Leica Tri-Elmar-M 16-18-21mm f/4 ASPH

Filter Size

Requires filter holder (67mm)

f/Stop Range

4-22

Minimum Focus Distance

1.6' (0.5 m)

Magnification

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

Zoom/Focus Control

Two-touch (twist, click stops for 16, 18 or 21mm)

Angle of View

[diagonal; 35mm format]
107° @ 16mm
100° @ 18mm
92° @ 21mm

Groups/Elements

7/10

Length

2.4" (62mm)

Maximum Diameter

2.1" (54mm)

Weight

11.8 oz (335 g)