217470PC6

Diopter scale

217470PC6 Description

2.625 inches inside diameter, 0.200 inches overall height, 1 scale division quantity, 2.750 inches overall outside diameter, 1 setscrew mounting configuration.

Properties of 217470PC6

Inside Diameter:
2.625 inches
Overall Height:
0.200 inches
Scale Division Quantity:
1
Overall Outside Diameter:
2.750 inches
Inscription Color:
White
Mounting Configuration:
1 setscrew
Scale Unit Of Measure Inscription:
Indexing mark
Material:
Brass
Material:
Copper alloy
Surface Treatment:
Any acceptable
Fsc Application Data:
Telescope mk67
NSN:
1240-00-336-4874
Description:
Scale,diopter
Cage Code:
10001

Definition Diopter Scale

A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.

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Last modified 04/28/2024