Leica SUMMILUX-M 1:1,4/28 mm ASPH. Notice D'utilisation page 21

Aperture
Setting / Function
Lowest value
Bayonet fitting
Filter mount / Lens hood
Viewfinder
Finish
Dimensions and weight
Length to bayonet mount
Largest diameter
Weight
Compatible cameras
Indexed settings, half values available
16
Leica M quick change bayonet with 6
bit barcode lens identification for digital
Leica M models
2
Non-rotating, internal thread for E49
screw-in filters, external thread with
stop for screw-on lens hood (included)
Camera viewfinder
3
Leica Monochrom, Leica M9, Leica
M8/M 8.2, Leica M7 0.58 / 0.72,
Leica MP 0.58 / 0.72, Leica M6 TTL
0.58 / 0.72, Leica M6 / 0.72 and
Leica M4-P (from no. 2 411 001),
otherwise external viewfinder (available
as accessory)
4
Black anodized
approx. 81/67mm
(without/with lens hood)
approx. 61mm
approx. 447g
All Leica M cameras
on Leica M, Leica M-E,
3,5
13 13