TXT
묘사:
Optical Instrument Lens
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
39.2 millimeters
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Rangefinder mk57
MRC:
A measurement of the axial thickness of an item,in distinction from length or width.BMLY
Axial Thickness:
8.2 millimeters and 4.0 millimeters and 4.5 millimeters
MRC:
An overall measurement of the smallest dimension through the center of the outer surfaces of a compound lens,in distinction from length or width.BMMN
Compound Lensaxial Thickness:
73.1 millimeters
MRC:
A measurement of the longest dimension from the center of a lens to either of its focal points,in distinction from width.BMMS
Equivalent Focal Length:
43.090 centimeters or 199.610 centimeters or 35.050 centimeters
MRC:
A measurement of the longest reciprocal dimension from the back surface of the lens to the secondary focal point,in distinction from width.BMMT
Back Focal Length:
43.050 centimeters or 199.610 centimeters or 30.630 centimeters
MRC:
A measurement of the longest dimension from the primary focal point to the front surface of a lens.BMMW
Front Focal Length:
42.230 centimeters or 199.810 centimeters or 30.630 centimeters
MRC:
An indication of the ratio of the speed of light in the first medium to its speed in the second medium.BMMX
Refraction Index:
1.5170 and 1.8170 and 1.5170
MRC:
The fixed angle of refraction of the abbe prism.BMMZ
Abbe Constant:
64.500 and 36.600 and 64.500
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a compound lens.BMSC
Compound Lens Style:
Dialyte
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of an individual lens.BMSD
Individual Lens Style:
Double convex and meniscus diverging and plano-convex
MRC:
The radius of the left surface of the element.CTKW
Element Left Surface Radius:
196.1 millimeters and -171.0 millimeters and 1033.0 millimeters
MRC:
The radius of the right surface of the element.CTKX
Element Right Surface Radius:
171.0 millimeters and 2090.2 millimeters and 0.0 millimeters
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, jan-g-174
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, optical, jan-g-174
