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  1. taffyboy

    taffyboy

    Messages:
    47
    Name:
    David
    Edit My Images:
    Yes
    Can't make up my mind to buy a Tamron 18-400 or a Sigma 100-400 Lens. It will be used on a Nikon D7200. Have trawled the net and read many
    reviews about both lenses; but none are positive one way or the other. Anyone on this forum has/had one of these lenses; if so what was your
    findings. Thanks for any help on this quandary.
     
  2. gramps

    gramps

    Messages:
    30,112
    Edit My Images:
    No
    @mikew has the Sigma 100-400 and might be able to give you some pointers :)
     
  3. mikew

    mikew

    Messages:
    2,283
    Name:
    mike
    Edit My Images:
    Yes
    Ime very happy with the 100-400 for wildlife,if i was younger and fitter i would have a 150-600 but its too heavy for me,what do you want to do with it.

    These are at 400mm

    37195491426_350a1a4546_o.jpg

    36789005156_8c5524fa2f_o.jpg

    These are at 550mm with the 1.4 converter

    36797054801_3ba4caa606_o.jpg

    36541242190_fca444a485_o.jpg

    This is at 290mm with the 1.4 converter

    37150106920_2bf0179d08_o.jpg

    I can put more up if you want.
     
  4. GreenNinja67

    GreenNinja67

    Messages:
    2,669
    Name:
    Terry
    Edit My Images:
    Yes
    The Tamron will be compromised on quality with that zoom ratio.

    Choose the Sigma or try the 150-600 Contemporary.

    An amazing lens. Shame you have a Nikon body, I'm selling my 150-600 in Canon fit
     
  5. taffyboy

    taffyboy

    Messages:
    47
    Name:
    David
    Edit My Images:
    Yes
    Thanks for your reply and photos. I have the Tamron 150-600 but due to health issues am finding it to heavy to carry around.
    I wanted a longer reach lens for some wildlife shots and also off shore boat/ship shots living in Plymouth; as I have the best of
    both worlds ( seascape and landscape, i.e. the moors). I also use a D800 with a 24-120 F4 lens for general walkabout. We only have
    LCE in Plymouth now as a dedicated camera shop. They have the Sigma in stock; but will only order the Tamron if it is a dedicated
    sale. So can't compare them both side by side. Again thanks for your reply.
     
  6. TLR-330

    TLR-330

    Messages:
    1,004
    Name:
    Charles
    Edit My Images:
    Yes
    You are not comparing similar lenses although you are comparing similar numbers. The Tamron is a DX lens. The Sigma is a a full frame lens. So in Nikon crop terms you have to multiply the sigma focal length by 1.5 so it becomes 150-600mm equivalent to DX lenses. I would not buy a lens doing what the Tamron does (but I do have 2 tamron lenses). The more length a zoom tries to cover the less the likely quality.
     
    Last edited: Oct 11, 2017
  7. mikew

    mikew

    Messages:
    2,283
    Name:
    mike
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    Yes
    Similar problem to me then the 150-600s are just too much for me, i have had them up to a couple of years ago and i did borrow one when i was waiting for the 100-400,thats why i tried the 1.4 not the best solution but at least its not heavy.
     
  8. mikew

    mikew

    Messages:
    2,283
    Name:
    mike
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    Not quiet correct the 400mm FOV will be the same with both 400mm lenses,
     
  9. TLR-330

    TLR-330

    Messages:
    1,004
    Name:
    Charles
    Edit My Images:
    Yes
    If you say so, the nikon lenses I have looked at always go narrower when FF is on crop sensor (that on the manufacturer's specification).

    EDIT. Cr@p what I wrote above. You are correct.
     
    Last edited: Oct 11, 2017
  10. Nod

    Nod Kronus

    Messages:
    28,759
    Name:
    Nod (NOT Ethel!!!)
    Edit My Images:
    Yes

    Might be worth a call to Mifsuds up in Brixham to see if they have both in stock. They might even have 2nd hand ones. No Jessops in Plymouth these days? Again, might be worth a call to their Exeter store.
     
  11. chris malcolm

    chris malcolm

    Messages:
    1,036
    Name:
    Chris
    Edit My Images:
    Yes
    One lens has the big virtues of bigger aperture and better optical quality, the other has the advantage of much lighter weight and focal length versatility. It's comparing melons and grapes. If you're finding it so hard to choose between them, that is perhaps an indication that you should buy both. :)
     
  12. snerkler

    snerkler

    Messages:
    9,974
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    I used the sigma 100-400mm at Silverstone this year. IQ is very good. OS isn't great though, you can barely see it working though the viewfinder so I don't think it will give you many stops image stabilisation.
     
  13. mikew

    mikew

    Messages:
    2,283
    Name:
    mike
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    Did you put it on the dock and change it, i can see it working in mine now, i think its called active.
     
  14. snerkler

    snerkler

    Messages:
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    Don't have a dock. Weird it's not great straight out of the box.
     
  15. mikew

    mikew

    Messages:
    2,283
    Name:
    mike
    Edit My Images:
    Yes
    When i had my 150-600 c it wasn't set to active when i got it, as you say weird.
     
    snerkler likes this.

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