Leica Correction Lens M provides a +1.5-dioptric adjustment to the camera's finder for more comfortable viewing and a reduced need for wearing eyeglasses while shooting. Leica rangefinders, by default, are preset to -0.5 diopters, and this correction lens will bring the final strength to +1.0 diopters.
This correction lens has a screw-on attachment and is compatible with select Leica M cameras, including the M (Typ 240), M9, M8, M7, and older cameras; please consult your camera's user manual for exact compatibility.