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Archive 2016 · Need some help about Tamron SP A09 28-75 f2.8
  
 
maneuver
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p.1 #1 · p.1 #1 · Need some help about Tamron SP A09 28-75 f2.8


When I searched for this lens I saw two version of this lens
1.With aperture ring
2.Without aperture ring
So my question is, is there a different between them(like image quality)



Oct 10, 2016 at 03:19 PM
jcolwell
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p.1 #2 · p.1 #2 · Need some help about Tamron SP A09 28-75 f2.8


In many cases, the lens version without a manual aperture ring is for Canon EOS, and those with are for Nikon and other mounts. In this case, the Canon, Nikon, and Sony mounts are without, but the Pentax-KAF version is with. I figured this out with a quick visit to B&H. They would all have identical IQ.

The primary consideration is probably "what mount do I need", according to the camera you'd use it on. If you're going to use a camera that's not fully compatible with the AF and aperture control, then it might make sense to get the Pentax with manual aperture, provided there's a Pentax-K to whatever adapter available for your 'whatever' camera.

P.S. welcome to FM.



Oct 10, 2016 at 04:12 PM







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