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alex ph
 Joined: 16 Mar 2013 Posts: 1693
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Posted: Tue Sep 26, 2023 1:54 am Post subject: Rodenstock Eurygon 2.8/30 M42, an interesting lens |
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alex ph wrote:
Rodenstock Eurygon 2.8/30 is massive and very well machined, besides the fact it sounds like a rare lens. The copy I got in M42 mount equipped with a lateral button, the same as classic Exakta lenses do have. I ignore the origin of such a construction. Was it intended for Edixa cameras?
Put on Sony Nex with a lens booster, the lens slightly vignettes and shows an interesting character, both in colour and bokeh departments. The bokeh is not typical for a wide angle lens and finds itself on the mild'n'bubbles side. Closing the diaphragm does not change it much, as long as the aperture has more than 6 lamels and nearly round hole at any value.
At longer distances the lens wide open shows some glow, closed down one stop it renders shapes in a more usual way, as seen in the difference between #4 and #5.
All the following shots are corrected as per exposure and contrast.
#1 WO, MFD an bokeh
#2 At f4, near infinity
#3 Contarst is pushed further to let a more dramatic sky, shadows still keep a good amount of information
#4 WO, focus on the pigeons
#5 at f4 or f5.6, focus on the pigeons
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calvin83
 Joined: 12 Apr 2009 Posts: 7662 Location: Hong Kong
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Posted: Tue Sep 26, 2023 3:25 am Post subject: |
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calvin83 wrote:
The button is used to for coupling the shutter release of a Edixa Reflex camera. You copy seems to be in better condition than my copy which has some serious separation on one of the middle element! _________________ The best lens is the one you have with you.
https://lensfever.com/
https://www.instagram.com/_lens_fever/ |
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Gatorengineer64
 Joined: 26 Oct 2017 Posts: 284
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Posted: Tue Sep 26, 2023 3:44 am Post subject: |
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Gatorengineer64 wrote:
I have always wondered what is the point of running a full frame lens on a crkp camera when full frame A7s can be had for usd 300? If the lens cant fill a crop frame with quality then its a dog biscuit. _________________ A7R4, GFX50R and a bucket of mflenses |
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Alun Thomas
 Joined: 20 Aug 2018 Posts: 682 Location: New Zealand
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Posted: Tue Sep 26, 2023 7:49 am Post subject: |
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Alun Thomas wrote:
I don't know about this particular lens, but the praktica FX could also be a candidate. On the PAD Isco Westagon and Westanar lenses, the M42 threaded mount could be adjusted slightly to let the lens be used on either camera, as the shutter buttons were in slightly different places. |
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caspert79
 Joined: 31 Oct 2010 Posts: 3336 Location: The Netherlands
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Posted: Tue Sep 26, 2023 8:51 am Post subject: |
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caspert79 wrote:
Nice bokeh of this lens it seems! _________________ For Sale:
Pentax-A 70-210mm f/4
Konica Konishiroku Hexanon 100mm f/2.8
TAIR 3a 300mm f/4.5
Revuenon (Mamiya EF) 28mm f/2.8
Vivitar S1 1:1 adapter for Series 1 90mm f/2.5
ISCO Isconar 100mm f/4 (Exa)
PB for info |
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Pancolart
 Joined: 04 Feb 2008 Posts: 3705 Location: Slovenia, EU
Expire: 2013-11-18
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Posted: Tue Sep 26, 2023 9:12 am Post subject: Re: Rodenstock Eurygon 2.8/30 M42, an interesting lens |
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Pancolart wrote:
alex ph wrote: |
#1 WO, MFD an bokeh
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This looks very promising. Would love to see more. It happened years ago i have already paid for the lens, but seller found it is actually rare and valuable and cancelled the deal . _________________ ---------------------------------
The Peculiar Apparatus Of Victorian Steampunk Photography: 100+ Genuine Steampunk Camera Designs https://www.amazon.com/dp/B0B92829NS |
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alex ph
 Joined: 16 Mar 2013 Posts: 1693
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Posted: Wed Sep 27, 2023 1:25 pm Post subject: |
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alex ph wrote:
Good to know! Edixa or Praktica FX do make sense.
Calvin, I am happy to have a well preserved glass. I read that separation is a common issue in these lenses. Does the one in your copy affects considerably the results? I acknowledge that general light rendering of Eurygon is pretty special and very variable depending the situation. Sometimes it darkens the peripherial part of the shot, in some other cases the shots are overexposed with neutral settings, and one need to set a -0.7 exposure compensation by default. I haven't caught yet the logic of these variations.
Gatorengineer64, the size matters. A Nex with a lens booster remains more compact than a FF Sony body. Besides, when you out a Nex, you do not look as "serious" as with an A7 in your hands, and this helps a bit when you wish to harvest some street shots.
Jorge, Casper, agree for the nice bokeh. Here are some new indoor shots with the lens, always put on Nex with a lens booster.
#1 WO, bokeh
#2 WO SOOC jpeg, foreground bokeh
#3 WO
#4 WO, progressive OOF
#5 WO
#6 WO, no parasite light from artificial sources
#7 WO, some glare from contrast light source (without hood)
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alex ph
 Joined: 16 Mar 2013 Posts: 1693
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Posted: Thu Sep 28, 2023 11:58 am Post subject: |
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alex ph wrote:
And now some daytime outdoors shots, all wide open and slightly tweaked as per exposure and contrast. I find that the unusual light transmission boosts the lens' film feeling.
#1
#2
#3
#4
#5
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calvin83
 Joined: 12 Apr 2009 Posts: 7662 Location: Hong Kong
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Posted: Thu Sep 28, 2023 1:17 pm Post subject: |
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calvin83 wrote:
Quote: |
Calvin, I am happy to have a well preserved glass. I read that separation is a common issue in these lenses. Does the one in your copy affects considerably the results? I acknowledge that general light rendering of Eurygon is pretty special and very variable depending the situation. Sometimes it darkens the peripherial part of the shot, in some other cases the shots are overexposed with neutral settings, and one need to set a -0.7 exposure compensation by default. I haven't caught yet the logic of these variations.
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My M42 copy has series separation which affect the result significantly. And yes, the Eurygon 30/2.8 has it own character which varies a lot depend on the lighting condition. It is good for close-up photos.
For landscape, I will prefer the Eurygon 35/4.0. It is basically a better corrected version of the Eurygon 30/2.8. The contrast of the Eurygon 35 is usually high for a 35mm SLR lens made in the 1950s.
Sample on NEX 5N
May be I will compare both Eurygon on FF in the future. _________________ The best lens is the one you have with you.
https://lensfever.com/
https://www.instagram.com/_lens_fever/ |
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alex ph
 Joined: 16 Mar 2013 Posts: 1693
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Posted: Fri Oct 06, 2023 2:12 am Post subject: |
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alex ph wrote:
Great colours and overall quality from the f4 version. Makes me think about Retina Curtagon. Please count me among persons interested in the comparison between the two Eurygons.
Meanwhile I converted several shots from my f2.8 version into BW and find them even more "filmic" than the coloured originals.
#1
#2
#3
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alex ph
 Joined: 16 Mar 2013 Posts: 1693
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Posted: Sat Oct 14, 2023 3:29 am Post subject: |
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alex ph wrote:
I took some landscape shots at f5.6, something the lens might be intended for. Always put on Nex with a lens booster. So in reality must be smth like 4/32.
#1
#2
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Pancolart
 Joined: 04 Feb 2008 Posts: 3705 Location: Slovenia, EU
Expire: 2013-11-18
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Posted: Sat Oct 14, 2023 8:09 am Post subject: |
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Pancolart wrote:
alex ph wrote: |
#2
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Pretty sure your lens (or booster) has some misalignment. Right side of the photos is always blurry. _________________ ---------------------------------
The Peculiar Apparatus Of Victorian Steampunk Photography: 100+ Genuine Steampunk Camera Designs https://www.amazon.com/dp/B0B92829NS |
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D1N0
 Joined: 07 Aug 2012 Posts: 2558
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Posted: Sat Oct 14, 2023 11:19 am Post subject: |
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D1N0 wrote:
The Bokeh seems typical for a Angenieux Retrofocal design. Reminds me a bit of the Auto-Takumar 35mm 1:2.3 and my version one Super-Takumar 28mm 1:3.5. (The one that takes 58mm filters instead of 49mm). _________________ pentaxian |
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