8200241

Diopter scale

8200241 Description

1.151 inches inside diameter, 0.780 inches overall height, 16 scale division quantity, 1.838 inches overall outside diameter, 5 setscrews mounting configuration.

Features

Engrave 17 line (16 spaces) equally spaced, and as shown, in 329 degrees 28 min 16 sec basic.Each line to be in true position within 10 min of arc.Numberlines as shown.Lines to be 0.015 in. Wide and deep.Numbers, plus and minus signs, 0.020 in. Wide and 0.015 in. Deep; apply fine matte finish

Properties of 8200241

Inside Diameter:
1.151 inches
Overall Height:
0.780 inches
Scale Division Quantity:
16
Overall Outside Diameter:
1.838 inches
Inscription Color:
Black
Mounting Configuration:
5 setscrews
Scale Unit Of Measure Inscription:
Degrees plus 0 to 8; minus 0 to 8
Material:
Steel, qq-s-763, class 303, cond a
Material:
Steel comp 303
Material Specification:
Qq-s-763, class 303, cond a federal specification single material response
NSN:
1240-00-302-1328
Description:
Scale,diopter
Cage Code:
19200

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