Nikon TC-20E III manual Specifications

Models: TC-20E III

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Specifications

En

Lens construction:

7 elements in 5 groups (1 aspherical lens)

With a prime lens

 

Diaphragm:

Fully automatic

Focal length:

Double that of a prime lens

 

Exposure

 

Aperture

 

 

measurement:

Via full-aperture method with AI cameras or

coupling range:

f/2 - f/32

 

 

cameras having a CPU; via stop-down method

Reproduction

(effective aperture f/4 - f/64)

 

 

for other cameras

 

 

Mount:

Front: Special mount for AF-S/AF-I NIKKOR lens

ratio:

Double that of a prime lens

 

 

Rear: Nikon bayonet mount

Depth of field:

1/2 that of a prime lens

 

Dimensions:

Approx. 66 mm (2.6 in.) dia. × 48 mm (1.9 in.)

Minimum

 

 

 

extension from camera's lens mounting flange;

focusing distance:

Same as that of a prime lens

 

Weight:

overall length is approx. 60 mm (2.4 in.)

 

 

 

Approx. 330 g (11.6 oz.)

 

 

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

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Nikon TC-20E III manual Specifications