Click here to make tpub.com your Home Page

Page Title: Eyepiece and erecting system
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 




img
MIL-P-63332(AR)
Off axis is defined as displacement, conforming to the value specified, from
on axis.
ANGULAR SPACING
CONTRAST TRANSFER
(in line pairs/milliradian)
Vertical lines
Horizontal lines
a.  On axis.
0.58
.95
.95
1.732
.91
.91
3.70
.84
.84
b.
Off axis 0.3 inch.
0.58
.93
.93
1.732
.88
.88
3.70
.78
.78
3.10.1.2 Eyepiece and erecting system.  The following values (for the
axis specified shall be met with 2870 100 Kelvin (K) radiance, modu-
lated at the special frequency (angular spacing) indicated, incident to the
exit pupil of the eyepiece and erecting system and the contrast transfer
values obtained at the focal plane.
ANGULAR SPACING
CONTRAST TRANSFER
(in line pairs/milliradian)
Vertical lines
Horizontal lines
a.  On axis.
0.58
.95
.95
1.732
.92
.92
3.70
.81
.81
b.
Off axis 0.3 inch.
0.58
.95
.95
1.732
.92
.92
3.70
.77
.77
3.10.2 Luminous transmittance.  The requirements of 3.10.2.1 and 3.10.2.2
shall be met with a source of rediance at the focal plane of the system speci-
fied.
3.10.2.1 Objective system.
a. Luminous transmittance.  Luminous transmittance shall be not less
than 58% when observed through any area of the entrance pupil of the periscope.
b.  Transmittance at 0.85 micron.
Transmittance at 0.85 micron shall
be not less than 35%.
4

Privacy Statement - Press Release - Copyright Information. - Contact Us