Author Topic: Rodenstock APO Ronar 150mm f/9  (Read 5130 times)

Gerhard2006

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #15 on: September 19, 2020, 17:28:09 »
If you’re looking for Rodenstock process lenses they also made an Apo Geragon and they were not a four element lens like the Ronar but they were six element lenses and I think they were better corrected and Apo as well. I picked up a 240 F9 version of the lens and it is extremely sharp. They also made a 150 F9 and a 210 F9 I believe as well, all six elements. The sixth element version also had a larger image circle then the four element RONAR.

Gerhard2006

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #16 on: September 19, 2020, 21:05:00 »
Regardless of which lens was used though you’r  photography is always stellar you really raise the bar beyond what most most of us can ever reach thank you for sharing. Gerry

JohnMM

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #17 on: September 19, 2020, 23:32:03 »
Echinacea perhaps?

Maybe. Rudbeckia and Echinacea are sometimes used interchangeably, although with varying degrees of authority. For example a common Rudbeckia cultivar, R. fulgida var. sullivantii 'Goldsturm', which closely resembles the yellow flower in this thread,  is also known as Echinacea 'Yellow Storm'.
John Maud - aka Coreopsis in another place.

dickb

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #18 on: September 20, 2020, 14:16:16 »
If you’re looking for Rodenstock process lenses they also made an Apo Geragon and they were not a four element lens like the Ronar but they were six element lenses and I think they were better corrected and Apo as well. I picked up a 240 F9 version of the lens and it is extremely sharp. They also made a 150 F9 and a 210 F9 I believe as well, all six elements. The sixth element version also had a larger image circle then the four element RONAR.

If you are looking for these 6 element lenses, the exact name is Apo Gerogon. Schneider made similar process lenses named Claron (in C- D- G- and Repro-Claron varieties). And there are the Nikon Apo Nikkor lenses of course, 4 element process lenses like the f/9 180mm up to a massive f/14 1780mm lens.

Michael Erlewine

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #19 on: September 20, 2020, 18:14:44 »
I found and order a copy of the APO Geragon and am anxious to see it perform.

The APO Ronar is not to shabby. Here is one I took a few minutes ago with the Ronar of Tansy.
MichaelErlewine.smugmug.com, Daily Blog at https://www.facebook.com/MichaelErlewine. main site: SpiritGrooves.net, https://www.youtube.com/user/merlewine, Founder: MacroStop.com, All-Music Guide, All-Movie Guide, Classic Posters.com, Matrix Software, DharmaGrooves.com

Seapy

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #20 on: September 22, 2020, 00:42:05 »
Very nice Michael.

My copy arrived today, #3562376.  It appears perfect to me, it's tiny. It is presented in a lovely little box made of Beech with an aperture mask set and a beautiful leather lens cap with gold embossed "G Rodenstock" and their trademark.  Almost too nice to use!

I have removed a soft aluminium collar which had been pushed onto the mount but this has not damaged the mount.

Can anyone tell me what the mount thread is please?  It is 26.38mm or 1.038 of an inch over the threads, the pitch appears to be 0.5mm.  There are only two or three actual threads present, it appears to have been made that way.  The plain unthreaded part of the mount is 20.55mm in diameter. The length of the mount boss is 6.5mm.

Is this a standard mount, if so what is it called, I don't fancy cutting a .5mm pitch thread...
Robert C. P.
South Cumbria, UK

Michael Erlewine

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #21 on: September 22, 2020, 00:58:49 »
Copal #0
MichaelErlewine.smugmug.com, Daily Blog at https://www.facebook.com/MichaelErlewine. main site: SpiritGrooves.net, https://www.youtube.com/user/merlewine, Founder: MacroStop.com, All-Music Guide, All-Movie Guide, Classic Posters.com, Matrix Software, DharmaGrooves.com

Toby

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #22 on: September 22, 2020, 03:21:07 »
Beautiful shots, and seemingly a very capable lens.

Seapy

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #23 on: September 22, 2020, 08:10:31 »
Robert C. P.
South Cumbria, UK

Andrew

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #24 on: September 22, 2020, 12:04:52 »
Quick and dirty...
Z6, PB-6, PN-11 etc. etc, Apo-Geragon 210/9, hand held...



Andrew Iwanowski

Erik Lund

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #25 on: September 22, 2020, 12:33:13 »
Very rustic lens adapter  :o ;D Super!
Erik Lund

Andrew

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #26 on: September 22, 2020, 12:41:08 »
Yes, piece of flooring in our kitchen....
Andrew Iwanowski

Michael Erlewine

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #27 on: September 22, 2020, 14:01:35 »
Quick and dirty...
Z6, PB-6, PN-11 etc. etc, Apo-Geragon 210/9, hand held...

From the APO Geragon 150/9
MichaelErlewine.smugmug.com, Daily Blog at https://www.facebook.com/MichaelErlewine. main site: SpiritGrooves.net, https://www.youtube.com/user/merlewine, Founder: MacroStop.com, All-Music Guide, All-Movie Guide, Classic Posters.com, Matrix Software, DharmaGrooves.com

Hugh_3170

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #28 on: September 25, 2020, 03:58:58 »
Well it is a lens board is it not?  LOL  ;D

Yes, piece of flooring in our kitchen....
Hugh Gunn

Gerhard2006

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Re: Rodenstock APO Ronar 150mm f/9
« Reply #29 on: September 25, 2020, 04:18:19 »
So Michael, now that you have both lenses. How do they compare? It’s hard for us to compare at this resolution. Are you happy with your new acquisition?