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08-26-2017, 10:06 PM   #1
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What other Chinon lenses are M42 mount ?

I have a sweet little Chinon 28mm 2.8 lens that is a great little performer.It has a Tapered barrel and is built like a Tank !
I think its a Tomioka design , but not sure ?
Like it so much I'm considering another Chinon lens , but don't know which ones are M42 mount.
Can anyone help me by telling me what Chinon model camera's take the M42 mount ?
Thanks.

08-26-2017, 10:36 PM   #2
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Ooooohhh....THANK YOU !
When you mentioned the K mount Chinons ? Are they compatible with Pentax K mount ?
Again....Thanks for all the good information !
Just what I was looking for.
08-26-2017, 10:55 PM   #3
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I would love to get my paws on that 21mm !
This is the lens I have.....and the one that got me thinking of other Chinon lenses.


Chinon - ?Tomioka 28mm f2.8 MC Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database
08-27-2017, 03:09 AM   #4
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I think Chinon made lenses in quite a few mounts and they won't necessarily all be good. Some may not have the lever to be able to stop down the aperture manually, even if the mount is M42.

Your best bet is to look at the mount in each individual case.

08-27-2017, 05:57 AM - 1 Like   #5
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I've just acquired 2 M42 chinons - 300mm f5.6, 35mm f2.8.



These are two of a distinctive "tapered barrel" series made in the 1970's. it sounds like you have the 28mm from this series Ronald, and there is a review page for it here. They are all (?) based on the equivalent early tamron adaptalls. Though as I mention in this mflenses thread - p45, I was questioning whether the 35mm f2.8 might not be tamron, because tamron did not continue this focal length with the adaptalls.
There are some reviews here, and Bengt Sandberg has reviews of several of them, albeit with "Expert" nameplates, on his web site.

BKSPicture's Camera and Lens Reviews

I have done a fair amount of browsing and have yet to find anything firm or convincing to corroborate the tomioka attributions for some chinons the "tapered barrel" chinons. Internet echos...? Cimko (cima Kogaku) attributions for later eg PK models seem likely however.

More discussion here on mflenses. (Dcshooter already cited this link..)

Last edited by marcusBMG; 08-27-2017 at 07:35 AM.
08-27-2017, 07:29 AM   #6
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This is going to be a long learning process. I didn't expect so much info on what on the surface sounded like such a cut and dried question.
I really appreciate the responses so far and especially to dcshooter for all the great info.
Some of these lenses that I have previously passed on are now on the radar list.
08-27-2017, 07:30 AM - 1 Like   #7
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Very nice Brian, great info. Actually I should have said: "for these tapered barrel chinons" in terms of tomioka attribution.
I've just added to that mflenses thread to include the tamron derivation of the "tapereds".

The length of the optical block will be the same if my 35mm identifies with Luis' tamron 35mm lenses (as best as I could measure it given the recessed front element).

08-27-2017, 01:04 PM   #8
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While I'm no expert on Chinon lenses, I do have an M42 mount 55/1.7 that came with a Chinon camera I found at a garage sale for 10 bucks. I haven't used it much but it has performed well the few times I have used it. It's in excellent condition as is the camera that still works. I should probably take it out and show it some love.

Some good info on these lenses, guys. Thanks!
08-27-2017, 03:51 PM   #9
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I have the Chinon 45mm f2.8 pancake in K mount which I really like.
08-28-2017, 09:22 AM   #10
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QuoteOriginally posted by dcshooter Quote
Copied from CHINON lenses COMPLETE LIST OF PRIMES M42 & PK

3.5/21mm (Tomioka)
2.8/35mm Chinon Auto Chinon 35mm f/2.8-22.0 | M42 lenses database
2.8/28mm
2.8/35mm
1.9/50mm
1.7/55mm coated & MC version (Tomioka)
1.4/55mm coated & MC version (Tomioka)
1.2/55mm (Tomioka) Search: tomioka | Flickr
2.8/100mm (Tomioka) TOMIOKA AUTO CHINON - 100/2.8
2.8/135mm
3.5/200mm

Also, add to the list the 55mm f/1.7 macro, supposedly Alpa Switar derived

List of Chinon m42 cameras can be found here.

---------- Post added 08-26-17 at 10:31 PM ----------

One other thing to add: The Auto Chinon 55mm f/1.4s and 1.2s always have separation. It's hard to see , since it doesn't get the iridescent appearance that some other lenses do, but the cement used liquifies over time, leaving the outside of the cemented group sticky, with separation visible if you look closely through the lens. The 55 1.4s and macro 1.7s nearly always have a lot of oil on the blades as well. The good news is that once cleaned up, they are excellent performers. The K mount Chinons seem to have had these issues solved for them.
I wonder how will the separation affect the performance of a Chinon 55/1.4. I have a GAF 55/1.4 which looks very much like my Chinon 55/1.7 in terms of cosmetics, so I am assuming it's the Chinon 55/1.4 with another name plate.

As for the K-mount 1.4, I am only aware of a 50/1.4, is that the one you are referring to?

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08-28-2017, 09:36 AM   #11
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@dcshooter Does that mean the Yashinon-DX 50/1.4 and the mamiya/sekor 55/1.4 are the same design?
08-28-2017, 11:56 AM   #12
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QuoteOriginally posted by dcshooter Quote
I've heard conflicting reports about whether the Yashinon fits in with this series or not. I actually have parts copies of both, so maybe some investigation is in order.

---------- Post added 08-28-17 at 11:40 AM ----------



The GAF lenses are indeed identical to the Chinons and actually manufactured by Chinon. The lenses included with the GAF bodies (also Chinon made) more often than not were Chinon-labeled , so the GAF ones are actually somewhat less common.
GAF-branded Chinons, from Camerapedia:
GAF L-CS (rebranded Chinon CS)
GAF LC-X (a rebadged Chinon CX)
GAF L-ES (a rebadged Chinon CE Memotron)
GAF L-ES/2 (a rebadged Chinon CE II Memotron)



Yes, AFAIK, the only 1.4 Chinon in K is a 50mm and is not of the same lineage as the Tomioka m42s. There is also a related 1.7, which IMO is actually the better lens of the two:

Will the separation on the 55/1.4s severely impact IQ or can I just ignore it in everyday usage?

Sincerely

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08-28-2017, 12:15 PM   #13
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QuoteOriginally posted by dcshooter Quote
I've heard conflicting reports about whether the Yashinon fits in with this series or not. I actually have parts copies of both, so maybe some investigation is in order.
They definitely look very similar in terms of coating.

QuoteOriginally posted by dcshooter Quote
Yes, AFAIK, the only 1.4 Chinon in K is a 50mm and is not of the same lineage as the Tomioka m42s. There is also a related 1.7, which IMO is actually the better lens of the two:
I have a Sears version of the 1.7, which is quite nice
08-28-2017, 03:20 PM   #14
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Here's a page from a Chinon catalogue which a kind eBayer scanned for me. Shows the design of the 35mm f/2.8 which I own also, might help those of you interested in tracking down its origins. I read some mention of Tamron so maybe a quick comparison would confirm?



Regardless to say this is a very nice lens albeit massive and in my opinion quite ugly.

I shared this a while ago on this forum but got very little response, maybe I posted in the wrong section .
08-28-2017, 06:32 PM - 2 Likes   #15
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I have the 55mm 1.7 Macro m42 as well as a few other Chinons. I bought the 55 for $20 in a 2nd hand shop only to find the aperture mechanism had been removed. So I inserted a black rubber washer that I had lying around and I estimated it stopped it down to about f2. Of course still far too shallow a dof for serious macro but what a superb lens for sweet nothing bokeh shots.
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