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S-M-C Takumar 2/35mm without open-aperture metering pin/lug?
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PostPosted: Mon Jan 09, 2012 5:57 pm    Post subject: S-M-C Takumar 2/35mm without open-aperture metering pin/lug? Reply with quote
Perhaps some of our resident Takumar experts could help me out?

I was under the impression that, along with the adoption of multi-coated optics, the S-M-C series of lenses had a redesigned mount with an open-aperture lug for the Pentax ES, ESII, and F. Is it possible that some of the early ones do not? My recently acquired S-M-C 2/35mm's mount is the typical one present on any Super Tak. It certainly looks multi-coated but I still just want to confirm that the nameplate was not simply swapped out. Thanks in advance!

~Marc


PostPosted: Mon Jan 09, 2012 6:51 pm    Post subject: Re: S-M-C Takumar 2/35mm without open-aperture metering pin/ Reply with quote
themoleman342 wrote:
Perhaps some of our resident Takumar experts could help me out?

I was under the impression that, along with the adoption of multi-coated optics, the S-M-C series of lenses had a redesigned mount with an open-aperture lug for the Pentax ES, ESII, and F. Is it possible that some of the early ones do not? My recently acquired S-M-C 2/35mm's mount is the typical one present on any Super Tak. It certainly looks multi-coated but I still just want to confirm that the nameplate was not simply swapped out. Thanks in advance!

~Marc


Yes, it is possible. These things happened around the same time, but not necessarily together.


PostPosted: Mon Jan 09, 2012 6:54 pm    Post subject: Reply with quote
I'm not sure, but posting part of the serial number might help the Asahi experts...it may have been a really early one.


PostPosted: Mon Jan 09, 2012 6:58 pm    Post subject: Reply with quote
I suppose it's possible the mount/helicoid was swapped at some point.


PostPosted: Mon Jan 09, 2012 7:00 pm    Post subject: Reply with quote
BTW, mine has the lug and has a serial starting 593xxxx.


PostPosted: Mon Jan 09, 2012 7:09 pm    Post subject: Reply with quote
How about the number on the camera side of the Auto/Man switch? 43832 is S-M-C, 43891 is Super. Thinking here that part is harder to swap or fake. Gerjan doesn't mention anything about a S-M-C version without lug.


PostPosted: Mon Jan 09, 2012 7:11 pm    Post subject: Reply with quote
My S-M-C is 43932, was the above number a typo?


PostPosted: Mon Jan 09, 2012 7:19 pm    Post subject: Reply with quote
The A/M switch reads 43931. The serial is 4493151.


PostPosted: Mon Jan 09, 2012 7:44 pm    Post subject: Re: S-M-C Takumar 2/35mm without open-aperture metering pin/ Reply with quote
themoleman342 wrote:
Perhaps some of our resident Takumar experts could help me out?

I was under the impression that, along with the adoption of multi-coated optics, the S-M-C series of lenses had a redesigned mount with an open-aperture lug for the Pentax ES, ESII, and F. Is it possible that some of the early ones do not? My recently acquired S-M-C 2/35mm's mount is the typical one present on any Super Tak. It certainly looks multi-coated but I still just want to confirm that the nameplate was not simply swapped out. Thanks in advance!

~Marc


Somebody could do a service here by posting contact info for the manufacturers. They are more likely to have this information. A lot of people ask questions on forums that should be addressed to manufacturers.


PostPosted: Mon Jan 09, 2012 7:46 pm    Post subject: Reply with quote
Quote:
Somebody could do a service here by posting contact info for the manufacturers. They are more likely to have this information. A lot of people ask questions on forums that should be addressed to manufacturers.


Contact a manufacturer about a 40 year old product? Good luck with that.


PostPosted: Mon Jan 09, 2012 7:58 pm    Post subject: Reply with quote
ManualFocus-G wrote:
My S-M-C is 43932, was the above number a typo?


Mine has 43932 too. So did the one I sold.

I think the name ring has been swapped! Maybe the front element too.


PostPosted: Mon Jan 09, 2012 8:22 pm    Post subject: Reply with quote
themoleman342 wrote:
Quote:
Somebody could do a service here by posting contact info for the manufacturers. They are more likely to have this information. A lot of people ask questions on forums that should be addressed to manufacturers.


Contact a manufacturer about a 40 year old product? Good luck with that.


Mmm, might be worth a try. Wouldn't take much effort, would it? A nicely written letter, rather than email, often works wonders. As long as the firm has kept its records.

Some non-photo firms can even tell you when and to where an individual item was shipped, going way back into the 19th century. In the USA, both Colt and Smith & Wesson can tell you those details. For a fee. Smile


PostPosted: Mon Jan 09, 2012 9:02 pm    Post subject: Reply with quote


You might have already read this- (cut from)

http://www.taunusreiter.de/Cameras/Pentax_Takumar_e.html


PostPosted: Mon Jan 09, 2012 9:21 pm    Post subject: Reply with quote
It looks like a genuine "hybrid" to me Marc, S-M-C optics in a S-Tak body. The serial numbers fit. Quite rare I should think. My S-M-C (43932) has S/N 5213465


PostPosted: Mon Jan 09, 2012 9:23 pm    Post subject: Reply with quote
Quote:
I think the name ring has been swapped! Maybe the front element too.


Hmmm. It would have to be more than just the front element, I think. The coating reflection pattern looks identical to the S-M-C 1.8/85mm I have. The serial is lower than any other I've seen too...maybe it could still be a first production batch without the lug...yes yes, I'm in denial. Rolling Eyes


PostPosted: Mon Jan 09, 2012 9:29 pm    Post subject: Reply with quote
scsambrook wrote:
themoleman342 wrote:
Quote:
Somebody could do a service here by posting contact info for the manufacturers. They are more likely to have this information. A lot of people ask questions on forums that should be addressed to manufacturers.


Contact a manufacturer about a 40 year old product? Good luck with that.


Mmm, might be worth a try. Wouldn't take much effort, would it? A nicely written letter, rather than email, often works wonders. As long as the firm has kept its records.

Some non-photo firms can even tell you when and to where an individual item was shipped, going way back into the 19th century. In the USA, both Colt and Smith & Wesson can tell you those details. For a fee. Smile


Sorry, I really didn't mean to be rude in my response. I just got out of a year long battle with an insurance company because I got into an accident at the time of a merger. Because of this they essentially lost all my information and I had to fight for the settlement I was entitled to. It made me think of the history of Pentax/Asahi in recent years. They've had quite a lot of change-over. I just doubt how much information they hold onto...but yes, maybe I will try to contact someone. Thank you.

Last edited by themoleman342 on Tue Jan 10, 2012 12:00 am; edited 1 time in total


PostPosted: Mon Jan 09, 2012 11:03 pm    Post subject: Reply with quote
With that sn# , it sounds like a transition piece, and may have been made for less then a year.


PostPosted: Thu Jan 12, 2012 6:03 am    Post subject: Reply with quote
themoleman342 wrote:
Quote:
I think the name ring has been swapped! Maybe the front element too.


Hmmm. It would have to be more than just the front element, I think. The coating reflection pattern looks identical to the S-M-C 1.8/85mm I have. The serial is lower than any other I've seen too...maybe it could still be a first production batch without the lug...yes yes, I'm in denial. Rolling Eyes




Maybe ask over at pentax forums if anybody knows. I couldn't find any mention in Gerjan's book. He does mention the others, the early 55/1.8, 55/2, and the 85/1.9 S-M-C without the lug. None of the 400mm & longer S-M-C have lugs. He does say some Super-Takumar lenses with serial numbers after 4300000 got multi-coated, and all of them after serial 4400000.

The serial number on your lens, 4493151, indicates it was made around the same time as those other lug-less S-M-C. My lug-less 85/1.9 serial number is only 4844347, so you may just have a previously unknown lug-less version of the S-M-C 35/2!

Mine is serial 5215825. The one I sold had a higher number.


PostPosted: Thu Jan 12, 2012 2:22 pm    Post subject: Reply with quote
Thanks! That's really helpful.

Quote:
...so you may just have a previously unknown lug-less version of the S-M-C 35/2!


Lucky me? Confused Smile


PostPosted: Sat Jan 14, 2012 7:00 am    Post subject: Reply with quote
themoleman342 wrote:
Thanks! That's really helpful.

Quote:
...so you may just have a previously unknown lug-less version of the S-M-C 35/2!


Lucky me? Confused Smile


If it matters, all the other early lug-less S-M-C had new numbers engraved on the A/M switch -- same lens body as the Super, but with the S-M-C elements, a new name ring, and a new number on the A/M switch. I have heard of Super with S-M-C coatings, but those all have Super name ring and A/M number. I have never (until now?) heard of a S-M-C name-ring lens with a Super A/M number. It seems unlikely circumstances would yield an extra S-M-C name ring for deception purposes, unless someone has a S-M-C body with a Super name ring in their collection now. Maybe Asahi kept records and when S-M-C version was first released, they sent new name rings to shoppes with Super stock that had the S-M-C coatings, so they could sell them at the new price? Maybe it is Asahi test lens. Who knows?! (Please tell us!) Laughing


PostPosted: Sat Jan 14, 2012 10:39 am    Post subject: Reply with quote
Yep, I have a Super-Takumar 2/55 the other way round to Marc's 2/35. It has the older non-SMC coating but it has the S-M-C lugs. The serial number is 5348964 and the part number on the A-M switch is 37107. The "1:2/55" on the name ring is in yellow, not white. This lens is quite common I believe, probably it was a cheaper alternative kit lens.


PostPosted: Sun Jan 15, 2012 3:02 am    Post subject: Reply with quote
peterqd wrote:
Yep, I have a Super-Takumar 2/55 the other way round to Marc's 2/35. It has the older non-SMC coating but it has the S-M-C lugs. The serial number is 5348964 and the part number on the A-M switch is 37107. The "1:2/55" on the name ring is in yellow, not white. This lens is quite common I believe, probably it was a cheaper alternative kit lens.


Yep, Gerjan says those 37107 Super 2/55 with lugs were supplied with the budget Spotmatic SP500.
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