Lens Type	Mirrorless Lenses
Focal Length	400mm
Maximum Aperture	F2.8 without built-in teleconverter, F4 with built-in teleconverter
Aperture (Max. & Min.)	Max: F2.8 without built-in teleconverter, Max: F4 with built-in teleconverter; Min: F22 without built-in teleconverter, Min: F32 with built-in teleconverter
Camera Mount Type	Nikon Z
Camera Format	Full-Frame
Angle of View	Full-Frame: 13.67 to 6.17 degrees without built-in teleconverter, 9.83 to 4.5 degrees with built-in teleconverter; APS-C: 9 to 4 degrees without built-in teleconverter, 6.33 to 2.83 degrees with built-in teleconverter
Minimum Focus Distance	Without built-in teleconverter 2.5 m / 8.2 ft from the image sensor (at 400mm); With built-in teleconverter 2.5 m / 8.2 ft from the image sensor (at 560mm)
Maximum Close-Up Magnification	Without built-in teleconverter 0.17x (at 400mm); With built-in teleconverter 0.23x (at 560mm)
Groups/Elements	19 Groups / 25 Elements
Diaphragm Blades	9