DX / 35mm-Equivalent Focal Length: Not specified on the Nikon Global official specifications. No equivalent focal length has been calculated or inferred.
Focusing
Focusing System: Internal Focusing (IF)
Multi-Focusing System: Yes
AF Drive: Stepping Motor (STM)
Minimum Focus Distance: 0.85m / 2.79ft from the focal plane
Maximum Reproduction Ratio: 0.11×
M/A Mode: Supported
Nikon states that the multi-focusing system provides fast and accurate autofocus even with the extremely shallow depth of field at the maximum f/1.2 aperture. Nikon's product history also specifies a multi-focusing system using two stepping motors.
Aperture & Filter
Maximum Aperture: f/1.2
Minimum Aperture: f/16
Diaphragm Blades: 11
Diaphragm: Rounded Diaphragm Opening
Filter Size: 82mm
Filter Thread Pitch: P = 0.75mm
Diaphragm Mechanism: Electromagnetic
Controls & Video Features
Control Ring: Yes
Lens Fn Button: Yes
Focus Breathing Compensation: Yes*
Operational Sound: Minimized for Movie Recording
Stable Aperture Control: Yes
Smooth Control Ring Operation: Designed for Movie Recording
*Nikon notes that focus breathing may still be noticeable depending on the distance between the lens and the subject due to the characteristics of the lens.
Optical Performance
Nano Crystal Coat: Yes
ED Glass Element: 1
Aspherical Lens Elements: 2
11-Blade Rounded Diaphragm: Yes
Nikon states that Nano Crystal Coat suppresses ghost and flare, including in backlit scenes. The optical design is also intended to deliver high resolution and smooth bokeh from the f/1.2 maximum aperture.
Protection & Design
S-Line: Yes
Dust- and Drip-Resistant Design: Yes*
Rubber Gasket on Lens Mount: Yes
*Nikon states that thorough dust- and drip-resistance is not guaranteed in all situations and under all conditions.
Dimensions & Weight
Maximum Diameter: Approx. 102.5mm
Length: Approx. 141.5mm from the camera lens mount flange