Nikon AF Nikkor 20 mm f/ 2.8 D Lens Instruction Manual

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JAA79051-R.3624.A
- M1 ・ AF-S DX18-70/3.5-4.5G -
Type of lens
Focal length
Maximum aperture
Lens construction
Picture angle
Focal length scale
Distance information
Zoom control
Focusing
Shooting distance scale
Closest focus distance
Diaphragm
Aperture range
Exposure measurement
Attachment size
Dimensions
Weight
G-type AF DX Zoom- Nikkor lens having built-in CPU and Nikon bayonet mount 
18mm-70mm
f/3.5-4.5
15 elements in 13 groups (1 aspherical lens and 3 ED lens elements)
76°-22°50′with Nikon Digital Camera D1/D1H/D1X/D2H/D100)
18,24,35,50,70mm
Output to camera body
Manually via separate zoom ring
Nikon Internal Focusing (IF) system (utilizing an internal Silent Wave Motor);
manually via separate focus ring
Graduated in meters and feet from 0.38m (2ft.) to infinity (∞)
0.38m (1.2ft.) at all zoom settings
Fully automatic
f/3.5 to f/22 (at 18mm), f/4.5 to f/29 (at 70mm)
Via full-aperture method with cameras having CPU interface system
67mm (P = 0.75mm)
Approx. 73mm dia. ×75.5mm extension from the camera's lens mount flange
(min. length at 18mm focal length)
Approx.420g (14.8 oz)
SPECIFICATIONS
This lens can be used for Nikon digital SLR camera only.
INC