Specifications

Type of lens:

G-type AF-S DX Zoom-NIKKOR lens

En

with built-in CPU and Nikon

 

bayonet mount (specially designed

 

for use with Nikon digital-SLR—

 

Nikon DX-format—cameras)

Focal length:

10mm-24mm

Maximum

f/3.5-4.5

aperture:

 

Lens

14 elements in 9 groups

construction:

(3 aspherical lens and 2 ED lens

 

elements)

Picture angle:

109º-61º

Focal length

10, 12, 15, 18, 20, 24mm

scale:

 

Distance

Output to camera

information:

 

Zoom control:

Manually via separate zoom ring

Focusing:

Nikon Internal Focusing (IF) system,

 

autofocus using a Silent Wave

 

Motor, manually via separate focus

 

ring

Shooting

Graduated in meters and feet from

distance scale:

0.24 m (0.8 ft.) to infinity ( )

Closest focusing

0.24 m (0.8 ft.) at all zoom settings

distance:

with autofocus

 

0.22 m (0.72 ft.) at all zoom settings

 

with manual focus

No. of diaphragm

7 pcs. (rounded)

blades:

 

Diaphragm:

Fully automatic

Aperture range:

f/3.5 to f/22 (at 10mm), f/4.5 to f/29

 

(at 24mm)

Exposure

Via full-aperture method

measurement:

 

Attachment size:

77 mm (P = 0.75 mm)

Dimensions:

Approximately 82.5 mm (dia.) 87

 

mm (extension from the camera’s

 

lens-mounting flange)

Weight:

Approximately 460 g (16.2 oz)

Specifications and designs are subject to change without notice or obligation on the part of the manufacturer.

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Nikon 2181 user manual Specifications