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Tamron EF 24-70 f/2.8 VC in Stock & Quick MTF Review
Matthew Saville:
--- Quote ---"The Tamron faired quite well"
--- End quote ---
*looks at MTF numbers*
...LOL... How about, the Tamron OWNED the Canon?
Aside from Tamron's slightly inferior AF technology, (still in it's infancy after all) ...the Tamron is by far a better choice for all but the most warzone-bound flagship shooters who need their lenses to double as bricks.
Don't get me wrong, the Canon 24-70 mk1 is a workhorse and I use it all the time for wedding photojournalism, but it's getting over the hill. I'm still in disbelief that Canon is going to attempt to charge $2300 for the 24-70 mk2, without stabilization, considering the incredible sharpness of the Nikon and now this Tamron. Good luck with that, Canon...
=Matt=
elusive1:
--- Quote from: bvukich on April 30, 2012, 05:08:47 PM ---
--- Quote from: elusive1 on April 30, 2012, 04:06:37 PM ---1) Nikon D800 is better than the 5D3 in almost all aspects, even video.
2) Very overpriced Canon Cinema division got destroyed at NAB by Black Magic and Sony who stole all the buzz.
3) Now Tamron fills the I.S. niche that #1 feature in the 24-70 that Canon customers were begging and pleading for, but Canon failed to deliver.
--- End quote ---
1) DR at low ISO, and resolution are the only advantages the D800 has.
2) Black Magic may have the hype locked down, but with that tiny sensor the two are not interchangeable.
3) The 24-70II will surely blow away the Tamron in every way... Except IS (and price). So you do have a semi-valid point there. I'm still hoping they bring out a version with IS, but who knows.
--- End quote ---
Sorry Bvukich, but the general consensus by non-Canon fan boys (ie Independent Testers), the 5D3 got it's a$$ handed to it by Nikon. As for video, Black Magic did something innovative. It might be a smaller sensor, but the point is they shook up the establishment and took a chance, something Canon has not done since the 5D2. As for Sony, the FS700 pretty much dominated Canon in terms of headlines and hype at NAB. People are really excited by what Sony is doing. As for Canon, just a lot of bitching about overpriced video cameras.
Believe me, I WANT Canon to do good. I have a bit of money invested in Canon glass (around 8K in L-lenses), as well as other EOS lenses by Tokina and Zeiss. But they are not making top level products lately, and the competition is (especially Sony with their sensors and video offerings) are just making Canon look bad.
Canon needs a real winner, and soon.
well_dunno:
--- Quote from: cbphoto on April 30, 2012, 03:43:40 PM ---I'd like to see info on the Tamron's vignetting. In the few lenses I've compared over the years, Tamron lenses had much greater vignetting than Canon's, especially at wide open apertures.
--- End quote ---
"Falloff of illumination towards the corners of the frame is very pronounced. At 24mm the corners are 2.9 stops darker than the image centre and at 70mm the corners are 2.5stops darker. Stopping down to f/5.6 results in visually uniform illumination across the frame throughout the zoom range."
http://www.ephotozine.com/article/tamron-sp-24-70mm-f-2-8-vc-usd-lens-review-19056
michi:
2.9 stops falloff at the corners is pretty rough I guess, would still be willing to live with that though.
well_dunno:
Also, the resolution figures seem to indicate the lens performs better at the wide end. CA is well controlled as well... Though there is this onion-like oof blur in the sample shot at f/2.8 - not sure what to make of that...
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