Voigtlander M 50mm f/3.5 APO-Lanthar Type II Brass Silver paint for M cameras provides outstanding high resolution Apochromatic optical performance. Compact and lightweight at 8.8oz, this close focusing lens exhibits practially no flare or distortion. Rangefinder focusing to .7m, liveview focusing from .7m all the way down to .35m. Focusing click at .7 meter indicates transition from rangefinder focusing to liveview focusing. Ten aperture blades provide beautiful bokeh. Ten point sunstars are well defined from f4 to f16. The advanced optical design uses eight elements in six groups, four of which are anomalous partial-dispersion glass. Filter size is a convenient 39mm. Brass lens barrel construction gives a solid feeling. Metal lens hood and metal front lens cap are included. This type II lens is also available in black paint.