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04-08-2011, 11:52 PM   #1
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Takumar 135 2.5 vs Super Tak 135 3.5, both bayonet mount, which is better?

I'm looking to buy cheap used 135mm prime, wondering which one is better? I guess both are not SMC lenses.

04-09-2011, 12:28 AM   #2
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I can believe the 135/2.5 is a bayonet mount (in which case it will be marked as "Takumar (Bayonet)"), but not the Super Tak. All Super Taks are M42 screw mount, and need an adapter if you're to use them on a modern DSLR.

Regarding image quality, I have both lenses and surprisingly find the Super Tak somewhat disappointing. Maybe I have a bad copy, maybe it's because it's an early version (early 60's), but it's nowhere near as good as my Super-Multi-Coated Takumar 135/3.5 - which is also better than the (Bayonet), and is multi-coated, but is M42 and needs an adapter.

Getting an adapter (I would recommend the genuine Pentax item) isn't a bad idea, as it opens up the possibility of adding lots of nice M42 lenses to your collection! But if you really want a bayonet mount, then do consider also the "K" 135/3.5 (which is optically the same as the S-M-C Tak) and the M 135/3.5. The M has the advantage of being very small and light, though maybe not quite so good optically.

Price-wise, you should find that the (Bayonet) is the cheapest, then the M, with the "K" perhaps the dearest.
04-09-2011, 12:56 AM   #3
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m42man,

I saw this Super Tak 135 listed in ebay as Bayonet mount. The picture looks like bayonet mount. Does it sound genuine or it was an adapter been attached?

Pentax Super Takumar 135 mm F3.5 Lens - eBay (item 350453711097 end time Apr-09-11 15:06:12 PDT)
04-09-2011, 01:37 AM   #4
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Hi chongmic,

Yes, it seems to have an adapter fitted. Actually, it looks like a rather nice example of the later Super Tak (i.e. the one before the S-M-C Tak). I would expect excellent optical performance (though with single-coating only). If I were you, I would bid for this one (I'm not sure how much I would go up to though).

As for the adapter: well, if it's a genuine Pentax item (very doubtful), this has got to be worth a good portion of the starting price alone. If it's not, it doesn't look like the flanged variety, so may be quite usable. Do note that a lot of the 3rd-party adapters can be troublesome though (getting jammed in the camera). It may be that the adapter has been loctited to the M42 thread, in which case it'll work like a bayonet lens - but you won't be able to use the adapter for any other lenses.

You could question the vendor about the adapter, but I'm not sure this would get you anywhere. Maybe it's best to ignore the adapter and treat this as an M42 lens.

If you do win this one, get back to us before you put it on your camera - we don't want you having problems. Good luck!

04-09-2011, 02:23 AM   #5
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Pentax Takumar Bayonet 1:2.5 135mm Lens - eBay (item 180648284774 end time Apr-09-11 14:11:54 PDT)

How about this 2.5 compare to the 3.5?
04-09-2011, 02:55 AM   #6
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You should note that the Tak (Bayonet) series was brought in at the time of the M series (approximately) as "entry-level" lenses - they just borrowed the Takumar name to distinguish them from the more upmarket Pentax lenses. They have similar build quality to the M series (i.e. not quite so good as a "real" Tak), are single-coated, and are generally slightly inferior optically. So, they should always be valued rather lower than real Pentax and Takumar lenses.

Having said that, they're not bad lenses, especially stopped-down a bit. They have the convenience of auto-diaphragm (the real Taks have auto/manual switches which you need to use when going from composing/focusing to shooting), and have no worries concerning adapters.

I would take your time before leaping at the first 135 that presents itself - do read through the lens reviews on these forums!

By the way, this may be worth a read also:

https://www.pentaxforums.com/forums/pentax-beginners-corner-q/110658-using-ma...x-dslrs-f.html

Personally, I like the Super-Tak you've identified - but it all depends on price...
04-09-2011, 07:45 PM   #7
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Hi m42man,

I gave both lenses a passed. May be you're right, I should not rushed to get into, I would rather wait until I find myself really need it. The seller of the 3.5 did not give me a very positive answer on the adapter, so I guess it was not a genuine, and did not indicate whether it is removable from the lens. So may be your guesses were right, it was locktite to the screw mount. The bid has ended with no bidder. The 2.5 ended with USD 43, not sure whether it worth at this price point, but they are few of them available, so not rushing it.

There is a A-135 1.8 ongoing for bid, now had reached USD 1125 with defect on the lens. Read the review on this lens, very good review but just wondering if it really worth the price. Few years back a good copy catch few thousands euro.

I have not purchase a DSLR yet, so I'm going to wait until I get one, then use my cheap zoom to try out the 135 range to see if I really need it on APS-C size zoom.

The LBA really got into me lately. Just shopping around to get ready into the DSLR world.

Thanks for the advice. Cheers mate.
04-09-2011, 11:55 PM   #8
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Well, I think $43 is a bit steep for Tak (Bayonet) - you should be able to get one in very good condition for less than this.

The A 135/1.8 is a somewhat specialised lens - OK if youve got plenty of money and don't mind a big, heavy lens. $1125 for a faulty one sounds a bit steep too...

I think you're right not to rush things - I didn't realise that you're yet without a DSLR (I presume you have a film SLR). Definitely a good plan to try the effect of the 135mm focal length when you do get a DSLR (it'll be a bit like a 200mm lens on your film camera).

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