Nikon AF-S DX Micro- NIKKOR 40mm f-2.8G - Manual (Page 19)

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■ Compatible Accessories
• 52 mm screw-on filters
■ Specifications
Nikon reserves the right to change the specifications of the hardware
described in this manual at any time and without prior notice.
Type
Type G AF-S DX Micro NIKKOR lens with built-in
CPU and F mount
Focal length
40 mm
Maximum aperture
f/2.8
Lens construction
9 elements in 7 groups
Angle of view
38° 50 ′
Reproduction ratio
indicator
∞ to 1 : 1
Distance information
Output to camera
Focusing
Autofocus controlled by Silent Wave Motor with
separate focus ring for manual focus
Focus distance indicator
0.163 m to infinity (∞)
Minimum focus distance
0.163 m/0.53 ft (1 : 1)
Diaphragm blades
7 (rounded diaphragm opening)
Diaphragm
Fully automatic
Aperture range
f/2.8 to f/22
Metering
Full aperture
Focus limit switch
Two positions: FULL (∞– 0.163 m) and ∞– 0.2 m
Filter-attachment size
52 mm (P=0.75 mm)
Dimensions
Approx. 68.5 mm diameter × 64.5 mm (distance from
camera lens mount flange
)
Weight
Approx. 235 g/8.3 oz