• Tamron 17-50 f2.8
  • Sigma 24-70 f2.8
  • Canon 24-105 IS F4 L
  • The sigma shall sparkled you! - Darren Pang
  • POISON! I wan! ha! - KalvinKhoo

Tamron vs Sigma vs Canon

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there shall be only 1 standing in the end

Tamron 17-50 f2.8 vs Sigma 24-70 f2.8 (non HSM) vs Canon 24-105 IS F4 L

The Tamron 17-50 f2.8
Sharpness: Sharp (4/5)
AF Speed: slow (3/5)
Low light AF: Fast (5/5)
Usable range for event: (4/5)
Ideal lens to be partner: Tokina 11-16mm f2.8 and 70-200mm f2.8

Sigma 24-70 f2.8 DG Macro
Sharpness: Moderate Sharp (3/5) can be very soft at certain range
AF Speed: Moderate (4/5)
Low light AF: Hunt + Slow (3/5)
Usable range for event: (3/5)
Ideal lens to be partner: Tokina 12-24mm f4 and 70-200mm f2.8

Canon 24-105 IS F4 L
Sharpness: Sharp (5/5)
AF Speed: Fast (5/5)
Low light AF: Sometimes hunting (4/5)
Usable range for event: (4/5)
Ideal lens to be partner: Tokina 12-24mm f4
sample of sharpness @100% crop

Stobe info:
Nikon Sb80DX on cam right at 1/32 @ 24mm
Canon 580 EX II on cam eTTL.

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View 8 more comments

  1. madewira [deleted] 62 months ago | reply

    wow.. useful review

  2. -go crazy 62 months ago | reply

    hey, i want to buy the 24-105mm but i dont know if the 4F is enough for low light.. i suppose the L lens elements are brighter though.
    & is IS a good alternative to the 2.8F ?

  3. www.vincentpang.ws 62 months ago | reply

    good enough if u have 5D MK II :) boost up the ISO... NO IS is not an alternative nor replacement for f2.8... it's just handy to have IS when you are shooting at the tele end 105mm @ 1/30s :)

    f2.8 will give you a faster shutter but at the cost of thinner DOF. Because of that, i still shoot at f3.5 - f4 to be on the safe side.

  4. -go crazy 62 months ago | reply

    Oh DoF is not an issue for me, i actually love a good blur effect for portraits! i consider buying a canon 40D. i think the 24-70 is better for my needs. thank you!

  5. Alberto Feltrin 61 months ago | reply


    The Tamron 17-50 f2.8
    Sharpness: Sharp (5/5)
    AF Speed: slow (4/5)
    Low light AF: (5/5)

    and it's a bargain lens! :)

  6. www.vincentpang.ws 61 months ago | reply

    yup agreed that it's a bargain lens :) no doubt about it :)

  7. T-N-P- 57 months ago | reply

    I love my Tamron 17-50mm on my xti!! But I'm selling it ONLY because I'm moving up to a 5d mark II. I feel I need that range though, I can't afford to buy the camera and a canon 24-70 f/2.8 (which I would choose over the 24-105 mainly for the 2.8 aperture) I am going with the sigma 24-70mm 2.8.

    What do you think about the tamron 28-75 f/2.8?

  8. Alberto Feltrin 57 months ago | reply


    do you mean the new sigma "HSM" or the old one "macro"!?! because the new "HSM" version costs as much as the canon one!

  9. www.vincentpang.ws 57 months ago | reply

    i found the tamron 28-75mm f2.8 to be slightly sharper and more accurate in AF than the sigma. I was told it is the same as the 17-50mm f2.8 except it's 28-75mm

  10. www.vincentpang.ws 50 months ago | reply

    the tammy is a great lens if u ask me

  11. Alberto Feltrin 50 months ago | reply

    yes, i use it @f9 in party shots and it is amazingly sharp! and it's really cheap!!!

  12. T-N-P- 50 months ago | reply

    I was actually able to afford getting the 24-70L back in September. Love it and works great on full frame!

  13. Electric Violin Shop 49 months ago | reply

    I bought SD780IS about a month ago and I couldn't have been happier. I've taken about 500 photos so far and 50 video clips and they're all perfect!

  14. kk7k 49 months ago | reply

    Hi, I'm an admin for a group called MY FLICKR FAV's (Invite a Friends Photo), and we'd love to have this added to the group!

  15. lenovo_T500 42 months ago | reply

    Hey do you have any other comments about the Tamron 17-50 f2.8? Thanks!

  16. Alberto Feltrin 42 months ago | reply

    it's a great lens :)

  17. Joe Papagoda 42 months ago | reply

    What are the sigma lenses made from? The material looks so different than others.

  18. Alberto Feltrin 42 months ago | reply

    it's a different finish, however, they are changing it in the new ones.. look farm5.static.flickr.com/4122/4911619303_9a1c561a73_b.jpg

  19. www.vincentpang.ws 42 months ago | reply

    not sure wat's the material, look like some sort of matte coating which has tendency to peel after some use. It's great that they are changing the finishing as pointed by Alberto Feltrin.

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