Nikon 2177, 1987 user manual Specifications

18. Specifications

Type of lens:	G-type AF-S Micro NIKKOR lens with built-
	in CPU and Nikon bayonet mount
En Focal length:	60 mm
Maximum	f/2.8
aperture:
Lens construction:	12 elements in 9 groups (1 ED, 2 aspherical
	and 1 Nano Crystal Coat-deposited lens
	elements)
Picture angle:	39°40´ with 35 mm (135) format Nikon
	film-SLR cameras and Nikon FX format
	digital SLR cameras
	26°30´ with Nikon DX format digital SLR
	cameras
	32° with IX240 system cameras
Reproduction ratio	1:10 to 1:1 (life-size)
scale:
Distance	Output to camera body
information
Focusing:	Nikon Internal Focusing (IF) system
	(utilizing an internal Silent Wave Motor);
	manually via separate focus ring.
Shooting distance	Graduated in meters and feet from
scale:	0.185 m (8 in.) to infinity (෱)
Closest focusing	0.185 m (0.6 ft) (life-size)
distance:
No. of diaphragm	9 pcs. (rounded)
blades:
Diaphragm:	Fully automatic
Aperture range:	f/2.8 to f/32
Exposure	Via full-aperture method
measurement:
Attachment size:	62 mm (P = 0.75 mm)

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