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PostPosted: Tue Mar 09, 2010 12:34 pm 
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Tamron couldn't stay behind in the 70-300 race, and also will trump Sigma in specs. Where Sigma refused to put the HSM drive in besides the OS, Tamron will even put in an USD (ultrasonic silent drive) focus motor in the lens. I am curious how this lens will turn out to be in performance, so far the specs, VC and USD, sound like a true Nikon/Canon alternative.
Let's hope the SP on the lens is like the SP on the macro 90mm and truly means Superior Performance.

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PostPosted: Tue Mar 09, 2010 12:47 pm 
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Ooh, very interesting. Have a link to the announcement to save others looking for it.

I haven't seen detailed reviews on the Sigma 70-300 OS yet, but it isn't an EX designated lens. The Tamron is SP, so while it should be better, it'll likely be more expensive too. So as always, price vs performance will be key, as the Canon 70-300 IS USM and Sony 70-300G SSM are already excellent lenses in that range, I think to beat it optically will be too big a challenge so they will have to compete on price.

Most interesting is Tamron's USD, this is the first I heard of it. It is certainly the biggest weakness of Tamrons, and once they roll that out into their lineup particularly on the higher end, I think they will be much more attractive.

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PostPosted: Tue Mar 09, 2010 12:49 pm 
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Reading the specs it sounds almost a 1:1 copy of the Nikon, so I hope its either glass weigth added or also body construction :-)
Press release at Tamron and Nikon's specs

Tamron vs. Nikon
Focal length: 70-300
Max. aperture: 4-5.6 vs. 4.5-5.6
Min. aperture: 32-45 vs. 32-40
Diaphragm blades: 9
Elements/Groups: 17/12
Min. focusing dist.: 1.5m
Max. repr. ratio: 1:4 (Tamron lost the Macro setting)
Weight: 765gr vs. 745gr
Size: 81.5x142.7 vs. 80x143.5
Filter size: 62mm vs. 67mm

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PostPosted: Tue Mar 09, 2010 2:00 pm 
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Tamron vs. Sony (no OS/IS/VR/VC)
Focal length: 70-300
Max. aperture: 4-5.6 vs. 4.5-5.6
Min. aperture: 32-45 vs. 22-29
Diaphragm blades: 9
Elements/Groups: 17/12 vs. 16/11
Min. focusing dist.: 1.5m vs. 1.2m
Max. repr. ratio: 1:4 (Tamron lost the Macro setting)
Weight: 765gr vs. 760gr
Size: 81.5x142.7 vs. 82x135.5
Filter size: 62mm

Tamron vs. Canon
Focal length: 70-300
Max. aperture: 4-5.6
Min. aperture: 32-45
Diaphragm blades: 9 vs. 8
Elements/Groups: 17/12 vs. 15/10
Min. focusing dist.: 1.5m
Max. repr. ratio: 1:4 (Tamron lost the Macro setting) (Canon is approx. at 0,26)
Weight: 765gr vs. 630gr
Size: 81.5x142.7 vs. 76,5x142.8
Filter size: 62mm vs. 58mm

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PostPosted: Tue Mar 09, 2010 6:48 pm 
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Yeah, looks quite similar to the Nikkor from the outside!
And even the number of lenses and lens-groups is identical: "Elements/Groups: 17/12"
But this will be the real challenge for Tamron: banging 17 lenses together and still have good contrast, low flare and precise assembly for good centering.

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PostPosted: Tue Mar 09, 2010 7:12 pm 
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Tamron EU has some sample pictures, not that special or revealing :-(

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 Post subject:
PostPosted: Wed Mar 10, 2010 10:33 pm 
oooo me interested


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PostPosted: Fri Mar 12, 2010 5:14 pm 
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Anyone want to take a guess as to the price?

I wonder how well it will do compared to the Canon 70-300mm?

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PostPosted: Fri Mar 12, 2010 6:04 pm 
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mitchel wrote:
Anyone want to take a guess as to the price?


500-600 euro should make it as MSRP about at a price I would expect.

Current street prices:
360 euro is the price for the Nikkor
440 euro for the Canon
760 euro for the Sony

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 Post subject:
PostPosted: Tue Mar 30, 2010 3:27 pm 
uh why the strange size 62mm for filters?


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PostPosted: Sat Jun 19, 2010 6:52 pm 
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Removed

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Last edited by naniani on Mon Jun 21, 2010 5:46 pm, edited 1 time in total.

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PostPosted: Mon Jun 21, 2010 7:20 am 
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As far as I know the new 70-300 (with built in AF motor and image stabilisation) is not yet available nor are any prices confirmed. 130 pounds sterling seem very cheap for a lens with the new specs ;-)

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PostPosted: Mon Jun 21, 2010 5:48 pm 
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Hi Woutk89, i posted in the wrong thread :oops: :oops:
Sue

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PostPosted: Tue Aug 10, 2010 3:26 pm 
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For Nikon users, the lens will be available by the end of the month (august) for $450, a very competitive price point!

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 Post subject: nice.
PostPosted: Wed Aug 11, 2010 10:22 am 
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Good news for those who like a little variety in their lens shopping options. The price is looking reallllly good at $449 USD. I think it'll be a good performer too, given Tamron's track record lately.

Here's a little pre-review I wrote on my blog: http://www.aputure.com/blog/2010/08/11/ ... re-review/

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