Voigtlander Z 15MM F/4.5 Super Wide Heliar

Its optical design is optimized for the full frame (Nikon FX-format) camera sensor for improved optical performance.  It may be used on DX Z cameras.

Manual focus for reliable focus operation

By adopting a full-metal focusing helical adjusted with high precision high-quality grease to provide appropriate torque, very smooth manual focusing operation is attained along with precision fine focus adjustment.

Aperture Control Ring on Lens

Beautiful bokeh with 10 aperture blades

Manual Focus lens with classic aperture ring and helical focus controls
11 elements in 9 groups
one aspherical element with two Aspherical Surfaces
three atypical partial dispersion elements
 Fstop range F4.5 to F22
weight 10.2 oz
close focus a very close 4.9"
size diameter x length 67.5mm×67mm
58mm filter size
 removable lens hood included

Information communication with the body by electronic contacts

Voigtlander Z lenses are equipped with electronic contacts to communicative between the lens and camera body to provide  Exif information and and in-body image stabilization (3 axis) ^*1.  Lens focusing  support includes  [1] focusing by color changing of the focus point frame [2] peaking function focusing and [3] focusing with the enlargement button).   *1  Keep your camera firmware updated in order to maintain maximum features possible with your camera body.