70-300 L and a beautiful girl..

Started Nov 19, 2012 | Discussions thread
Gearóid Ó Laoi, Garry Lee
Gearóid Ó Laoi, Garry Lee OP Veteran Member • Posts: 6,080
Re: 120-300 at 300mm f2.8 1Dsiii 200 iso handheld..

joger wrote:

what took you so long to find them in your archive?

You confirmed it that you have to use the lenses side by side and see the results. As you don't have the 300 f/2.8 II and I neither own a 70-300 nor a 120-300 it will take some time to get the tests performed. But I will rent both the 70-300 and the 120-300 to perform some tests in Spring 2013 - just out of curiosity.

In the meantime I have a look at the ISO 12233 charts and wonder how they translate into real world.

This is an example of the 300 f/2.8 II plus 2x Extender III

ICanon 300 f/2.8 II plus 2x extender III at 600 mm f/5.6

So the performance without 2x Extender is nice to see but pointless for my use cases - but even here the ISO 12233 test is not very favorable for the Sigma - but I will give it a test early 2013 and post the results in the forum.

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isn’t it funny, a ship that leaks from the top
ISO 9000 definition of quality: 'Degree to which a set of inherent characteristic fulfills requirements'
I am the classic “Windows by Day, Mac by Night user'
“The horizon of many people is a circle with zero radius which they call their point of view.” Albert Einstein

I have loads of really sharp shots but I think that many photographers think only of sharpness and resolution so I don't scrap good images because they aren't 100%.

I can tell you here and now that the 120-300 will not be as good as the Canons but it won't be as far off as people think.

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Níor bhris focal maith fiacail riamh (Irish Gaelic)
A good word never broke a tooth.

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