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Lens Test: Sigma 50-500mm F/4.5-6.3 APO DG OS HSM

Bigma has shed some weight and picked up optical image stablization.
  • By Julia Silber on July 13, 2010
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SPECIFICATIONS

  • 50–500mm (48.61 mm–n.a. tested*), f/4.5–6.3 (f/4.33–n.a. tested*), 22 elements in 16 groups. Focus ring turns 130°. Zoom ring turns 130°. 
  • Focal lengths marked at 50-, 100-, 135-, 200-, 300-, 400-, and 500mm.
  • Diagonal view angle: 46–5 degrees
  • Weight: 4.17 lb filter size: 95mm
  • Mounts: Canon AF, Nikon AF, Pentax AF, Sigma AF, Sony AF
  • Street price: $1,600
  • *Measurement not available due to test instrument limitations.

 

 

TEST RESULTS

SQF Chart Sigma 50-500mm

Distortion:

  • At 50mm, 0.20% (Slight) barrel
  • At 200mm, 0.25% (Slight) pincushion
  • At 500mm, 0.26% (Slight) pincushion

Light falloff: 

  • At 50mm, gone by f/5.6
  • At 200mm, gone by f/7.1
  • At 500mm, by f/10

Close-focusing Distance:

  • At 50mm, 18.25 inches
  • At 200mm, 21.75 inches
  • At 500mm, 65.75 inches

Max. magnification ratio:

  • At 50mm, 1:5.10
  • At 200mm, 1:2.71
  • At 300mm, 1:4.11

Stabilization: 2–4 stops