Lens Test: Sigma 28-70mm f/2.8 EX DG AF

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Key Specifications and SQF Chart

Specifications

28–70mm (29.24–69.56mm tested), f/2.8 (f/2.91–3.04) tested), 14 elements in 12 groups. Focusing turns 50 degrees counterclockwise. Zoom ring turns 60 degrees clockwise. Focal lengths marked at 28-, 35-, 40-, 50-, and 70mm.
• Diagonal view angle: 75–34 degrees.
• Weight: 1.13 lb.
• Filter size: 67mm.
• Mounts: Canon AF, Konica Minolta AF, Nikon AF, Pentax AF, Sigma AF.
• Included: Lenshood, softcase.
• Street price: Approx. $359.

Sigma 28-70mm f/2.8 EX DG AF - SQF Chart

Lens Test: Sigma 28-70mm f/2.8 EX DG AF
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