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vr777
Joined: 27 Oct 2015
Posts: 18
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 Posted: Mon Apr 11, 2016 2:49 pm Post subject: Black Zeiss Jena Biotar T 1:2 5,8cm - Exakta - 17 blades |
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vr777 wrote:
What do you think about this lens? I've read about it and all the reviews say it's very sharp wide open. It's better or equal in sharpness than canon 50 1.8 stm and canon 50 1.4 nfd? I found one, 100 dollars, but it have scratches,fungus and cleaning marks, does it worth it?
Thank you very much! |
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Lightshow
Joined: 04 Nov 2011
Posts: 3666
Location: Calgary
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| Posted: Mon Apr 11, 2016 3:05 pm Post subject: |
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Lightshow wrote:
I would pass on this one, looks beyond help, you might be able to dismantle and Clean-Lube-Adjust (CLA) it, but I have my doubts it will ever be as good as I would want it, the foggy elements look bad.
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vr777
Joined: 27 Oct 2015
Posts: 18
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| Posted: Mon Apr 11, 2016 3:50 pm Post subject: |
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vr777 wrote:
| Lightshow wrote: |
| I would pass on this one, looks beyond help, you might be able to dismantle and Clean-Lube-Adjust (CLA) it, but I have my doubts it will ever be as good as I would want it, the foggy elements look bad. |
CLA would not be a problem, but i'm afraid that the lens will not be sharp or have good contrast... |
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Jiaming
Joined: 09 Mar 2016
Posts: 106
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| Posted: Mon Apr 11, 2016 6:13 pm Post subject: |
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Jiaming wrote:
I don't think it matters too much which is sharper than which, unless you intend to make really big prints. Most 50mm vintages are sufficiently sharp. The price looks great, but this condition really worries me. Not sure how good it can be after CLA, but there is possibility that it won't fully recover, and deteriorate the sharpness and contrast. I would suggest that you have a little bit more patience and do more search on the bay. |
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Marek
Joined: 13 Apr 2014
Posts: 903
Location: In the heart of Europe
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| Posted: Mon Apr 11, 2016 6:33 pm Post subject: |
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Marek wrote:
Pass this one
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Mon Apr 11, 2016 7:39 pm Post subject: |
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luisalegria wrote:
Biotars like this are mostly for collectors.
The price is high for what you get.
Much cheaper normal lenses can give better sharpness wide open.
The bokeh is interesting for the Biotar, but you can get very similar with most other lenses going for $20.
Cheaper lenses of similar specification that are exceptionally good -
Super or S-M-C Takumar 55/1.8 or 55/2
Pentax-M 50/1.7
Auto Mamiya/Sekor 50/2 - get the silver nose - quite lovely really
Ricoh Rikenon 50/2 - many seen as Sears - plastic fantastic but very sharp
Meyer Oreston 50/1.8
Zeiss Pancolar 50/2 - often quite cheap in Exakta mount. For some reason the M42 ones are expensive.
And of course many people like the Helios 44, which is a Biotar copy and has the same bokeh, but not the same construction quality usually.
etc. Most 50mm-55mm f/1.7- f/2 kit lenses of the 1950s-1980s were excellent.
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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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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Mon Apr 11, 2016 7:45 pm Post subject: |
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luisalegria wrote:
Also a real bargain these days are the Sears 55/1.4
Usually available for around $50.
And the Nikkor-S 50.1.4 which can be found for just a bit more.
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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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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Mon Apr 11, 2016 8:10 pm Post subject: |
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luisalegria wrote:
And your Canon lenses mentioned should be as good or better than the Biotar in almost every way.
Bokeh, maybe not, if you are looking for swirlies.
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vr777
Joined: 27 Oct 2015
Posts: 18
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| Posted: Mon Apr 11, 2016 10:50 pm Post subject: |
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vr777 wrote:
| Jiaming wrote: |
| I don't think it matters too much which is sharper than which, unless you intend to make really big prints. Most 50mm vintages are sufficiently sharp. The price looks great, but this condition really worries me. Not sure how good it can be after CLA, but there is possibility that it won't fully recover, and deteriorate the sharpness and contrast. I would suggest that you have a little bit more patience and do more search on the bay. |
I'll search more! Thank you!
| Marek wrote: |
| Pass this one |
I'll do! Thanks!
| luisalegria wrote: |
And your Canon lenses mentioned should be as good or better than the Biotar in almost every way.
Bokeh, maybe not, if you are looking for swirlies. |
Thank you very much for the information and the list with good lenses! |
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Marek
Joined: 13 Apr 2014
Posts: 903
Location: In the heart of Europe
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| Posted: Mon Apr 11, 2016 11:30 pm Post subject: |
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Marek wrote:
If you're into solid fast +/- 50mm, I may offer you
• Revuenon 50 1.9
• Carenar 50 1.8
• Pentacon 50 1.8
• Tessar 50 2.8 "Fat" silver
up to $50 or less, and
• Revuenon 55 1.7
• Tessar 50 "Slim" silver
around $75
All fully working, all M42
May have some mistakes in f values, as I didnt check the lenses now
Feel free to PM me
As for "your" Biotar, fungus definitely doesnt mean the end of the world but this one is just big fat and possibly eating the layers, aint sure what it is for sure but met this one with pretty similar structure (maps) earlier and this is rather dangerous type (form) or just on a "highly developed level" 
Marek
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jamaeolus
Joined: 19 Mar 2014
Posts: 2971
Location: Eugene
Expire: 2015-08-20
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| Posted: Tue Apr 12, 2016 12:45 am Post subject: |
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jamaeolus wrote:
Get the helios copy if you want biotar like performance. Really cheap now, another option: I have been getting Konica 57 1.4 in the 40-50 dollar range. That is if you are shooting on a short flange mirrorless camera.
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calvin83
Joined: 12 Apr 2009
Posts: 7581
Location: Hong Kong
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| Posted: Tue Apr 12, 2016 3:04 am Post subject: |
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calvin83 wrote:
A cheap Helios-44-2 will do the job if you want a lens which perform similarly to the Biotar.
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Pancolart
Joined: 04 Feb 2008
Posts: 3705
Location: Slovenia, EU
Expire: 2013-11-18
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| Posted: Tue Apr 12, 2016 6:58 am Post subject: |
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Pancolart wrote:
Can you pass this 100$ offer to me then  ? From what i can see it is in splendid shape. Light edge fungus really
doesn't matter.
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scsambrook
Joined: 29 Mar 2009
Posts: 2167
Location: Glasgow Scotland
Expire: 2011-11-18
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| Posted: Tue Apr 12, 2016 10:52 am Post subject: |
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scsambrook wrote:
Did Zeiss use those x-headed screws back when they were making these Biotars? (see pic #2 above)
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Stephen
Equipment: Pentax DSLR for casual shooting, Lumix G1 and Fuji XE-1 for playing with old lenses, and Leica M8 because I still like the optical rangefinder system. |
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calvin83
Joined: 12 Apr 2009
Posts: 7581
Location: Hong Kong
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| Posted: Tue Apr 12, 2016 11:18 am Post subject: |
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calvin83 wrote:
| scsambrook wrote: |
| Did Zeiss use those x-headed screws back when they were making these Biotars? (see pic #2 above) |
The phillips screw is used on the adapter.
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scsambrook
Joined: 29 Mar 2009
Posts: 2167
Location: Glasgow Scotland
Expire: 2011-11-18
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| Posted: Tue Apr 12, 2016 12:48 pm Post subject: |
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scsambrook wrote:
| calvin83 wrote: |
| scsambrook wrote: |
| Did Zeiss use those x-headed screws back when they were making these Biotars? (see pic #2 above) |
The phillips screw is used on the adapter. |
Ahhhh. . . . Thank You!
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Stephen
Equipment: Pentax DSLR for casual shooting, Lumix G1 and Fuji XE-1 for playing with old lenses, and Leica M8 because I still like the optical rangefinder system. |
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