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05-09-2014, 10:37 AM   #1
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Super-Multi-Coated TAKUMAR 1:2.5/135 variants

As per the review, Super-Multi-Coated TAKUMAR 1:2.5/135 has three variants and last is optically same as K version.

Super-Multi-Coated TAKUMAR/Super-Takumar 135mm F2.5 Reviews - M42 Screwmount Telephoto Primes - Pentax Lens Reviews & Lens Database

Just wondering, how to identify these variants, especially the last variant.

05-09-2014, 11:38 AM   #2
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The weights are different. The focus distance scales have different numbers close to infinity. The Auto-Manual switch has a number stamped into the lens mount side, and 43812 is the "good" one, 43802 has less elements. I think 43801 is the Super-Tak. I can never remember about aperture blades. The good ones have 8, then I have to go look at my poorly organized photos.
05-09-2014, 03:09 PM - 1 Like   #3
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+1 for Just1More Dave. 43812 is the late (5 element?) version. 43802 has 4 elements. However, I suggest you test the lens before buying. In tests I ran, both the Vivitar M42 Komine 135 f2.8 (early 5 element - 8 blades) came out better than either Taks (unfortunately), and the 135mm f3.5 smct - stopped down a bit - matched them.

IMO, both 135 f2.5 are overrated.
05-09-2014, 09:11 PM - 1 Like   #4
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43801 is the Super-Takumar and has 6 aperture blades and 5 elements. The distance scale says 30 15 10 7 in meters, 100 50 30 in feet.
43812 is Super-Multi-Coated, 8 blades, 6 elements. The distance scale says 35 15 10 7 in meters, 100 40 25 in feet.

The 43802 is supposed to be the same optical formula as 43801, so probably the distance scale on that one is the same as 43801.

I remember weighing these before selling, and the weights never quite matched the numbers I found on the internet. They would be close enough.

The Super-Takumar coating will look yellow-gold on the front and purple off the rear. That was easy to capture in my photos. Super-Multi-Coating looks a lot different, very similar to an M or K lens.

Someone could probably fake the good versions by swapping distance scales and the A-M switch, add some weight inside. I bought a parts-swapped Takumar 35mm f2 once. In retrospect not a great fake, but I didn't know until someone told me.

05-09-2014, 09:51 PM   #5
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QuoteOriginally posted by Just1MoreDave Quote
43801 is the Super-Takumar and has 6 aperture blades and 5 elements. The distance scale says 30 15 10 7 in meters, 100 50 30 in feet.
43812 is Super-Multi-Coated, 8 blades, 6 elements. The distance scale says 35 15 10 7 in meters, 100 40 25 in feet.

The 43802 is supposed to be the same optical formula as 43801, so probably the distance scale on that one is the same as 43801.

I remember weighing these before selling, and the weights never quite matched the numbers I found on the internet. They would be close enough.

The Super-Takumar coating will look yellow-gold on the front and purple off the rear. That was easy to capture in my photos. Super-Multi-Coating looks a lot different, very similar to an M or K lens.

Someone could probably fake the good versions by swapping distance scales and the A-M switch, add some weight inside. I bought a parts-swapped Takumar 35mm f2 once. In retrospect not a great fake, but I didn't know until someone told me.
Thanks a lot Dave. That's very useful. The seller is in another town so unfortunately can't test but will get this checked.

---------- Post added 05-10-14 at 10:23 AM ----------

QuoteOriginally posted by cahudson42 Quote
IMO, both 135 f2.5 are overrated.
I concluded the same from a comparision here https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/256885-da-5...mparision.html , it's good but not great.
05-11-2014, 06:17 AM   #6
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Pentax 135/2.5 over rated?

We are comparing a lens that is perhaps half the price of the FD and the FD is cheap only because its an orphan mount and would easily cost another $200 more if its even usable on any other DSLR system.


The FD is a formidable lens indeed.
But its also heavier, bigger, more expensive, and cooler Canon colors.

The Pentax 135/2.5 lenses (either versions) are great lenses for the size, build and price.

S. Tak 135/2.5 v1


K135/2.5


FD135/2



Saying one blows away the other is an overstatement.
They are all good lenses.
They all can get very good output.
And they all have a different real world size, price and usability on a Pentax camera.
05-12-2014, 09:53 AM   #7
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Awesome pictures, thanks for sharing.

Well, the point is that it's a good lens but not the best, even in the Pentax world.

QuoteOriginally posted by pinholecam Quote
Pentax 135/2.5 over rated?

We are comparing a lens that is perhaps half the price of the FD and the FD is cheap only because its an orphan mount and would easily cost another $200 more if its even usable on any other DSLR system.


The FD is a formidable lens indeed.
But its also heavier, bigger, more expensive, and cooler Canon colors.

The Pentax 135/2.5 lenses (either versions) are great lenses for the size, build and price.

S. Tak 135/2.5 v1


K135/2.5


FD135/2



Saying one blows away the other is an overstatement.
They are all good lenses.
They all can get very good output.
And they all have a different real world size, price and usability on a Pentax camera.
05-13-2014, 09:57 PM   #8
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QuoteOriginally posted by yusuf Quote
Awesome pictures, thanks for sharing.

Well, the point is that it's a good lens but not the best, even in the Pentax world.
Its certainly only as good as the FA135 win some lose some.
The FA135 is smaller, sharper, close focusing, internal focus and AF.
Weaker for PF (by a lot), and cost much more but otherwise a better lens imo.

The FD135/1.8 can rival the A*135/1.8 (I have compared them)
So thats an idea how good the FD is and it stands on a different class vs the K135/2.5 (as if the K135 is the 'normal' line up and the FD is on the * lens range equivalent and it was priced as such in the old days)



The thing about these FD lenses is this (and its kinda scary when I think of it sometimes, since I have a few)
Their revival is due to the MILC that can use them (mainly Sony).
So it one fine day Sony winds up (they are not making money with cameras) or decides that their new line of NEXT cameras will not support lenses without electronic contacts, new flange distance, etc, the FD lenses would be the very first at risk of obsolescence again.
An M42, K, Ai, etc lens will usually still be able to find home on their native mount cameras.

05-14-2014, 03:19 AM   #9
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I have the 43802 version. I have liked it overall but wide open it does get some fringing on high contrast edges and is a little softer than the ST 135/3.5 that I have. But if I am grabbing a bag of lenses for a trip I am more likely to take the 2.5 than the 3.5. the 3.5 seems very good to me and has the properties of a slower lens. I think it is worth keeping both the 2.5 and the 3.5.
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