in a Unicum pneumatic shutter, which still seems accurate. I have taken pictures using this shutter on the DSLR (with the DSLR shutter set on a long exposure) and the 1/100 and 1/25 speeds seem to be spot on vs the DSLR shutter. Thats a testimony to 1890's materials and engineering !
Sadly, though the shutter is good, the lens is pretty awful. I am easy to please with respect to lenses, but this one is just not sharp in any conventional meaning of the word. Now, back in 1900, on the 4x5 contact prints this was designed for, perhaps this was not apparent, but on a DSLR it is noticable even on web-sized images. I am disappointed, as the appearance of the lens on the bellows is very striking. I would say that this lens is just barely usable on the DSLR.
Samples - pretty much every aperture from f/8 to f/45-ish. This thing goes to f/128 ! Maybe its sharp at f/64 ?
The bird -
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Orio
Joined: 24 Feb 2007
Posts: 29545
Location: West Emilia
Expire: 2012-12-04
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| Posted: Tue Jun 03, 2008 7:36 am Post subject: |
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Orio wrote:
You say it isn't sharp... ok, I should not judge from resizes, but I think it can be said that it musn't be all that bad, after all. A really blurry lens makes images that look blurred even when resized.
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poilu
Joined: 26 Aug 2007
Posts: 10471
Location: Greece
Expire: 2019-08-29
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| Posted: Tue Jun 03, 2008 7:47 am Post subject: |
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poilu wrote:
the #4 shot didn't produce nice bokeh
but you make such nice pics Luis that the lens never matter with you 
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emi007
Joined: 16 May 2008
Posts: 90
Location: GUANGZHOU CHINA
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| Posted: Tue Jun 03, 2008 8:51 am Post subject: |
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emi007 wrote:
Splendid! luisalegria,you use the old lens to be flavor very much |
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Nesster
Joined: 24 Apr 2008
Posts: 5883
Location: NJ, USA
Expire: 2014-02-20
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| Posted: Tue Jun 03, 2008 10:31 am Post subject: |
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Nesster wrote:
That is a GORGEOUS lens, I'm in love...
The photos look good to me - these aren't modern lenses scaled for the miniature size negative, after all, so it's no surprise they can't match a modern lens for sharpness. LOL had they even invented electronics by then? much less a digital camera. I wonder if anyone thought their lens would still be in use now, and in what way...
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Tue Jun 03, 2008 11:26 am Post subject: |
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Attila wrote:
I can't find right words... Beautiful, amazing job. I never ever beleived this old lenses can produce this quality. Many thanks !
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yalcinaydin
Joined: 20 May 2008
Posts: 825
Location: Izmir, Turkey
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| Posted: Tue Jun 03, 2008 12:19 pm Post subject: |
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yalcinaydin wrote:
I'm using their ultra compact soft torik lenses on my eyes and I'm very happy with them 
I didn't know that they were producing camera lenses and yes the images are great if we consider the age of the lens.
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Last edited by yalcinaydin on Tue Jun 03, 2008 1:03 pm; edited 1 time in total |
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LucisPictor
Joined: 26 Feb 2007
Posts: 17633
Location: Oberhessen, Germany / Maidstone ('95-'96)
Expire: 2013-12-03
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| Posted: Tue Jun 03, 2008 12:22 pm Post subject: |
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LucisPictor wrote:
This lens looks great! And you got impressive results!
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Helios
Joined: 05 Jan 2008
Posts: 537
Location: East of France
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| Posted: Tue Jun 03, 2008 6:57 pm Post subject: |
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Helios wrote:
Luis , fantastic lens ! I have no equivalent to oppose ! The challenge is open !
I suggested a sticky topic on old glasses "frankensteinized" on dslr bodies , and a permanent gallery with the obtained pics ... |
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nemesis101
Joined: 25 Mar 2008
Posts: 2050
Location: Oregon USA
Expire: 2015-01-22
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| Posted: Tue Jun 03, 2008 9:35 pm Post subject: Good grief. |
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nemesis101 wrote:
That thing looks like the lovechild of Star Wars meets Jules Verne... The photo's however seem sharp to me? Is it my eyes or am I just happy I can see at all these days?
Wonderful contraption - now I'll have to see what I can cram onto the front of my K10D (or Lumix L-1)
Let battle be joined! 
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