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:
					
					
						1.485 inches 					
				 
							
					
						MRC:
						A measurement of the axial thickness of an item,in distinction from length or width.BMLY
					 
					
						Axial Thickness:
					
					
						0.196 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:
					
					
						4.474 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:
					
					
						4.840 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:
					
					
						1.5170 					
				 
							
					
						MRC:
						The fixed angle of refraction of the abbe prism.BMMZ
					 
					
						Abbe Constant:
					
					
						64.500					
				 
							
					
						MRC:
						The style designation indicating the configuration that most nearly corresponds to the appearance of a single lens.BMSB
					 
					
						Single Lens Style:
					
					
						Plano-convex					
				 
							
					
						MRC:
						The style designation indicating the configuration that most nearly corresponds to the appearance of an individual lens.BMSD
					 
					
						Individual Lens Style:
					
					
						Plano-convex					
				 
							
					
						MRC:
						The radius of the left surface of the element.CTKW
					 
					
						Element Left Surface Radius:
					
					
						2.156 inches					
				 
							
					
						MRC:
						The radius of the right surface of the element.CTKX
					 
					
						Element Right Surface Radius:
					
					
						30.776 millimeters					
				 
							
					
						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