F345 เลนส์ LEICA M 16-18-21mm f/4 TRI-ELMAR-M ASPH. Black (11626)

Specs

Focal Length

16mm 18mm 21mm

Aperture

f/4 to f/22

Camera Mount Type

Leica M

Angle of View

16mm: 107° 18mm: 100° 21mm: 92°

Minimum Focus Distance

1.6′ / 50 cm

Reproduction Ratio

16mm: 1:38 18mm: 1:35 21mm: 1:30

Optical Design

10 elements in 7 groups

Diaphragm Blades

Not specified by manufacturer

Focus

Manual

Filter Thread

N/A (male thread to accept included lens hood or optional 67 mm filter holder)

Dimensions

2.1 x 2.4″ / 54 x 62 mm

Weight

11.8 oz / 335 g