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  1. #1
    Join Date
    Nov 2006
    Posts
    5

    tamron 18-250 on K10?

    I've had a sony 707 for a few years and have decided to upgrade. I like the all in one versatility (and also like not having to worry about dust on the sensor with changing lenses) but really want the larger size sensor that the dslr's have. Only sony and pentax offer dslr's with anti-shake. Sony has a kit including an 18-200 for $1200 which sounds good to me. But from what I hear, the pentax may be better built (ie: "weather proofed"). But pentax has nothing like the 18-200 lens. So, will the pentax anti-shake still work if I put the tamron lens on it?
    Thanks for any imput on this.

  2. #2
    Join Date
    Oct 2004
    Posts
    2,124
    Your FAR better off buying kit lens and 50-200 pentax.

    Tim

  3. #3
    Join Date
    Dec 2004
    Location
    Melbourne, Australia
    Posts
    884
    Quote Originally Posted by timmciglobal View Post
    Your FAR better off buying kit lens and 50-200 pentax.

    Tim
    Agreed the super zooms are not fantastic quality...

    BTW if you really want it the Sony 18-200 is in fact the Tamron 18-200 so you can get the same lens for Pentax (ie Tamron 18-200 in pentax mount)..
    ------
    Joel - Canon 50d, EF16-35/2.8 Mk1, Σ 50/1.4, EF100/2.8 Macro, EF70-200/4 IS, 430EX II
    http://www.eisner.id.au

  4. #4
    Join Date
    Mar 2005
    Location
    Rochester,New York
    Posts
    464
    So, will the pentax anti-shake still work if I put the tamron lens on it?
    Thanks for any imput on this.
    And yes..the anti-shake is built into the body of the Pentax, so it will work with the Tamron lens.
    Doug
    Pentax K200D,Pentax 18-250,Sigma 70-300 APO DG macro
    Kodak Z915
    http://picasaweb.google.com/pas49ras

  5. #5
    Join Date
    Nov 2006
    Posts
    5
    Thanks for the input. I Knew I'd be sacrificing some quality with a super zoom compared to 2 different lens. But I also figure that even with a 18-200 I'd get better pix from the K10 than I'd get with any of the non SLR all-in-one's with the much smaller sensors. True?
    Also, If I went with an 18-135 (like the new nikon lens) would that offer me appreciably better quality pix than an 18-200?

  6. #6
    Join Date
    Dec 2004
    Location
    Melbourne, Australia
    Posts
    884
    Quote Originally Posted by pict View Post
    Thanks for the input. I Knew I'd be sacrificing some quality with a super zoom compared to 2 different lens. But I also figure that even with a 18-200 I'd get better pix from the K10 than I'd get with any of the non SLR all-in-one's with the much smaller sensors. True?
    Also, If I went with an 18-135 (like the new nikon lens) would that offer me appreciably better quality pix than an 18-200?
    Sigma 18-125 is better quality (both resolution and distortion) than the 18-200.
    ------
    Joel - Canon 50d, EF16-35/2.8 Mk1, Σ 50/1.4, EF100/2.8 Macro, EF70-200/4 IS, 430EX II
    http://www.eisner.id.au

  7. #7
    Join Date
    Oct 2004
    Posts
    2,124
    Not true.

    Sensor size is only an issue in terms of ISO noise not in terms of optical quality.

    The lens on the panasonic FZ-50 is superior to the 18-200 tamron in many ways.

    Tim

  8. #8
    Join Date
    Nov 2006
    Posts
    3
    I recently purchase the Tamron 18-200 to use with my ist DL. I did one test of shooting a brick wall at 1/60 F8 50mm at about 3' with a 50mm 1.7, 18-55mm(kit) and the Tamron. Very similar sharpness. The kit had a little more contrast and saturation. AF speed is also a draw(realizing the zoom ranges of the lens). I am thinking of selling the 50mm and the 18-55mm because the quality is comparable to me and I like the simplicity of only one lens. I can get closer for macro type shots with the kit, however.

  9. #9
    Join Date
    Oct 2004
    Posts
    2,124
    Try same test @ 200 where the 18-200 is weakest.

    Tim

  10. #10
    Join Date
    Nov 2006
    Posts
    3
    Quote Originally Posted by timmciglobal View Post
    Try same test @ 200 where the 18-200 is weakest.

    Tim
    Unfortunately, the 50mm and the 18-55mm don't have a 200mm setting.

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