Sigma 120-300 f2.8 OS- samples and a questions-Owners please read!

Started Sep 20, 2011 | Discussions thread
Gabebalazs
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Re: Sigma 120-300 f2.8 OS- samples and a questions-Owners please read!
In reply to Paul Grecian, Nov 21, 2011

Here are the test results by Popphoto:

TEST RESULTS

120–300mm (119.98–299.98mm tested), f/2.8 (f/2.93 tested), 23 elements in 18 groups. Focus ring turns 120°. Zoom ring turns 90°. Focal lengths marked at 120-, 150-, 180-, 200-, 250-, and 300mm.
Diagonal view angle: 20–8 degrees.

Distortion: At 120mm, 0.07% (Imperceptible) pincushion. At 200mm, 0.14% (Slight) pincushion. At 300mm, 0.19% (Slight) pincushion.

Light falloff: At 120mm, gone by f/3.5. At 200mm, gone by f/3.5. At 300mm, gone by f/3.5.
Close-focusing distance: 50.90–88.93 inches.
Max. magnification ratio: At 120mm, 1:8.80. At 200mm, 1:6.67. At 300mm, 1:8.96.
Image Stabilization: 2–3 stops

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Canon EF-S 10-18mm f/4.5–5.6 IS STM
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