Sigma AF 20mm F1.8 EX DG Aspherical RF DF Specifications

 

Product ID:
#411

Compatibility:
analog/digital (formerly Photozone reported aperture control problems for EOS 30, 33, 1, 1N, 1V and D30)

Diagonal Angle of View:
94.5°

Maximum Magnification:
1:4

Minimum Aperture:
F22

Number of Aperture Blades:
9

Iris Pattern:
 

Minimum Distance:
20cm

Filter Thread:
82mm

Maximum Diameter:
88.6mm

Length:
87mm

Weight:
520g

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

Full Focus Throw:
90°

Lens Hood:
LH 875-02 (flower shaped)

Produced:
2000

Tests:
PhotoZone tested on EOS 350D; Popular Photography

PopPhoto Measurements:
20.58mm F1.76 at 1:4.2

Nickname:
"Bargain Bucket"/"El Hombre"

 

Additional Information:
The Lens received the EISA Lens of the Year Award 2001-2002 and is reported to be IR capable (IR Forum).


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