Lens Test: Sigma 18-200mm f/3.5-6.3 DC OS AF

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Lens Test: Sigma 18-20...

The optical image stabilizer is just one of the reasons to love this new zoom for Canon, Nikon and Sigma DSLRs.

By Julia Silber Posted September 14, 2007

SPECIFICATIONS

18-200mm (18.78-203.13mm tested), f/3.5-6.3 (f/3.56-6.37 tested), 18 elements in 13 groups. Focusing turns 60 degrees counterclockwise. Zoom ring turns 80 degrees clockwise. Focal lengths marked at 18-, 28-, 35-, 50-, 80-, 135-, and 200mm.
• Diagonal view angle: 76-8 degrees.
• Weight: 1.37 lb.
• Filter size: 72mm.
• Mounts: Canon AF, Nikon AF, Sigma AF.
• Included: Lenshood.
• Street price: $549.