Nikon 28-70mm-f-28D-ED-IF-AF-S-Zoom-Nikkor - Manual (Page 17)

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Supplied Accessories
77mm snap-on front lens cap Rear lens cap LF-1
Bayonet hood HB-19 Hard Case CL-74
Optional Accessories
77mm screw-in filters, including circular polarizing filter*
Teleconverter TC-14A/TC-201
* With a circular polarizing filter, vignetting occurs at 28mm. If lens hoods HN-29 or
HN-34 are used, vignetting occurs at 28mm and 35mm.
Specifications
Type of lens: D-type AF Zoom-Nikkor lens having built-in CPU and Nikon
bayonet mount
Focal length: 28mm–70mm
Maximum aperture: f/2.8
Lens construction: 15 elements in 11 groups (1 PGM aspherical and 2 ED lens
elements)
Picture angle: 74˚–34˚20’ (63˚–27˚40’ with IX240 system cameras)
Focal length scale: 28, 35, 50, 70mm
Distance information: Output to camera body
Zooming:
Manually via separate zoom ring
Focusing: Nikon Internal Focusing (IF) system (utilizing an internal Silent
Wave Motor); autofucus with manual override or manually via
separate focus ring
Shooting distance scale: Graduated in meters and feet from 0.7m (2.5 ft.) to infinity (
∞
)
Aperture scale: f/2.8–f/22 on both standard and aperture-direct-readout scales
Minimum aperture lock: Provided
Diaphragm:
Fully automatic
Exposure measurement: Via full-aperture method with AI cameras or cameras with CPU
interface system; via stop-down method for other cameras.
Attachment size: 77mm (P=0.75mm)
Dimensions: Approx. 88.5mm dia. x 121.5mm extension from the camera’s
lens mounting flange (at min. length); overall length is approx.
130mm (at min. length)
Weight: Approx. 935g (33 oz.)