The large aperture of F1.5 and the focal length of 21mm enable to display more information of the background and the spatial three-dimensionality in the humanities theme. A wide enough perspective can be obtained in landscapephotography. 

Description21mm F1.5
Focal length21mm
Maximum Aperture1.5
Minimum Aperture16
Aperture ringClicked
FrameFull Frame
Focus methodmanual
Filter Size72mm (with filterholder)
Closed focusing distance0,7 m (M-mount) / 0,5 m (other mounts)
Diaphragm blades10 pcs
Optical design13 elements in 11 groups
Angle of view92°
Weight +/- 412-485 gr
Magnification 
MountLeica M
ColorBlack / Silver (only M-mount)
Lens typeWide angle
Package listingBox – Lens – Front cap – Rear cap – Warranty card – User manual – Filter holder (only M) – Lens hood (only M)
Factory warranty2 years