The Leica M 135mm F3.4 Apo Telyt Black lens is a telephoto lens of uncompromising quality, and as it include apochromatic color correction, the resolution, contrast, and sharpness of the 135 mm Apo-Telyt are optimal at all apertures. It also has very little light fall-off even at maximum aperture and minimal distortion, resulting in top pro-level performance. This lens can render the finest details clearly and in rich contrast.
As the longest focal length in the Leica M system, it's ideal for shooting over long distances and is the perfect complement to any M system choice. It permits distinctive landscape shots with typical telephoto effects, the foreground and background are visually compressed. Moreover, it enables frame-filling portraits to be shot from afar, so the subject is undisturbed.
It is also extremely compact and handy, and becomes even more telephoto on an M8 series camera, becoming an extremely useful 180mm telephoto lens.