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09-27-2011, 05:33 PM   #1
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M42s with K-r

I am interested in numerous M42 mount lenses that I want to mount with my K-r. Post if it is possible and sample pictures so it might make me muster up the courage to buy the lenses.

09-27-2011, 06:00 PM   #2
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Yes. M42 screwmount lenses will work with the KR with the proper adapter of course.They will only work in stop down mode which in daylight isn't a problem.You could also use M k mount lenses which will meter when you press the av button or A lenses which the camera can control the aperture,it just won't autofocus.as you can see there a lot of options to choose from.
09-27-2011, 06:06 PM   #3
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Take a look at Lens Sample Photo Archive - PentaxForums.com

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09-27-2011, 07:15 PM   #4
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Take a look at this thread. Lots of examples and good information on how to use these lenses.

Also this thread on using manual lenses such as the M42s.

09-27-2011, 07:19 PM   #5
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QuoteOriginally posted by zorak Quote
They will only work in stop down mode which in daylight isn't a problem..
Not true at all. They will also work in AV mode. You might have to use a bit of EV adjustment as the metering isn't always accurate stopped down.
09-27-2011, 07:26 PM   #6
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I usually have to give it a 1 to 2 EV compensation on my K-r. My K-7 metered perfectly with no compensation, but sacrifices had to be made.
09-27-2011, 08:38 PM   #7
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I have a zillion lenses. The vast majority are screwmount or similar. Using them is no problem, but they're not like using most bayonet-mount lenses. Some of the tricks:

* Exposure: Take test shots, chimp (review) them, adjust the camera settings, and try again.
* Auto Exposure: Many work just fine in Av mode; some must be in M mode. Learn to meter.
* Focus: With my delaminating eyeballs, I depend on Catch-In-Focus and Focus Confirmation.
* Zone Focus: Learn to use the DOF scales on the lenses; prefocus, and shoot from the hip.
* As usual, practice practice practice. They become pretty easy pretty quickly. Don't give up.

Many of the M42 Takumar primes are among the best lenses ever made by anybody. Many M42's by Zeiss, Meyer, Tokioma, Komine, the Russians, and others are no slouches either. And great ones can still be had, CHEAP! Stock up today.
09-29-2011, 04:47 PM   #8
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Thanks for the positive feedback and not calling me a noob.

09-29-2011, 06:44 PM   #9
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I am in the same boat - have a K-r, already have my pentax-made m42 adapter, and am now trying to figure out what Takumars to try out.
09-29-2011, 09:20 PM - 1 Like   #10
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Name-calling doesn't really advance the state of knowledge here. (Doesn't collect me many LIKEs, either -- I'm just here for the lulz.)

What Takumars to get? ALL OF THEM!! Back in the day, Leitz (Leica) and Asahi (Takumar) were neck-and-neck as the world's best lensmakers for 35mm cameras. Both lines have a few relative dogs, meaning they're only better than 96% of everything else instead of 98%. Some Taks are rare collectors' items now. Some are still seriously undervalued. IMHO the really best underrated bargains are the 35/3.5, 55/1.8 or (cheaper) f/2.0, 135/3.5, and Tele-Tak 200/5.6; all these are small and brilliant. The 200/4 is larger but fine. Some not so undervalued (that I know of) are 50/1.4, 105/2.8, and 135/2.5; and don't forget the Macro-Tak 50/4, ultra-sharp.
09-29-2011, 10:40 PM   #11
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QuoteOriginally posted by RioRico Quote
Some not so undervalued (that I know of) are 50/1.4
Thats my main target lol
09-30-2011, 08:27 AM   #12
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QuoteOriginally posted by RioRico Quote
IMHO the really best underrated bargains are the 35/3.5
Oh why did I sell my 35/3.5
09-30-2011, 09:07 AM   #13
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QuoteOriginally posted by jnigo Quote
Thats my main target lol
Look for the 50/1.4 attached to a Spotmatic camera. They tend to sell for less that way. The price of the 8-element has gotten way out of control on evilBay. Of all the M42 lenses I have, the 35/3.5 is probably my favorite, it's a shame I don't use it more.
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