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  1. #11
    Steve Smith's Avatar
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    Quote Originally Posted by tony lockerbie View Post
    Without a doubt it would have to be the 1.4 Takumar for your SP, anything else is just sacrilege.
    Not sure about sacrilege!!! My SP500 came with the f2 lens and I even got the original packaging which has "Pentax SP500 with Super Takumar 50mm f2.0 lens" printed on the box.

    But I agree with you in principle!




    Steve.

  2. #12
    Ian Grant's Avatar
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    Quote Originally Posted by tony lockerbie View Post
    Without a doubt it would have to be the 1.4 Takumar for your SP, anything else is just sacrilege. Prices are on the way up, but they are still a bargain, and don't dismiss the older single coated Super Takumar, still a great lens, and one I actually prefer for B&W.
    The older Super Takumars are Coated that doesn't mean "Single Coated" multiple coating was first used by Zeiss in 1938 although probably only became more prevalent in the late 50's & 60's.

    What Pentax introduced was Super Multi=coating based on technology developed in conjunction with Zeiss.

    Ian
    Last edited by Ian Grant; 03-01-2010 at 09:56 AM. Click to view previous post history. Reason: typo

  3. #13

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    Best 50mm M42 lens

    If you can accept 55mm instead of 50mm then some of the nicest ones are the 55/1.8 SMCT and 55/1.8 SMC. The 55/2 versions of these lenses seem to be the same but with different markings. The 50/1.7 Alpa (Chinon) is a very good lens. It was made for the Si 2000 (also a Chinon) and focuses to about 1:3.

  4. #14
    darinwc's Avatar
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    I'm surprised no one has thrown around some Zeiss weight yet.
    I dont have one, so I can't comment.
    Go not to the elves for counsel, for they will say both yes and no.

  5. #15
    swittmann's Avatar
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    I have a Carl Zeiss Jena Biotar 1:2 5,8 cm T lens with M-42 mount on my Praktica MTL 5 B, which I really love. Someone gave it to me as a gift several years ago. I like it for its contrast and sharpness as well as for its build quality.

  6. #16

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    I have an MC Flektogon 2.4/35 Carl Zeiss Jenna DDR S/N 47786 that I like a lot.

  7. #17
    Steve Smith's Avatar
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    Quote Originally Posted by darinwc View Post
    I'm surprised no one has thrown around some Zeiss weight yet.
    I dont have one, so I can't comment.
    We had Zeiss lenses mentioned on a thread a couple of weeks ago when I asked about the 135mm Zeiss Sonnar in M42 mount which I got amongst a load of other stuff at a sale.


    Steve.

  8. #18
    KenS's Avatar
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    Quote Originally Posted by ruilourosa View Post
    i am shopping and wonder what is the best, or one of the best lens for my spotmatic around the 50mm focal!

    thanks
    If you are looking for the "ultimate" in Pentax lenses but could live with 85 mm., might I suggest the Pentax 85mm Ultra-Achromatic. (No 'glass'... elements are fluorite and quartz... for imaging in the UV to IR range)

    Ken
    Quando omni flunkus moritati (R. Green)

  9. #19

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    Is that a CZ Jena Sonnar? Or a CZ Sonnar? That makes a difference.

    As to the "best" question, you'll get all kinds of answers. Because all of these "what is the best" questions will get all kinds of responses.

    At a certain point with the Japanese cameras, there wasn't a whole of performance difference between many of the 50mm lenses, as most were based on the Carl Zeiss Planar.

    I'm a big fan of the Planar, which is available in a number of mounts, including M42.

  10. #20
    darinwc's Avatar
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    "
    At a certain point with the Japanese cameras, there wasn't a whole of performance difference between many of the 50mm lenses, as most were based on the Carl Zeiss Planar.
    "

    I think the original Planar design was 5 elements in 4 groups.
    Over time the Planar name became more of a brand than a specific design, as there are 6 element and 7 element designs.
    And even though a lens may have the same elements and groups, the exact curvature of the surfaces and order of the groupings vary quite a bit.
    Heres some snippets from the web:

    new version:
    Zeiss calls this the Zeiss Planar T* f/1,4 50 mm ZF
    Optics: 7 elements, 6 groups. T* brand multicoating.

    canon FD:

    Canon FD 55mm F1.2AL
    Lens Composition: 6 components 8 elements.

    New FD 50 mm f/1.2L
    Lens construction: 6 groups, 8 elements

    New FD 50mm f/1.4
    Lens construction :6 groups, 7 elements

    New FD 50mm f/1.8
    Lens construction: 4 groups, 6 elements

    Nikon:
    AF Nikkor 50mm f/1.4D
    Lens construction 7 elements in 6 groups

    Nikkor Ai :
    Focal length/Aperture: 50mm f/2.0;
    Lens construction: 6 elements in 4 groups
    Focal length/Aperture: 50mm f/1.2
    Lens construction: 7 elements in 6 groups
    Focal length: 50mm; Maximum aperture: 1: 1.4
    Lens construction: 7 elements i n 6 groups
    Focal length: 50mm; Maximum aperture: 1: 1.8
    Lens construction: 6 elements in 5 groups

    pentax:
    50mm f1.4 .. 8-element Super-Takumar (M42 screwmount) with one radioactive (!) element
    50mm f1.4 .. classic 7-element Super-Takumar

    olympus:
    Type: Zuiko AUTO-S 50mm f/1.2
    Lens construction: 6 groups, 7 elements

    Zuiko 50mm f/1.4
    Lens construction: 6 groups, 7 elements

    Zuiko 50mm f/1.8
    Optical Construction: 6 elements in 5 groups; older version: 5 groups, 6 elements
    Go not to the elves for counsel, for they will say both yes and no.

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