Optical Instrument Lens

Part Number 7688722

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

type 511-635 grade c class 1 mil-g-174 optical glass material.

Includes quality control certificate of conformance.

Diameter:

Between 1.062 inches and 1.065 inches
Axial Thickness:

Between 0.226 inches and 0.246 inches
Equivalent Focal Length:

2.659 inches
Back Focal Length:

2.571 inches
Refraction Index:

1.5110
Abbe Constant:

63.500
Single Lens Style:

Double convex
Individual Lens Style:

Double convex
Element Left Surface Radius:

2.362 inches
Element Right Surface Radius:

3.093 inches
Material:

Glass, optical, mil-g-174, class 1, grade c, type 511-635
Fsc Application Data:

Periscope, tank
Federal Supply Class (fsc):

Optical instruments, test equipment, components and accessories
National Stock Number (nsn):

6650-00-768-8722
Special Features:

Edges chamfered 0.020 to 0.030 in. By 45 deg. Both surfaces coated with magnesium fluoride. Rim and chamfers ground.

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