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What's the latest lens you added to your collection?
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PostPosted: Fri Oct 25, 2019 1:16 pm    Post subject: Reply with quote
marcusBMG wrote:
D1N0 wrote:
Compact 180mm 3.5 Soligor lens made by Tokina


Interesting - 16xxxx serial is attributed to tokina. Focus barrel etc looks tokina but I didn't know tokina produced "chrome eared" soligors.


My Chrome eared 135mm 2.8 is also Tokina: https://www.flickr.com/photos/randomdump/albums/72157709837216846/with/48357782351/


PostPosted: Fri Oct 25, 2019 8:13 pm    Post subject: Reply with quote


Kuribayashi Petri Penta with Orrikor 2.0/50mm


PostPosted: Sat Oct 26, 2019 3:05 am    Post subject: Reply with quote
My latest is a howitzer of a lens -- a Takumar 400mm f/4 for my Pentax 67. It is huge, has a manual aperture with 12 blades, and is regarded as optically excellent. I can't say for sure on that score because i just got it and haven't shot with it yet.

I plan to get an adapter for it so I can use it with my NEX. A 400/4 is equivalent to a 300/2.8, when considering the focal length to aperture ratio, so it should make for an interesting optic.

This is a shot of a later version -- same optical formula though, and the early and late look almost the same:




PostPosted: Sat Oct 26, 2019 9:12 am    Post subject: Reply with quote
wolfhansen wrote:


Kuribayashi Petri Penta with Orrikor 2.0/50mm


Some of the early Petri lenses have odd optical designs, this one too I think. It will have a character.
This site has interesting details on them:
https://spiral-m42.blogspot.com/2017/05/petri-camera-co-high-speed-petri-part-3.html
While not described as such, I think it is a hybrid of a reversed Sonnar front + a Gauss.


PostPosted: Sat Oct 26, 2019 9:17 am    Post subject: Reply with quote
Yes Ernst, strange lens

https://www.digicamclub.de/showthread.php?t=21068&highlight=orikkor


PostPosted: Sat Oct 26, 2019 9:49 am    Post subject: Two MD mount lenses adapted/converted to EF mount with 3D pr Reply with quote
But used on an MC-11 + A7RII,

https://www.dpreview.com/forums/post/63231666




PostPosted: Sat Oct 26, 2019 9:59 am    Post subject: Reply with quote
wolfhansen wrote:
Yes Ernst, strange lens

https://www.digicamclub.de/showthread.php?t=21068&highlight=orikkor


Based on your link it could be a nice lens to hide the real subject into the background for seek and find images. Baroque in a sense.


PostPosted: Sat Oct 26, 2019 10:56 am    Post subject: Reply with quote
So the Westanar 135mm f3.5 arrived and its a nice piece of glass. Aperture a little stiff and the metals a touch discoloured but I think it's performing well enough..



Also got a Praktica B100 in the post with a Pentacon 50mm f2.4 but more importantly there's a CZJ 35mm f2.4 on the camera.. 😁


PostPosted: Sat Oct 26, 2019 12:19 pm    Post subject: Reply with quote
1969 Schneider - Kreuznach (Durst) Componon 1:5,6/210.




I frustratingly need just one more piece of the adapter puzzle, and I can get this crazy lump up and running.

Last edited by Sciolist on Sun Oct 27, 2019 3:55 pm; edited 1 time in total


PostPosted: Sat Oct 26, 2019 3:49 pm    Post subject: Reply with quote
Ernst Dinkla wrote:
wolfhansen wrote:


Kuribayashi Petri Penta with Orrikor 2.0/50mm


Some of the early Petri lenses have odd optical designs, this one too I think. It will have a character.
This site has interesting details on them:
https://spiral-m42.blogspot.com/2017/05/petri-camera-co-high-speed-petri-part-3.html
While not described as such, I think it is a hybrid of a reversed Sonnar front + a Gauss.


This is a great site, scroll down for the Petri lenses.

http://www.mike-lee.org/scripts/camera/main.htm


PostPosted: Sat Oct 26, 2019 3:56 pm    Post subject: Reply with quote
Thank you very much for the Link! - Great! Like 1 Like 1


PostPosted: Sat Oct 26, 2019 10:04 pm    Post subject: Reply with quote
Minolta AUTO TELE-ROKKOR-PG 135mm F 2.8 from the first series circa 1959




PostPosted: Mon Oct 28, 2019 12:32 pm    Post subject: Reply with quote
1974 Schneider-Kreuznach G - Claron 9/240.

Probably the longest I've taken to clean the glass in a lens, even with such a simple and accessible design (6/4 Plasmat). A heavy and very resilient haze on two inner faces, two types of fungus for added interest, along with the usual detritus.

It's scrubbed up nice though, although I can still see, frustratingly, a faint haze and the faintest ghost of an outline of one of the fungi. Sometimes you have to decide, when facing diminishing returns, that it's time to stop.



I have no idea how it performs, as I need to now work out how best to nail it to the end of my camera. I'm thinking of taking a leaf out of DConvert's book and using a 54mm helicoid, rather than tubes and reducers to a 42mm.

I have a feeling I've not revived it to top performance. It was more a rescue mission than anything else. It's very compact for a 240 I must say, and it didn't need a winch to move it around.


PostPosted: Mon Oct 28, 2019 10:04 pm    Post subject: Reply with quote
[quote="michelb"]
Minolta AUTO TELE-ROKKOR-PG 135mm F 2.8 from the first series circa 1959

Congrats


PostPosted: Wed Oct 30, 2019 8:06 am    Post subject: Reply with quote
DSC00048 by Mr TTT, on Flickr


PostPosted: Wed Oct 30, 2019 9:50 am    Post subject: Reply with quote
sergtum wrote:
DSC00048 by Mr TTT, on Flickr


Very cool!
How does it shoot?
Tom


PostPosted: Wed Oct 30, 2019 9:56 am    Post subject: Reply with quote


PostPosted: Wed Oct 30, 2019 3:44 pm    Post subject: Reply with quote
Oldhand wrote:

Very cool!
How does it shoot?
Tom


so far, only one pic

DSC00053 by Mr TTT, on Flickr


PostPosted: Wed Oct 30, 2019 3:48 pm    Post subject: Reply with quote
!Karen wrote:

M-Kilar

Like 1


PostPosted: Wed Oct 30, 2019 9:12 pm    Post subject: Reply with quote
sergtum wrote:
Oldhand wrote:

Very cool!
How does it shoot?
Tom


so far, only one pic

DSC00053 by Mr TTT, on Flickr
Like 1


PostPosted: Thu Oct 31, 2019 5:00 am    Post subject: Reply with quote
For October. I got a Minolta Auto Rokkor PF 55mm f1.8 from Japan. Nice lens with original caps.

I also got A Vivitar SMS 28mm f2.8 MC Close Focus lens by Komine, in excellent shape.


PostPosted: Thu Oct 31, 2019 6:12 am    Post subject: Reply with quote
!Karen wrote:

Like 1 small


PostPosted: Thu Oct 31, 2019 7:34 am    Post subject: Reply with quote
calvin83 wrote:
!Karen wrote:

Like 1 small


Congrats Karen, to the double-ring-bokeh monster Wink


PostPosted: Thu Oct 31, 2019 8:06 am    Post subject: bispheric to achieve aspheric advantage Reply with quote
unlike some producers who claim to be the first to introduce aspheric lenses, Heinz Kilfitt introduced an element ground with two radii. I have not been able to ascertain whether all his 90mms had that- even after mr Backs Zoomar took over.

p.


PostPosted: Thu Oct 31, 2019 9:06 am    Post subject: Re: bispheric to achieve aspheric advantage Reply with quote
paulhofseth wrote:
unlike some producers who claim to be the first to introduce aspheric lenses, Heinz Kilfitt introduced an element ground with two radii. I have not been able to ascertain whether all his 90mms had that- even after mr Backs Zoomar took over.

p.


Heard and read about that, too Paul, but also was never able to find some proof for such ....

I read it here (in German): https://photobutmore.de/exakta/kilfitt/

(quote) 1959 entwickelte er ein verbessertes Makro-Kilar 90 mit einer asphärischen Linse. (unquote)

The same text later mentions a "BI-spährische Linse" i.e. a lens with two radii
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