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03-27-2010, 03:18 AM   #1
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M-series 100/2.8 vs. Super-Tak 105/2.8

Looking for something a bit less long than my M135/3.5 for portraits and general short tele work, I recently acquired both an M100/2.8 and a Super-Takumar 100/2.8. Unfortunately, I don't have an M42 converter yet to test the Tak on my *ist DS. I do however very much like the IQ of the M100. I also like the slightly reduced size and weight (230 vs. 290g) of the M, so I'm leaning towards letting go the Tak before I'm even trying it, mostly because of the effort to get an adapter for a lens that seems to be the underdog already.

Could any of you share some insight on whether the Tak would give me anything significant over the M lens? Thanks in advance

03-27-2010, 06:28 AM   #2
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I'd keep the M 100mm f/2.8 because it is such a compact lens.
03-27-2010, 07:03 AM   #3
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I have an SMC Tak 105 2.8. I don't use it a whole lot as I have more modern lenses that cover that length, but I will tell you that I've found my copy of the lens to be very very good. Very sharp even wide open and there's NOTHING like the focus action of a Takumar lens....smooth like butter. And the color rendering from this glass is .... well, just really special.

I will give you that the M series will be a very good lens as well WITHOUT the hassle of an adapter.... but since you already have a 105 in the house, you should do yourself the favor of getting an adapter and giving the lens a spin.

Note: if you do decide to keep the 105 or buy other M42 mount lenses, do yourself a favor and buy a genuine pentax adapter. There are billions of threads on this subject here, but the short version is that your experience with a screwmount lens will be greatly enhanced if you skip the cheaper knock offs and buy a real Pentax accessory. Like 30 dollars I think.

Good luck

03-27-2010, 08:48 AM   #4
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Super Tak 105/2.8

I have lenses that are lighter, sharper, more versatile, easier to use and a LOT more expensive but none are as enjoyable to spend the afternoon with. Its younger brother, a Tamron 90/2.5 macro, is an uncouth lout still learning how to behave in public.

Just fondl . . . er, handling it is a pleasure. Try one with 12- and 24mm extension rings.


03-27-2010, 01:30 PM   #5
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Someone posted a comparison of the 100 against a 105 (not sure if it was the same as yours), and a couple of other lenses too - might have been in the context of a roundup of 85mm-ish lenses? Anyhow, I thought the 100 beat the 105 pretty handily in that comparison. I love my M100/2.8, although I wish it had a built-in hood like the A version or the M120/2.8 & M135/3.5. There's pretty much no way a heavier lens that still lacked an integrated hood and also required an adapter would ever replace the M100/2.8 in my collection.
03-27-2010, 01:38 PM   #6
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The lenses are different optically, with the Super Tak having 5 elements in 4 groups and the M having 5 elements in 5 groups and of course the coatings are different but not the deal breaker you may think. Also, both would require the green button on dSLR. Finally, the Super Tak 105mm is a compact lens as well and has the feel of a ltd with the Tak at 290 grams and the M at 225. That said the, M 100mm is a little more rare and a fine lens. I suggest trying them both out, and selling one later. Cruise the Takumar Lens club and look at image taken with the various versions of the 105mm.
03-27-2010, 03:59 PM   #7
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The 105mm Takumars also have a tapering base that exposes a lot of the camera mount. I think this bothers me just enough to limit my use of my 105mm. I had an M100/2.8 and sold it based on the user opinions for the K version here: Stan's Pentax Photography. I think the K105/2.8 is the same as at least the Super-Multi-Coated version. The opinions on that site may simply reflect a bias against M lenses overall. I never did any direct comparison myself. The K105/2.8 is pretty rare and sells for quite a premium over Takumars or the M100/2.8.
03-28-2010, 04:10 AM   #8
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Original Poster
Thank you all for the replies! It reads pretty much like the mixed bag of advice I already read on various sites. My conclusion would be that if anything is personal in photography, it's preferences around these older lenses and their 'personalities'...

QuoteOriginally posted by germar:
since you already have a 105 in the house, you should do yourself the favor of getting an adapter and giving the lens a spin.
I guess that's right, I should take some time to "get to know her better". I'll be on the lookout for a good deal on an adapter around here.


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