The Tamron 17-50/2.8 Di II VC is an update of the earlier, non stabilized Tamron 17-50/2.8 Di II. "VC" or Vibration Compensation is Tamron's equivalent to Canon's IS (Image Stabilization) and Nikon's VR (Vibration Reduction).
The Tamron 17-50/2.8 Di II VC is an update of the earlier, non stabilized Tamron 17-50/2.8 Di II. "VC" or Vibration Compensation is Tamron's equivalent to Canon's IS (Image Stabilization) and Nikon's VR (Vibration Reduction).
A full Tamron 17-50mm f/2.8 XR Di II VC Lens review is planned, but here is a quick lab-only review: Preliminary findings from lab-only testing have been somewhat disheartening however. You can see the image quality results in the ISO 12233 resolution chart link above.
This high-speed digital only ultrawide ($650, street) upgrades Tamron's nonstabilized 17–50mm f/2.8 ($460, street). Like the earlier lens (which remains in the lineup), this version uses an Extra Refractive (XR) element, two elements of low dispersion, and three of compound aspheric glass-adding up...
I bought this lens a few days ago. It seems good built, pictures are good quality and sharpness. I don`t like zoom ring, it`s little stiff (at least for me). When you turn on VC, you can really hear it. I have made abot 200 fotos; AF is working good.
good picture quality; good sharpness
zoom ring a bit stiff; you can hear VC
The Tamron SP AF 17-50mm f/2.8 Di II VC is a standard zoom lens designed for primary shooting duties. The lens aims to stand out for its f/2.8 designation, which is a fast, open aperture designed for low light shooting.
Tamron SP AF 17-50mm f/2.8 XR Di II LD ASPH (IF) is one of the first 3rd-party standard zoom lenses designed for the APS-C size bodies. Prices at about US$370 (as of October 2007) the lens is quite affordable for the mainstream consumers.
The Tamron AF 17-50mm F/2.8 SP XR Di II VC is an optically stabilized version of Tamron's 17-50/2.8 Di II, though the two lenses do not share exactly the same optical design. The "VC" version has one less XR glass element, but one more LD and one more aspherical element.
Because of the increasing popularity of digital SLR cameras, Tamron has been upgrading their line of lenses to the "Digitally integrated" (Di) standard, employing methods discussed in our Technology sidebar.
Originally posted 2006-06-26 on Optyczne.pl In February 2006 Tamron introduced three new lenses. Of these, the Tamron SP AF 17-50 mm f/2.8 XR Di II LD ASPHERICAL [IF] looked especially interesting, which like all Tamrons models, could easily compete in a long name contest.
visible chromatic aberration; vignetting at the whole focal length range (although the vignetting is even bigger for competitors at the same price range,; visible coma at f/2.8
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