Sigma AF 20-40mm F2.8 EX DG Aspherical DF Specifications

Product ID:

#411

Compatibility:

analog/digital

Diagonal Angle of View:

94.5° - 56.8°

Maximum Magnification:

1:4.6

Minimum Aperture:

F22

Number of Aperture Blades:

9

Iris Pattern:

 

Minimum Distance:

30cm

Filter Thread:

82mm

Maximum Diameter:

89mm

Length:

107.9mm (119.1mm at full zoom extension)

Weight:

600g

Focus Type:

internal focus mechanism, features Dual Focus (AF w. rotating or non-rotating focus ring, MF using focus ring, focus lock (no AF nor MF))

Full Focus Throw:

80°

Zoom Type:

rotary

Lens Hood:

LH 875-02 (bayonet mounted, flower shaped)

Produced:

2001

Tests:

PopPhoto Measurements:

20.76-38.57mm F2.82 at 1:7.8-1:3.8