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Mos6502
Joined: 20 Jun 2011
Posts: 961
Location: Austin
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 Posted: Sat Sep 01, 2012 2:56 pm Post subject: Cosinon, Carenar, Petri, Rikenon 2.8/55 |
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Mos6502 wrote:
I won another Petri lens on ebay. This time a little less unusual, the 2.8 55mm. A little research seems to indicate that Cosina made this lens and they were sold under a variety of brands, including all of those in the title.
Carenar 55mm f/2.8 by pqhf5kd, on Flickr
Ricoh singlexTLS M42 rikenon 55 f 2,8 by memotron, on Flickr
The Rikenon version actually manages to look a little less cheesey than the rest. So my question is has anybody used this lens? Does anybody know what formula it is? Tessar? Triplet? I should have mine in the mail either this afternoon or on monday. |
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Mos6502
Joined: 20 Jun 2011
Posts: 961
Location: Austin
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| Posted: Sat Sep 01, 2012 8:01 pm Post subject: |
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Mos6502 wrote:
Just got it in today's mail.
Looks like a triplet. Front cell focusing. I suppose it could be a tessar, but I'd assume they provide a normal helical if it was.
Has the same trouble with the aperture as the other petri lens I have. It won't stop down all the way. Even the Zenit I have that can work the other Petri lens won't stop down this one. The aperture pin is really short. I wonder if this was a Petri thing, or if all of these lenses have this fault. |
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mo
Joined: 27 Aug 2009
Posts: 8982
Location: Australia
Expire: 2016-07-30
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| Posted: Tue Nov 27, 2012 3:51 am Post subject: |
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mo wrote:
Did you get this issue worked out? I have this lens the Auto Rikenon 2.8/55.I have not used it a lot so I can not really say about image quality.
_________________
Moira, Moderator 
Fuji XE-1,Pentax K-01,Panasonic G1,Panasonic G5,Pentax MX
Ricoh Singlex TLS,KR-5,KR-5Super,XR-10
Lenses
Auto Rikenon's 55/1.4, 1.8, 2.8... 50/1.7 Takumar 2/58 Preset Takumar 2.8/105 Auto Takumar 2.2/55, 3.5/35 Super Takumar 1.8/55...Macro Takumar F4/50... CZJ Biotar ALU M42 2/58 CZJ Tessar ALU M42 2.8/50
CZJ DDR Flektogon Zebra M42 2.8/35 CZJ Pancolar M42 2/50 CZJ Pancolar Exakta 2/50
Auto Mamiya/Sekor 1.8/55 ...Auto Mamiya/Sekor 2/50 Auto Mamiya/Sekor 2.8/50 Auto Mamiya/Sekor 200/3.5 Tamron SP500/8 Tamron SP350/5.6 Tamron SP90/2.5
Primoplan 1.9/58 Primagon 4.5/35 Telemegor 5.5/150 Angenieux 3.5/28 Angenieux 3,5/135 Y 2
Canon FL 58/1.2,Canon FL85/1.8,Canon FL 100/3.5,Canon SSC 2.8/100 ,Konica AR 100/2.8, Nikkor P 105/2.5
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Mos6502
Joined: 20 Jun 2011
Posts: 961
Location: Austin
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| Posted: Tue Nov 27, 2012 3:54 am Post subject: |
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Mos6502 wrote:
No, I sold it on in a lot of camera junk. Kept the 45mm though. |
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mo
Joined: 27 Aug 2009
Posts: 8982
Location: Australia
Expire: 2016-07-30
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| Posted: Tue Nov 27, 2012 4:03 am Post subject: |
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mo wrote:
 I would keep the 45 as well ! I will have to drag this 2.8/55 lens out and test it...now your thread has prompted me to have a look at it again.
_________________
Moira, Moderator
Fuji XE-1,Pentax K-01,Panasonic G1,Panasonic G5,Pentax MX
Ricoh Singlex TLS,KR-5,KR-5Super,XR-10
Lenses
Auto Rikenon's 55/1.4, 1.8, 2.8... 50/1.7 Takumar 2/58 Preset Takumar 2.8/105 Auto Takumar 2.2/55, 3.5/35 Super Takumar 1.8/55...Macro Takumar F4/50... CZJ Biotar ALU M42 2/58 CZJ Tessar ALU M42 2.8/50
CZJ DDR Flektogon Zebra M42 2.8/35 CZJ Pancolar M42 2/50 CZJ Pancolar Exakta 2/50
Auto Mamiya/Sekor 1.8/55 ...Auto Mamiya/Sekor 2/50 Auto Mamiya/Sekor 2.8/50 Auto Mamiya/Sekor 200/3.5 Tamron SP500/8 Tamron SP350/5.6 Tamron SP90/2.5
Primoplan 1.9/58 Primagon 4.5/35 Telemegor 5.5/150 Angenieux 3.5/28 Angenieux 3,5/135 Y 2
Canon FL 58/1.2,Canon FL85/1.8,Canon FL 100/3.5,Canon SSC 2.8/100 ,Konica AR 100/2.8, Nikkor P 105/2.5
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enliten
Joined: 20 Sep 2011
Posts: 201
Location: Perth, WA
Expire: 2014-07-03
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| Posted: Tue Nov 27, 2012 10:49 am Post subject: |
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enliten wrote:
I have this lens. I was unimpressed, the rendering is ok, if a little flat and it has reasonable contrast. Colour rendering is ok, nothing amazing and it has what I like to call "angry" bokeh.
-Ben
_________________
www.craftedbyben.com
Digital: Canon EOS 7D
Film SLRs: Zenit 122, Nikon F55, Nikon FM2, Pentax Spotmatic, Pentax ME Super, Pentax K1000, Minolta SR1
Rangefinders: Konica Auto S2, Zeiss Ikon Contessa LKE, Zeiss Ikon Continette, Zeiss Ikon Ikonta 521/16, Fed 5B
50's: Super Takumar 50 f1.4, Helios 44-m6,, Minolta MD 50 f1.4, Meyer Optik Oreston 50 f1.8, Olympus 50 f1.4, Industar 55 f2.8 (RF), Jupiter-3 50 f1.5 (RF), Yashinon DS 50 f1.4, Zeiss Jena 50 f2.8, Zeiss Pancolar 50 f1.8
Med Tele: Jupiter-11 135 f4 (RF), Mamiya 120 f4 Macro (645), Meyer Optik Trioplan 100 f2.8, Jupiter-9 85 f2
Tele: Jupiter-21a 200mm f4
Wide: Rikenon 35 2.8, Rikenon 28 f2.8, Minolta MD 28 f2.8, Minolta MD 24 f2.8, Pentacon 30 f3.5, Enna Werk Munchen Lithagon 35 f4.5
Autofocus: Canon 50 1.8, Sigma 50 1.4, Tokina 11-16 2.8
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D1N0
Joined: 07 Aug 2012
Posts: 2502
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| Posted: Wed Apr 01, 2020 10:59 am Post subject: |
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D1N0 wrote:
According to this it has a three group/4 element design. Could be a japanese Tessar. Shame about the long CFD (3 ft)
https://lens-db.com/ricoh-auto-rikenon-55mm-f28/
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pentaxian |
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