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Time to play "Guess the lens" again, please

Discussion in 'Lens Lust' started by Pa, Apr 6, 2007.

  1. Just fiddling around today, and decided to compare my two least expensive lenses: Nikkor 50/1.8 and Tamron SP 90mm macro MF. Tripod mounted, MLU, f/5 for both. The 50mm image is cropped to approximately the same magnification as the 90mm image, which is uncropped.

    Which is which?





    Thanks for playing.
    Last edited by a moderator: Apr 6, 2007
  2. snownow


    Jul 13, 2006
    so cal
    Nikon #2?
  3. Donzo98


    Nov 10, 2005
    Merrick, NY
    Tamron.... 2
  4. lisantica


    Jul 4, 2006
    So. Calif.
    I'd have to hope that the Tamron was #2. Much sharper, at least on my monitor.

  5. Tamron 1. 50/1.8 is image 2
  6. #2 is sharper and that makes it the Tamron to me.
  7. The second has a greater depth of field, so I guess that is the cropped image and therefore the 50.
  8. Leonardo


    Dec 19, 2006
    I'd guess #2 is the 50mm.
  9. gt6jim


    Feb 15, 2007
    Worcester, UK
    No.2 is Nikkor
  10. Anybody else?
  11. dlee79


    Sep 2, 2006
    Los Angeles, CA
    #2 Nikkor
  12. JoeG


    Nov 2, 2006
    Tyrol, Austria
    same idea here...
  13. sonuj2


    May 11, 2006
    Naperville, IL
    I'd say Tamron is #2
  14. O.K. I'll reveal the truth, as I know you all are waiting with bated breath.

    Nine out of thirteen respondents got it right; #2 was taken with the Nikkor 50/1.8. Either you folks know your lenses, or you used the obvious clue that #1 is the only one with the aspect ratio of an uncropped image.

    Frankly, I was surprised by this result. I really expected the dedicated macro lens to produce a sharper image. Of course it will focus much closer and will give 1:2 magnification. However, I can get that with the 50 by cropping, and apparently with increased resolution!
  15. lisantica


    Jul 4, 2006
    So. Calif.
    WOW! Yes, I'm shocked. I was definitely one of those who thought a dedicated macro lens would produce a sharper image!
    Glad I kept my little 50mm 1.8 lens....never even thought of using it for macro!
    Thanks for telling us, I kept clicking back into this thread to find out the results :biggrin:

  16. Yes, the "nifty fifty" wins again!

    I must point out, however, that the Tamron SP 90 that I have is an older manual focus lens, and may not be representative of what the current version is capable of.
  17. #2 is Nikkor

    OOPS! a little late
  18. Hey, you're right!
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