Sony 300mm f/2.8 G SSM II lens review: second update to pro-oriented G-series super-telephoto prime
By Kevin Carter -
Monday July 01 2013
Sony 300mm F2.8 G II mounted on Sony SLT Alpha 99 Versus Canon EF 300mm f/2.8L IS II USM mounted on Canon EOS 5D Mark III:
When compared to the latest Canon EF 300mm f/2.8L IS II USM version fitted to a 22-Mpix Canon EOS 5D Mk III, the Sony 300mm f/2.8 G II combination doesn’t fare particularly well. While it can hold its own against the Canon in Transmission, Distortion and Vignetting (and CA for all intents and purposes), the Sony’s Sharpness score is discouragingly low compared to the Canon equivalent. Given the Sony SLT A99 has a slight advantage in pixel count over the Canon EOS 5D Mk III is only more revealing.In fact, with a Sharpness score of 22P-Mpix the new Canon lens can clearly out-resolve the best performing sensor in Canon’s range currently.
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Sony overpriced junk
What a piece of junk. Sony better do better and for less money if they want to beat Nikon and Canon. Sigma is doing it.
Sorry - I have to doubt the result of this test...
I wrote this text und the list of Sony lenses tested HERE:
from my rather long experience with the predecessor, the still "current" 300/2.8 SSSM, there has to be a mistake in the testing of the new Sony lens - it will not be worse than the old version (or will it?).
And the current 300/2.8 SSM is at least on par with the Zeiss 85/1.4 AF or the 135/1.8 AF which I use, and a lot (and I mean: A LOT!) sharper than the Sony 35/1.4, for example - it is one of or even the best lens(es) in the Sony system. For an impression, just look at Sony´s MTF charts.
Almost everybody in the Sony forums who has access to that lens says the same... - so could there have been a mistake in the testing?
A focus problem or a "faulty" lens, for example?
I would LOVE to see a retest with a second item - Sony company should be interested in putting the result right and proving the 300/2.8 SSM to be the "stellar" lens it is... - the current version is indeed!
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Re: Sorry - I have to doubt the result of this test...
Thanks for your interest in DxOMark.
Sony lenses we analyzed were provided by Sony itself. About your remark on the 35mm f/1.4, analyzer results confirm what you noticed (please check the comparison here Sony 300mm vs 35mm f/1.4).
If you only look at the Sharpness score, the 300mm is far higher rated than the 35mm f/1.4. However the DxOMark score is performed lowlight. In such condition, the larger aperture of the Sony 35mm f/1.4 enables a lower noise on the SLT A99 sensor. That means that you will finally get a similar IQ on both couples: on one side (300mm), you have a sharp image but with an higher level of noise, on the other side, the image is softer but without noise.
The DxOMark team