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What's the latest lens you added to your collection?
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PostPosted: Wed Mar 16, 2022 2:18 pm    Post subject: Reply with quote
Good looking SMC Pentax-m 50mm 1:4 apart from the dent (for which i got a vise)
SMC Pentax-M Macro 1:4 50mm by The lens profile, on Flickr

SMC Pentax-M Macro 1:4 50mm by The lens profile, on Flickr

It skipped customs for some reason, otherwise I would have had to wait at least a month more.


PostPosted: Wed Mar 16, 2022 2:45 pm    Post subject: Reply with quote
D1N0 wrote:
Good looking SMC Pentax-m 50mm 1:4 apart from the dent (for which i got a vise)


That looks like a very sharp bend in the filter holder; bending that back is a lot to ask of aluminium: it work-hardens quickly. I would suggest you make a round former to support it and bend it back into when you use the thread repair vise (e.g. made of hardwood)

Good luck Like 1 small


PostPosted: Wed Mar 16, 2022 3:06 pm    Post subject: Reply with quote
RokkorDoctor wrote:
D1N0 wrote:
Good looking SMC Pentax-m 50mm 1:4 apart from the dent (for which i got a vise)


That looks like a very sharp bend in the filter holder; bending that back is a lot to ask of aluminium: it work-hardens quickly. I would suggest you make a round former to support it and bend it back into when you use the thread repair vise (e.g. made of hardwood)

Good luck Like 1 small


I already bent it back. The large diameter part of the vise didn't fit. minimum 52 mm I think The smaller part also bent out the opposite side. What I did was getting it as round as possible so a filter would screw in. Then I bent back outward bent pieces with a pair of water pump pliers. Now it is reasonably round again but with some stripped of paint. The only thing that needs to be on it is my close up diopter for 1:1 focusing (made for the Cosina 100mm 1:3.5)


PostPosted: Thu Mar 17, 2022 3:04 am    Post subject: Reply with quote


(sellers pic)
I had to beat a few other determined bidders to get my sticky mitts on this beauty...


PostPosted: Thu Mar 17, 2022 4:46 am    Post subject: Reply with quote
Alun Thomas wrote:


(sellers pic)
I had to beat a few other determined bidders to get my sticky mitts on this beauty...

It is a Quinon. Like 1 small

I have one adapted to LTM mount, still have not try it yet. Rolling Eyes


PostPosted: Fri Mar 18, 2022 12:13 am    Post subject: Reply with quote
stevemark wrote:
Jupiter 11 135mm f4 - with Contax RF mount. I was stumbling about this lens today in a "Brockenhaus" (place where old stuff of all kinds is being sold).
CHF (USD) 10.-- for a pretty decent looking sample with nice violet and amber coatings. And one lens surface obviously is not coated at all:
Its reflections are bright white ...
It will be interesting to see how it compares to my war-time Carl Zeiss Jena Sonnar 4/13.5cm which is not coated at all.

S





Here's an image of the two lenses. While the Zeiss (early wartime lens, probably 2nd half of 1939) looks a bit shabby due to its "half-half" barrel (half alu, half chromed), it certainly is manufactured to tighter tolerances, compared to the later Soviet sample. The Zeiss feels better, and the Jupiter looks nicer Wink

S


PostPosted: Fri Mar 18, 2022 7:58 am    Post subject: Reply with quote
stevemark wrote:


Here's an image of the two lenses. While the Zeiss (early wartime lens, probably 2nd half of 1939) looks a bit shabby due to its "half-half" barrel (half alu, half chromed), it certainly is manufactured to tighter tolerances, compared to the later Soviet sample. The Zeiss feels better, and the Jupiter looks nicer Wink

S


what is the manufacturer of J11 - I had a very shiny Kazan lens.

https://camerapedia.fandom.com/wiki/Soviet_Factory_Logos


PostPosted: Fri Mar 18, 2022 10:34 am    Post subject: Reply with quote
kansalliskala wrote:

what is the manufacturer of J11 - I had a very shiny Kazan lens.

https://camerapedia.fandom.com/wiki/Soviet_Factory_Logos


Thanks for the link - it is a Kazan lens as well. СДЕЛАНО В СССР!

S


PostPosted: Fri Mar 18, 2022 5:29 pm    Post subject: Reply with quote
Minolta MC ROKKOR-PF 50mm f/2.

This budget Minolta lens was still missing. It was sold cheap as a parts lens because of a stuck aperture. I suspected it would be fixable, which it was Very Happy

I will shortly also post the disassembly/reassembly procedures. This is a useful CLA tutorial for first-timers who would like to know a bit more about lens repair, starting with a simple one. It is also an interesting tear-down to see what changes Minolta made to make this a "budget" lens, compared to their usual lenses.



PostPosted: Fri Mar 18, 2022 6:10 pm    Post subject: Reply with quote
RokkorDoctor wrote:
Minolta MC ROKKOR-PF 50mm f/2.
This budget Minolta lens was still missing.


Really? It's pretty common here, along with the later MD-III 2/50mm (which has a different and much better optical computation).
The one I was missing for quite some time is the MD-I version of the above MC-X 2/50mm. It looks pretty much like the MC-X, and seems to be the same optical computation, but it misses the silver "MC base" and has an MD aperture, of course.

RokkorDoctor wrote:
It was sold cheap as a parts lens because of a stuck aperture. I suspected it would be fixable, which it was Very Happy

I will shortly also post the disassembly/reassembly procedures. This is a useful CLA tutorial for first-timers who would like to know a bit more about lens repair, starting with a simple one. It is also an interesting tear-down to see what changes Minolta made to make this a "budget" lens, compared to their usual lenses.


Thanks - looking forward t it Wink

S


PostPosted: Fri Mar 18, 2022 8:05 pm    Post subject: Reply with quote
stevemark wrote:
Really? It's pretty common here, along with the later MD-III 2/50mm (which has a different and much better optical computation).


It is fairly common, just never been high on my list of priorities. This one didn't come with a superfluous camera attached for a change, and was cheap because of a fault I thought would be nice to try and fix Wink


PostPosted: Fri Mar 18, 2022 8:45 pm    Post subject: Reply with quote
For the redords - Minolta MC-X 2/50mm (left) and MD-I 2/50mm (right):



S


PostPosted: Sat Mar 19, 2022 6:20 pm    Post subject: Reply with quote


1961 Arsenal. Looks like a PT7560 according to sovietcams.com.


PostPosted: Sat Mar 19, 2022 6:46 pm    Post subject: Reply with quote
KEO wrote:

1961 Arsenal. Looks like a PT7560 according to sovietcams.com.


That's a nice lens. While I've never been able to test or use the Soviet copy, I do have a contemporary Zeiss Opton 2/85mm which is better than the ten years "younger" Minolta MC 1.7/85 or Nikkor 1.8/85mm lenses.

S


PostPosted: Sat Mar 19, 2022 10:59 pm    Post subject: Reply with quote
Nikon Nikkor N 24mm 2.8 non AI
Nikon 105mm 1.8 AIs


PostPosted: Mon Mar 21, 2022 11:36 pm    Post subject: Reply with quote
Canon FD 4/80-200mm, here shown with its "sibling", the FD 2.8-3-5/35-70mm. Both lenses - but especially the 35-70mm - were exceptional lenses when released, and both lenses remained in production when the transition from FD to new FD was made. All theses lenses were quite expensive back then, which probably explains their pretty rough state (professional use, I guess). They both need a thorough cleaning.



These days both lenses can be bought for next to nothing (the FD 4/80-200mm did cost me CHF 5.--). Nevertheless they are important milestones in the history of lens design (especially the 35-70mm which was the first two group zoom on the market), and as such they should be honored in any lens collection Wink

S


PostPosted: Tue Mar 22, 2022 4:34 am    Post subject: Reply with quote
stevemark wrote:
Canon FD 4/80-200mm, here shown with its "sibling", the FD 2.8-3-5/35-70mm. Both lenses - but especially the 35-70mm - were exceptional lenses when released, and both lenses remained in production when the transition from FD to new FD was made. All theses lenses were quite expensive back then, which probably explains their pretty rough state (professional use, I guess). They both need a thorough cleaning.

These days both lenses can be bought for next to nothing (the FD 4/80-200mm did cost me CHF 5.--). Nevertheless they are important milestones in the history of lens design (especially the 35-70mm which was the first two group zoom on the market), and as such they should be honored in any lens collection Wink

S


From the old scanned ads in Google search, zoom were quite expensive in old days. I guess they were hard to design at that time.
I have two 35-70 nFD, both had mechanical issues unfortunately.


PostPosted: Tue Mar 22, 2022 4:42 am    Post subject: Reply with quote
stevemark wrote:
Canon FD 4/80-200mm, here shown with its "sibling", the FD 2.8-3-5/35-70mm. Both lenses - but especially the 35-70mm - were exceptional lenses when released, and both lenses remained in production when the transition from FD to new FD was made. All theses lenses were quite expensive back then, which probably explains their pretty rough state (professional use, I guess). They both need a thorough cleaning.

These days both lenses can be bought for next to nothing (the FD 4/80-200mm did cost me CHF 5.--). Nevertheless they are important milestones in the history of lens design (especially the 35-70mm which was the first two group zoom on the market), and as such they should be honored in any lens collection Wink

S


Excellent lenses even now. Amazing for their time and the price new!!!!!!!!!!
Some discussion here:
http://forum.mflenses.com/early-canon-fd-zooms-t78348.html

And here:
http://forum.mflenses.com/canon-fd-35-70-f2-8-3-5-t78386.html


PostPosted: Tue Mar 22, 2022 8:11 am    Post subject: Reply with quote
stevemark wrote:
Canon FD 4/80-200mm, here shown with its "sibling", the FD 2.8-3-5/35-70mm. Both lenses - but especially the 35-70mm - were exceptional lenses when released, and both lenses remained in production when the transition from FD to new FD was made. All theses lenses were quite expensive back then, which probably explains their pretty rough state (professional use, I guess). They both need a thorough cleaning.

These days both lenses can be bought for next to nothing (the FD 4/80-200mm did cost me CHF 5.--). Nevertheless they are important milestones in the history of lens design (especially the 35-70mm which was the first two group zoom on the market), and as such they should be honored in any lens collection Wink

S


I've got the same two lenses (and still have an nFD version of the 80-200 while I've been selling my nFD 35-70) and optically they were certainly outstanding when they came out. While the L version of the 80-200 mm f/4 is clearly better at the longest focal length (an Achilles heel for practically all the tele zooms without low dispersion glass..), I feel that the 35-70 mm f/2,8-3,5 still stands out today. While you are cleaning the two lenses, you might consider changing the slider bearings as well Wink


PostPosted: Tue Mar 22, 2022 12:55 pm    Post subject: Reply with quote
Alsatian2017 wrote:

I've got the same two lenses (and still have an nFD version of the 80-200 while I've been selling my nFD 35-70)




Alsatian2017 wrote:

and optically they were certainly outstanding when they came out. ... I feel that the 35-70 mm f/2,8-3,5 still stands out today.

http://www.artaphot.ch/systemuebergreifend/objektive/451-35-70mm-zooms

Alsatian2017 wrote:
While you are cleaning the two lenses, you might consider changing the slider bearings as well Wink

Might be a small project over the weekend. Are there any instruction out there? I'm not familiar with Canon FD lenses, and certainly not with zooms! I have, however, some Teflon tubes which should be OK to replace the bearings. And they will never decay. Well, at least not during the next 100 years Wink

S


PostPosted: Tue Mar 22, 2022 5:22 pm    Post subject: Reply with quote
stevemark wrote:

Might be a small project over the weekend. Are there any instruction out there? I'm not familiar with Canon FD lenses, and certainly not with zooms! I have, however, some Teflon tubes which should be OK to replace the bearings. And they will never decay. Well, at least not during the next 100 years Wink

S


Well, I usually use Teflon tubing as well (4mm outer and 2mm inner diameter) to replace the rotten bearings. As I remember, you'll need to cut 9 little tubes for the 35-70mm and 6 for the 80-200 mm. In fact, the 35-70 mm has three more since it uses 3 bearings for the focusing ring, instead of a classical helicoid. The 35-70 mm has a very "logical" build (another reason why I like it a lot). You'll have to remove the plastic cover of the focusing ring first in order to have access to the three screws for the bearings and the focus stop screw. After removing the four screws you'll be able to unscrew the focusing ring, which exposes the other six screws for the bearings. The procedure for the 80-200 mm is about the same (remove the screws holding the focusing ring with the front group and the focus stop screw...) but the reassembly is quite tricky - in fact, I had to pause for a few months before figuring out how to reassemble the front part.

Best regards

Volker


PostPosted: Tue Mar 22, 2022 6:21 pm    Post subject: Reply with quote
Alsatian2017 wrote:
The 35-70 mm has a very "logical" build (another reason why I like it a lot). You'll have to remove the plastic cover of the focusing ring first in order to have access to the three screws for the bearings and the focus stop screw. After removing the four screws you'll be able to unscrew the focusing ring, which exposes the other six screws for the bearings. The procedure for the 80-200 mm is about the same (remove the screws holding the focusing ring with the front group and the focus stop screw...) but the reassembly is quite tricky - in fact, I had to pause for a few months before figuring out how to reassemble the front part.


Thanks !! That make life much easier Wink I guess I'll start with the FD 2.8-3.5/35-70mm then ... it's dirtier anyway.



Well, and that's today's find in a local thrift shop:



All lenses look like new. I already had the Canon nFD 35-105 as well as the nFD 2.8/28mm, but these samples were so pristine I simply couldn't resist. Zooming is very smooth on the 35-105, and maybe its bearings are still OK (??). At least I cannot see/feel any play when turning the zoom ring.

The Minolta MD-II 2.8/135mm is the [5/5] computation. I did have a sample of that one too, but basically it was only for depicting it on the artaphot website (its aperture mechanism is missing, and it has a lower resolution than expected). Now I have a fully working sample of that one, too.

Finally the MD-I/II Tele Converter 300-S: The MD-III version (with a fine rubber waffle) had been here in the collection for years, but not the MD-I/II. And it nicely complements the MD-I/II Tele Converter 300-L which I already had before.

S


PostPosted: Tue Mar 22, 2022 6:50 pm    Post subject: Reply with quote
stevemark wrote:
KEO wrote:

1961 Arsenal. Looks like a PT7560 according to sovietcams.com.


That's a nice lens. While I've never been able to test or use the Soviet copy, I do have a contemporary Zeiss Opton 2/85mm which is better than the ten years "younger" Minolta MC 1.7/85 or Nikkor 1.8/85mm lenses.

S


I also have an early 50s Zeiss-Opton. It is wonderful and objectively better than the Jupiter-9, but I still like the J9 a lot for its character.


PostPosted: Tue Mar 22, 2022 7:08 pm    Post subject: Reply with quote
KEO wrote:
50s Zeiss-Opton. It is wonderful and objectively better than the Jupiter-9, but I still like the J9 a lot for its character.


I have one here as well (Zeiss Opton 2/50mm), along with a prewar CZJ Sonnar 2/5cm, and two wartime coated 1.5/5cm Sonnars (one Contax RF, the other one LTM).

I haven't used the Contax RF lenses yet since I don't have an adapter ... the adapters were excruciatingly expensive back in 2011 when I bought these lenses (and there were no FF mirrorless yet) - which means I kind of "forgot" these lenses, mainly because I had LTM and/or M42 versions of several CZJ classics (Tessar 3.5 and 2.8/5cm, Sonnar 1.5/5cm, Biotar 2/5.8cm and 1.5/7.5cm, Sonnar 4/13.5cm, Sonnar 2.8/18cm, Sonnar 4/30cm, ...).

I probably should get one of these Contax RF => Sony E adapters ...

S


PostPosted: Thu Mar 24, 2022 12:24 pm    Post subject: Reply with quote
I was looking for the still missing Pentax-m 28mm 2.8. Found one for 1400 yen sold as junk but still looking fine in the images as is the SMC Pentax 200MM F4 complete with caps and hood that comes with it. I expect there is a small spec of fungus somewhere that can be easily cleaned. If I sell the 200mm over here (have it already) I'll probably make a profit.

seller pic
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