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Thread: k10d with 18-200

  1. #1

    Default k10d with 18-200

    hi,

    Thinking of getting K10D with the following question :

    Can Tamron/sigma 18-200 use on K10D ? if CAN, any review of their IQ ?

    Thankyou very much.

  2. #2

    Default Re: k10d with 18-200

    Quote Originally Posted by ahlow View Post
    hi,

    Thinking of getting K10D with the following question :

    Can Tamron/sigma 18-200 use on K10D ? if CAN, any review of their IQ ?

    Thankyou very much.
    can.

    There's also a 18-250.

    IQ won't be that hot, but should be generally acceptable.

  3. #3

    Default Re: k10d with 18-200

    Quote Originally Posted by dnaxe View Post
    can.

    There's also a 18-250.

    IQ won't be that hot, but should be generally acceptable.
    Which 1 have better iq ? 18-250 or 18-200 ? Do you know the market price for 18-250 ?

    Thankyou.

  4. #4

    Default Re: k10d with 18-200

    Quote Originally Posted by ahlow View Post
    Which 1 have better iq ? 18-250 or 18-200 ? Do you know the market price for 18-250 ?

    Thankyou.
    $499 from amazon.com, but you'll need a friend in the US.

    Local price for the 18-200 i dont' know.

    The 18-200 is likely to have better iq - generally the lower the zoom ratio the better the iq, but it's hard to tell what the difference is yet because there are no reviews of the 18-250 out.

    I suspect it'll depend more on sample variation (i.e. how well the particular lens you buy is built) rather than anything else.

  5. #5

    Default Re: k10d with 18-200

    Quote Originally Posted by dnaxe View Post
    $499 from amazon.com, but you'll need a friend in the US.

    Local price for the 18-200 i dont' know.

    The 18-200 is likely to have better iq - generally the lower the zoom ratio the better the iq, but it's hard to tell what the difference is yet because there are no reviews of the 18-250 out.

    I suspect it'll depend more on sample variation (i.e. how well the particular lens you buy is built) rather than anything else.
    18-250 available already? so far i see all 'in stock soon'

  6. #6

    Default Re: k10d with 18-200

    Quote Originally Posted by dnaxe View Post
    $499 from amazon.com, but you'll need a friend in the US.

    Local price for the 18-200 i dont' know.

    The 18-200 is likely to have better iq - generally the lower the zoom ratio the better the iq, but it's hard to tell what the difference is yet because there are no reviews of the 18-250 out.

    I suspect it'll depend more on sample variation (i.e. how well the particular lens you buy is built) rather than anything else.
    Thanks again

  7. #7

    Default Re: k10d with 18-200

    Quote Originally Posted by direwuff View Post
    18-250 available already? so far i see all 'in stock soon'
    The announced ship date before it stated "available soon" was Jan 15th - but I didn't order and so I don't know...

  8. #8

    Default Re: k10d with 18-200

    anyone have these lenses? tamron or sigma better?

  9. #9
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    Default Re: k10d with 18-200

    I happened to have Tamron AF 28-200/3.8-5.6 and Sigma AF 24-135/2.8-4.5 (both K-mounts). Between the 2 super-zooms, Tamron seems to have a slight edge over Sigma in terms of IQ... but the difference is not a lot.

    Of the major 3rd-party manufacturers, I noted that Sigma seems to do better in wide/macro lenses. Most of my wide lenses are Sigmas (50mm macro, 24mm, 16mm). Tamron is good in 'holiday lens' zooms and super-zooms/hyper-zooms, while Tokina seems to fare well in tele-lenses (I have yet to try the Tokina wide-zooms, so I cannot comment on those). Just my current observation and a broad sweeping statement... YMMV
    Last edited by alvinsclee; 7th February 2007 at 12:47 AM.
    * Take only pictures, leave only footprints, kill only time... and live a life! *
    :) Alvin

  10. #10
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    Default Re: k10d with 18-200

    I like the Tamron 18-200mm better... Tried out one in Cathay, picture quality quite good.

  11. #11

    Default Re: k10d with 18-200

    I did alot of research on the net for the 2. The Tamron was rated at having better built quality while the sigma was optically better. I chose the better quality. But you need to know this is relative, while the sigma was better than the tamron. overall both's image quality invariably will not satisfy if your standards are high. the sigma cost around S$700 from John 3:16 . The strength of these lenses are the coverage. 18mm wide to 200-250mm zoom. No need to change lens! That being said , IQ is adequate for most general purposes such as family outing, holiday pics, etc.

  12. #12

    Default Re: k10d with 18-200

    Quote Originally Posted by airconvent View Post
    I did alot of research on the net for the 2. The Tamron was rated at having better built quality while the sigma was optically better. I chose the better quality. But you need to know this is relative, while the sigma was better than the tamron. overall both's image quality invariably will not satisfy if your standards are high. the sigma cost around S$700 from John 3:16 . The strength of these lenses are the coverage. 18mm wide to 200-250mm zoom. No need to change lens! That being said , IQ is adequate for most general purposes such as family outing, holiday pics, etc.
    hi, do you have any links showing sigma is optically better? because i just read cameralab.com shootout of 18-200s, seems like the tests show tamron better except for the outdoor test..

  13. #13
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    Default Re: k10d with 18-200

    ALL PRICES ARE EXCLUDING GST!

    From Cathay Photo:
    1) Tamron 18-200 mm Pentax Mount @S$620.00
    2) Pentax 14mm F2.8 @S$820.00
    3) Pentax 21mm @S$670.00
    4) Pentax 10-17mm @S$680.00
    5) Pentax 12-24mm @S$1125.00
    6) Pentax 100mm macro @S$735.00

  14. #14

    Default Re: k10d with 18-200

    Quote Originally Posted by direwuff View Post
    hi, do you have any links showing sigma is optically better? because i just read cameralab.com shootout of 18-200s, seems like the tests show tamron better except for the outdoor test..
    not anymore. you can try and google it. I saw a comparison review in a photography magazine (can't remember which) that my colleague borrowed from the library. All I know is looking at the sample images, the sigma did look better.
    there was actually a magazine with a 18-200 review between the 2 that i came across at Toa Payoh library but some selfish idiot tore the whole article out (yes! all the pages on the review had been removed!) apparently, he/she had never heard of a photostat machine.

  15. #15
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    Default Re: k10d with 18-200

    Quote Originally Posted by airconvent View Post
    not anymore. you can try and google it. I saw a comparison review in a photography magazine (can't remember which) that my colleague borrowed from the library. All I know is looking at the sample images, the sigma did look better.
    there was actually a magazine with a 18-200 review between the 2 that i came across at Toa Payoh library but some selfish idiot tore the whole article out (yes! all the pages on the review had been removed!) apparently, he/she had never heard of a photostat machine.
    Here is the review...
    http://www.epinions.com/content_192627838596
    * Take only pictures, leave only footprints, kill only time... and live a life! *
    :) Alvin

  16. #16

    Default Re: k10d with 18-200

    Quote Originally Posted by alvinsclee View Post
    that's more like a user report tho instead of a proper review

    http://www.cameralabs.com/reviews/Tamron18200mm/

    has a shootout between sigma, tamron, nikon; tamron seems pretty ok there

  17. #17
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    Default Re: k10d with 18-200

    Quote Originally Posted by direwuff View Post
    that's more like a user report tho instead of a proper review

    http://www.cameralabs.com/reviews/Tamron18200mm/

    has a shootout between sigma, tamron, nikon; tamron seems pretty ok there
    My earlier post mentioned that Tamron seems to have a slight edge over Sigma when I compared the 2 slightly different super-zooms... again it's more of a personal opinion. Someone asked for 'proof' that Sigma is optically better, so I found a user's review for that too.

    I guess the best lens is one which produce photos that appeal to the user most, despite all that 'measurbation' shootouts. What is off-focus to some is bokeh to others
    Last edited by alvinsclee; 7th February 2007 at 12:48 AM.
    * Take only pictures, leave only footprints, kill only time... and live a life! *
    :) Alvin

  18. #18

    Default Re: k10d with 18-200

    Do a google...there are alot of "personal" opinions out there.
    I believe the different camps ended up with bad batches which is why some saw the tamron images as flawed while other saw the same for the sigma. overall, I doubt I can see the difference in real life if I don't scrutinise the images with the a magnifying glass!
    But personally for me also, the sigma lens look nicer. the gold rings on the tamron look so "uncle" for me (although I am an uncle myself..haha).

  19. #19

    Default Re: k10d with 18-200

    Frankly, as I said, it's all down to sample variation.

    I suspect that if the manufacturing tolerences were tighter, the lenses would be uniformly excellent - indistinguishable sharpness to the nikon 18-200.

  20. #20

    Default Re: k10d with 18-200

    I think end user...like me using DSLR as P&S and print not bigger than A4, both lense should be ok right ?

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