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:
					
					
						1.500 inches 					
				 
							
					
						MRC:
						A measurement of the axial thickness of an item,in distinction from length or width.BMLY
					 
					
						Axial Thickness:
					
					
						0.202 inches  and 0.150 inches 					
				 
							
					
						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:
					
					
						0.352 inches 					
				 
							
					
						MRC:
						A measurement of the smallest dimension across the edge of a compound lens from one surface to the other,in distinction from length or width.BMMP
					 
					
						Compound Lens Edge Thickness:
					
					
						0.309 inches 					
				 
							
					
						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:
					
					
						14.937 inches					
				 
							
					
						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:
					
					
						14.932 inches					
				 
							
					
						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:
					
					
						1.5230  and 1.6050 					
				 
							
					
						MRC:
						The fixed angle of refraction of the abbe prism.BMMZ
					 
					
						Abbe Constant:
					
					
						58.600 and 38.000					
				 
							
					
						MRC:
						The style designation indicating the configuration that most nearly corresponds to the appearance of a compound lens.BMSC
					 
					
						Compound Lens Style:
					
					
						Doublet					
				 
							
					
						MRC:
						The style designation indicating the configuration that most nearly corresponds to the appearance of an individual lens.BMSD
					 
					
						Individual Lens Style:
					
					
						Plano-concave and meniscus diverging					
				 
							
					
						MRC:
						The radius of the left surface of the element.CTKW
					 
					
						Element Left Surface Radius:
					
					
						42.390 millimeters					
				 
							
					
						MRC:
						The radius of the right surface of the element.CTKX
					 
					
						Element Right Surface Radius:
					
					
						3.117 inches					
				 
							
					
						MRC:
						The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
					 
					
						Material:
					
					
						Glass,  optical,  mil-g-174,  class 1,  grade b					
				 
							
					
						MRC:
						The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
					 
					
						Material:
					
					
						Glass,  optical,  mil-g-174,  class 1,  grade b					
				 
							
					
						MRC:
						The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
					 
					
						Fsc Application Data:
					
					
						Finder, range, t42e1, integrated with fire control equipment