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Thread: Compatibility of TC's

  1. #1
    D750 Shines cupic's Avatar
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    Compatibility of TC's

    I have a sigma 70-200 f/2.8 HSM II and its well know that the Sigma 1.4XTC is not compatible with the pentax mounted siggy.I really want to use a TC with this lenses so I do have others,namely
    Tamron-F 1.4X Pz AF MC4 98-280mm range has HSM contacts
    Pentax F 1.7X 119-340mm range doesnt have HSM contacts
    Kenko Pz AF 1.5C Teleplus SHQ 105-300mm range has HSM contacts

    which has better IQ


    cheers




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    Nikkor 300mm f/4E PF ED VR, Nikkor 16-35mm f/4 VR, Nikkor 70mm-300mm VR, 35mm DX f/1.8, 50mm D f/1.8, 85mm D f/1.8, Tokina 11-16mm f/2.8, Tokina 100mm f/2.8, Tamron 60mm f/2 , Tamron SP 24-70mm f2.8 VC Di

  2. #2
    D750 Shines
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    No one has an opinion!

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    Member KevPride's Avatar
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    Hi, I have used both the Tamron 1.4 & Siggy 1.4 on my Sigma f4 100-300, the image quality did not appear any different.

    Hope that 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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    Don't know about your specific ones but the siggy 1.4 works better on a siggy than the canon 1.4
    Thanks Steve
    Winer of the sheep week 2 + 6
    www.atkimages.com.au "If your pictures aren't good enough, you're not close enough," ROBERT CAPA"
    Tokina 16-28 f2.8 PRO FX,Sigma 500 4.5 Ex DG, Canon 5D Mii, Canon 7D, Canon 2x converter,Canon 70-200 2.8 L,
    Sigma 120-300 2.8 EX, Sigma 24-70 2.8 EX, Canon 1.4x converter, Canon 580 ex 2 speed light
    And two canon kit Lenses.

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    Quote Originally Posted by KevPride View Post
    Hi, I have used both the Tamron 1.4 & Siggy 1.4 on my Sigma f4 100-300, the image quality did not appear any different.

    Hope that helps.
    Thanks for that kevin.I have tried the 1.4 siggy amd Tamron on my copy 100-300 f/4,but since Im going to the ashes in Sydney thats the need for the 70-200mm f/2.8,any bigger than 200 focal length not allowed.Sigma states that on there website the Sigma 1.4 TC in not compatible with this lenses.So I figure out with the forum resources which would work best ,the tamron ,the kenko or the Pentax TC


    cheers

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    Quote Originally Posted by cupic View Post
    Thanks for that kevin.I have tried the 1.4 siggy amd Tamron on my copy 100-300 f/4,but since Im going to the ashes in Sydney thats the need for the 70-200mm f/2.8,any bigger than 200 focal length not allowed.Sigma states that on there website the Sigma 1.4 TC in not compatible with this lenses.So I figure out with the forum resources which would work best ,the tamron ,the kenko or the Pentax TC


    cheers
    Are you sure

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    To which part or your referring to Atky?


    cheers

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    Last edited by atky; 04-10-2010 at 5:05pm.

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    Quote Originally Posted by atky View Post



    http://www.sigma-photo.co.jp/english/acc/condaitr.htm


    SIGMA APO TELE CONVERTER 1.4x EX DG for Pentax mount and APO TELE CONVERTER 2x EX DG for Pentax mount are not compatible with lenses epuipped with HSM. Therefore, these Tele Converters cannot be used with the APO 50-150mm F2.8 II EX DC HSM for Pentax mount and APO 70-200mm F2.8 II EX DG MACRO HSM for Pentax mount.

    Please refer to the list below for compatibility of Sigma Tele Converters.
    APO TELE CONVERTER 1.4x EX DG for Pentax mount

    It is possible to use AF
    APO 70-200mm F2.8 EX DG, APO 70-200mm F2.8 EX
    APO 100-300mm F4 EX DG, APO 100-300mm F4 EX IF
    APO 300mm F2.8 EX DG, APO 300mm F2.8 EX

    It is only possible to use MF
    APO 50-500mm F4-6.3 EX DG, APO 50-500mm F4-6.3 EX RF
    APO MACRO 180mm F3.5 EX DG, APO MACRO 180mm F3.5 EX IF
    APO TELE MACRO 300mm F4, APO TELE MACRO 400mm F5.6
    APO 500mm F4.5 EX DG, APO 500mm F4.5 EX
    APO 800mm F5.6 EX DG, APO 800mm F5.6 EX
    APO TELE CONVERTER 2x EX DG for Pentax mount

    It is possible to use AF
    APO 70-200mm F2.8 EX DG, APO 70-200mm F2.8 EX
    APO 300mm F2.8 EX DG, APO 300mm F2.8 EX

    It is only possible to use MF
    APO 50-500mm F4-6.3 EX DG, APO 50-500mm F4-6.3 EX RF
    APO 100-300mm F4 EX DG, APO 100-300mm F4 EX IF
    APO MACRO 180mm F3.5 EX DG, APO MACRO 180mm F3.5 EX IF
    APO TELE MACRO 300mm F4, APO TELE MACRO 400mm F5.6
    APO 500mm F4.5 EX DG, APO 500mm F4.5 EX
    APO 800mm F5.6 EX DG, APO 800mm F5.6 EX

    Sigma lenses, except hose in the above list, cannot be attached to Sigma Tele Converters. Sigma APO Tele Converter 1.4x and 2x are dedicated to Tele Converter lenses, which should only be used with the above lenses.

    Please do not use the APO Tele Converter on top of another APO Tele Converter, or any other kind of converters.

    cheers
    Last edited by cupic; 04-10-2010 at 11:03pm.

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    Member Error99's Avatar
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    Sorry, I'm not much help.
    My only experience is with Canon TC's.
    A lot of people don't like the Canon 2X, but I find in good light it's really good, but when it's overcast the IQ does seem to drop off a bit.
    seeya in the soup
    Ian

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    I thought there might have been a few more in the pentax family to share but seems not too many are using TC's

    cheers

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    Member JayR's Avatar
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    Im at a loss to work out how compatibility goes between them and various lenses so im of no help. but im not a bird watcher either, so probably can get away with my FA 100-300 as is.

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    I have the Kenko TC. It has pretty decent IQ, I use it with a DA*50-135.

    The SDM works fine with it.

    Jack

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