Specifications

MIL-STD-1472E
A - SUPERCILIARY ARCH REQUIREMENT
B - NASAL DONE REQUIREMENT
C- GREATER ALAR CARTl~OE REQUIREMENT
D SEPIAL CARTILAGE REQUIREMENT
17 mm (Ilflr)
22 mm (7/S”)
S2 & 0%-)
* .mm [1%-1
1---
1-5/8
41 mm{ }
-1
k)+:
32 mm (1%”)
r
(22 mm)-
{7/8”)
6 mm (%”)
-*i?iiF:
Y)ll
6 mm 1%-)
t
EXIT PUPIL
\-
CLEAR EYE
FIGURE 49. Anatomical limits on axialIy symmetrkd ocular metal parts
5.11.3.15.1.2 ~. Use of color or neutral density filters will depend upon the application,
e.g., neutral filters may be used to reduce overall brightness without affecting contras~ polarizing
fflters maybe used to reduce unacceptable glare or increase apparent contrast from sun, snow, or
water.
5.11.3.15.2-. Shutters having closure and reopening times appropriate for each
applkxuh maybe provided in lieu of f~d filtexs to protect the observer exposed to flashes horn
weapon systems, lasers, or other bright light sources. Shutters for protection from the obse~er’s
own w
Y
on system flash, which maybe actuated just before the weapon is fired, shall not disturb
the lay o the weapon before closing nor umewxarily impede the observation of the projectile fLight
path or resultant impacL
5,11 .3.15.3 ~!
Level viais, scales, pointers and other devices required for
positioning the instrument shall be readily visible and protected fkom damage of displacement.
5.11.3.16 ~vironmental c
ondition$, Carrying/transport cases should be provided for
im.rum.cnts to be hand-carried
or mountcd~dismounted separately. Instruments to be used under
severe environmental conditions should be compatible with the special clothing, headgear, protective
masks or other ancilky equipment required by the operator thal may afiect comruis, eyepieces,
evwups, headresls, and mher operal(w interfaces.
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