https://www.sigma-global.com/en/lenses/10_20_35/specification.html


Specifications

Lens Construction

13 elements in 10 groups

Angle of View

109.7 - 70.7°

Number of Diaphragm Blades

7 Blades

Minimum Aperture

F22

Minimum Focusing Distance

24cm / 9.4in.

Maximum Magnification Ratio

1:6.6

Filter Size

φ77mm

Dimensions (Diameter × Length)

⌀87.3mm × 88.2mm / ⌀3.4in. × 3.5in.

*The length of a lens is measured from the filter surface to its mount.

Weight

520g / 18.3oz.