Nikon J1 - Manual (Page 206)

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Specifications subject to change without notice. Nikon will not be held liable
for damages that may result from any mistakes that this manual may contain.
1 NIKKOR VR 10–30 mm f/3.5–5.6
Type 1 mount lens
Focal length 10–30 mm
Maximum aperture f/3.5–5.6
Construction 12 elements in 9 groups (including 3 aspherical elements)
Angle of view 77°–29° 40
′
Vibration reduction Lens shift using voice coil motors (VCMs)
Minimum focus distance 0.2 m/0.7 ft from focal plane at all zoom positions
Diaphragm blades 7 (rounded diaphragm opening)
Diaphragm Fully automatic
Aperture range • 10 mm focal length: f/3.5–16
• 30 mm focal length: f/5.6–16
Filter-attachment size 40.5 mm (P=0.5 mm)
Dimensions Approx. 57.5 mm diameter × 42 mm (distance from
camera lens mount flange when lens is retracted)
Weight Approx. 115 g/4.1 oz