Nikon Nikon 1 AW1 Reference Manual (en)

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When attached to waterproof cameras.
EN-EL20 rechargeable Li-ion battery
Type
Rechargeable lithium-ion battery
Rated capacity
7.2 V, 1020 mAh
Operating temperature
0 °C–40 °C (+32 °F–104 °F)
Dimensions (W × H × D)
Approx. 30.7 × 50.0 × 14.0 mm (1.2 × 2.0 × 0.6 in.)
Weight
Approx. 41 g (1.4 oz), excluding terminal cover
1 NIKKOR AW 11–27.5mm f/3.5–5.6 Lens
Type
Waterproof 1 mount lens
Focal length
11–27.5 mm
Maximum aperture
f/3.5–5.6
Construction
8 elements in 6 groups (including 1 ED lens element and
1 aspherical lens element)
, 1 protective glass element
Angle of view
72°–32° 20
Minimum focus distance
0.3 m (1.0 ft) from focal plane at all zoom positions
Diaphragm blades
7 (rounded diaphragm opening)
Diaphragm
Fully automatic
Aperture range
• 11 mm focal length: f/3.5–16
• 27.5 mm focal length: f/5.6–16
Electronic compass
Electronic compass can be used when lens is
attached to camera
Filter-attachment size
40.5 mm (P=0.5 mm)
Shockproof 
performance
*
Has passed in-house tests to MIL-STD-810F
Method 516.5: Shock standard when attached to
camera; exterior deformation and surface dam-
age are not tested
Waterproof 
performance
*
In-house tests have demonstrated JIS/IEC Class 8
(IPX8) waterproofing
Operating depth
*
Maximum 15 m (49 ft), but may not be used at
depths that exceed camera’s maximum operat-
ing depth
Dustproof performance
*
In-house tests have demonstrated JIS/IEC Class 6
(IP6X) dust-proofing
Operating temperature
–10 °C–+40 °C (+14 °F–104 °F) on land, 0 °C–
+40 °C (+32 °F–104 °F) in water
Dimensions
Approx. 63 mm diameter × 56.5 mm (distance from
camera lens mount flange)
Weight
Approx. 182 g (6.5 oz)