Camera Labs

This is the OS version of the lens. Quickly taken in the park behind my apt building. all Handheld. ISO 200.

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com

Those pictures look great!

How much of a difference do you notice with your 55-250?

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Cameras: Canon EOS Rebel T2i, Canon S90
Lenses: Tamron: SP70-300mm F/4-5.6 Di VC USD, Canon: EF-S 18-55mm f/3.5-5.6 IS Lens, 75-300mm f/4.0-5.6 III, and EF 50mm f/1.8 II
Retired camera: Fujifilm Finepix s700

I love the 55-250 but this lens is whole different level. I love the f2.8 fixed aperture and the AF speed. It very sharp. The 100% crop of theses photos are almost prime lens quality.

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com

Got this lens
Love the lens
, its nice, easy to handle, well build
Now some test shoots , coupled with Nikon D800
High ISO shot with hand held, was checking the VR ( OS ) advantage, all handheld shoots



@ ISO 5000
f 2.8
1/13 sec
70 mm
Large fine jpeg measured 27.8 MB




ISO 2000
f2.8
1/13 ((( a clear 4 stop advantage )
200 mm

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Nikon D800
Nikon AFS 50mm F1.8 G
Sigma APO 70-200 F2.8 EX DG OS HSM
Sony H50

On Nikon D 800
70-200@ 130mm
ISO 4000
f 2.8
1/50th sec
WB- 2780 k
handheld

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Nikon D800
Nikon AFS 50mm F1.8 G
Sigma APO 70-200 F2.8 EX DG OS HSM
Sony H50