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Thread: old m42 adaptor

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    Member PentaxKx's Avatar
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    old m42 adaptor

    Hi guys,

    I'm new to the forum and new to dSLR. I've just purchased a Pentax K-x with the 18-55 and 55-300 kit lens'. I'm now looking to purchase a prime and was considering either an FA or an old prime Super Tamukar 50mm F1.4 as a portrait lens. Probably go the cheap older prime to start with.

    To run the old M42 screw mounts I will need an adapter. From another thread I read the following...."The old m42 lens work really well on the K-x but make sure you get the adapter that allows focus to infinity, the cheap ones with the flange on E/bay don't. "

    Can someone please point me towards the correct adapter that allows focusing to infinity?

    thanks in advance.

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    Mate if I were you I would grab yourself an "A" or "M" SMC 50mm in f1.7. They are an absolute bargain and the IQ is second to none. The A ones are a bit more user friendly but the M's are half the price for the same IQ. There are f1.4 versions around too but they sell for heaps more and Ive read in a few places the IQ isnt as good but that could be wrong and would be worth researching if thats what your after.
    There are heaps and heaps of old lenses that work perfectly on our DSLR's. I would suggest searching on here as there have been links in the past to info regarding lenses for Pentax cameras.
    Justin

    Samsung GX-10 (K10D) split prism focus screen and B/Grip| Pentax DA 18-55, M50 f1.7| Tamron SP 28-75 f2.8| Sigma 70-300 f4/5.6| Sigma EF-500DG Super Flash|
    Accessories- Cheapie Tripod, wired & IR remotes, Tamrac system3 bag, macro ext. tubes, etc|

  3. #3
    It's all about the Light!
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    G'Day & Welcome - lets see some images in the main forums and have fun!

    Have a read of this thread... http://www.ausphotography.net.au/for...ad.php?t=30767 re: M42
    I agree with TopGunn re; 50mm f/1.7
    regards, Kym Gallery Honest & Direct Constructive Critique Appreciated! ©
    Digital & film, Bits of glass covering 10mm to 500mm, and other stuff



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    Ebay adapter on the left, Pentax on the right:





    The broad flange (shoulder) on the ebay adapter is 0.75mm thick, and it pushes the lens that much further out from the correct mounting position (distance to the film or sensor). The narrow flange on the Pentax adapter sits down into the camera mount and lets the lens sit snug against the lens mount on the camera. You can also see the small spring (dark metal at 4 o'clock in the lower pic) that locks the mount into place.
    Chris

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    you might find this thread useful too from within the AP site

    http://www.ausphotography.net.au/for...ad.php?t=58216
    K7, Pentax DA35Ltd, DA70Ltd, DA18-55WR, DA50-200WR, SMC-K 400f5.6; Sigma 8-16mm; Super TakumarM42 20f4.5, 24f3.5, 28f3.5, 35f3.5, 55f1.8, 135f3.5, SMC 200f4, SMC 85-210f4.5

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    pentakx

    sorry I am not clever enough to put two links in the one reply, but you might find this AP thread useful as well re pentax adapter; go genuine

    cheers,
    Tim
    http://www.ausphotography.net.au/for...ad.php?t=46141

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    It looks as if someone is jumping on the adapter bandwagon. I'd shop around for a genuine one, or at least a replica. It's a good way of using your M42 lenses.
    Alive and still clicking - apologies to PSQ.
    Living and working in the Roaring Forties
    Assorted cameras of all sizes and shapes including Pentax K (the original), MX, Z1,K20D; 50mm 1.2, 35mm 2.0, 85mm 1.8

  8. #8
    Still in the Circle of Confusion Cage's Avatar
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    These mounts are available from Pentax but they wont ship to the antipodes. If you know someone in the USA you could get it shipped to them and then sent on.

    http://www.pentaxwebstore.com/detail/PTX+30120

    Cheers

    Kevin
    Cheers
    Kev

    D600 : D7200 and too much stuff to list

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    Member KevPride's Avatar
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    https://www.crkennedy.com.au/pentax/...php?q=node/166

    Apparently they are still available via "Pentax Aust" for $59, which is a reasonable price to what I have seen on Ebay over the past 12 months.

    "Mount adaptor K - 30120"

    Hope this helps.
    Regards
    Kevin

    Pentax K3, Pentax Tamron Sigma short glass
    Nikon D500. nikkor 200-500 f5.6.

    http://www.flickr.com/photos/kevpride/

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