20mm F1.8 EX DG ASPHERICAL RF

 
 

20mm F1.8 EX DG ASPHERICAL RF

 
 
Lens Construction
Lens Construction
 

ASPHERICAL LENS

Specifications

Lens Construction

13 Elements in 11 Groups

Angle of View

94.5°

Number of Diaphragm Blades

9 Blades

Minimum Aperture

F22

Minimum Focusing Distance

20cm/ 7.9in.

Maximum Magnification Ratio

1:4

Filter Size

⌀82mm

Dimensions (Diameter × Length)

⌀88.6mm×89.5mm/ 3.5in.×3.5in.

Weight

520g/ 18.3oz.

Supplied Accessories

Case, Hood (LH875-02)

Mount / Product Barcode

SIGMA SA-mount:00-85126-41140-4 (discontinued)

Canon EF mount:00-85126-41127-5 (discontinued)

Nikon F mount:00-85126-41144-2 (discontinued)

Sony A-mount:00-85126-41134-3 (discontinued)

Pentax mount:00-85126-41145-9 (discontinued)

* All figures calculated by SIGMA SA-mount.