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300mm zoom
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PostPosted: Tue Jan 11, 2011 7:57 am    Post subject: Reply with quote

Olivier wrote:
ManualFocus-G wrote:
Wow, that cheap Canon looks incredible! I might trade my 70-300 in for it Shocked

Just did a quick test in the hall with a test chart from 9 metres and my CZ Vario-Sonnar 80-200/4 + Kenko 1.4x DGX 300 Pro teleconverter is actually sharper than the Canon at f5.6 Shocked The Canon has better CA control, but the any CA from the CZ is fully correctable in Adobe Raw Shocked

Hi Graham,
what test chart do you use ?
Is it printable ?


Hi Olivier

I used this one x 3 - http://www.bobatkins.com/photography/technical/lens_sharpness.html


PostPosted: Tue Jan 11, 2011 7:58 am    Post subject: Reply with quote

gaeger

Great samples from that 50-300mm ED Shocked Thanks for the note about weight / stability etc. Smile


PostPosted: Tue Jan 11, 2011 10:03 am    Post subject: Reply with quote

Thank you Graham for the Test chart. It's in the box.
Smile

Joosep wrote:
Ive played around with all the Canon long boys.
(Have introduced Canon lenses in exhibitions).

My favourite is the 100-400 by far. In terms of sharpness it blew away all other zooms and competed quite nicely with L fixes. The focal lenght movement is so silky smooth and so easy to use.
If I take in notice, price, quality and comfort, then 100-400 L wins in my eyes.

This place pulls it together pretty nicely.

Regularly, when I feel that my Canon 70-200 F4 L is too short, I'm wondering which long AF lens to buy : fixed one like the 400 f5.6 or 300 f4 IS + extender, or zoom like the 70-300 F4-5.6 L IS + extender, or the 100-400 F4.5-5.6 L IS.
Thank you for your words on the 100-400. It makes me even more in favour of it.