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          Product Description
          
					
          
						
          
							
          
								
									Introduction
								
							
          
							
							
          
                                
                                    
                                    Datasheet
                                
                            
          
                            
          
                                
                                    STEP
                                
                            
          
							
          
								
							
          
							
          
								
          
									
								
          
								
							
          
					
          
					
            
						
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            Model：TTL18.5-11.5-25C
            
						
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            Brand：Optiger
            
						
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            Series：German Designed Optiger TTL18.5 Series
            
						
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            Lens Type：Bi-telecentric Lens
            
						
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            FOV：11.5
            
						
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            AOV：/
            
						
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            Focal Length：/
            
						
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            Image Circle：1.1"
            
						
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            Pixel：/ 
            
						
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            Working Distance：25±2
            
						
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            Mount：C
            
						
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With high telecentricity and low distortion, OPTIGER bi-telecentric lenses are mainly applied to precision measurement and high-precision visual positioning fields.
          
OPTIGER TTL18.5 Series Standard Bi-telecentric Lenses are standard C-mount lenses, available for industrial cameras with maximum sensor size of 1.1” (diagonal of 18.5mm). 

          
	
          

          

          
	  

          

          
	 >>Optical magnification:1.609x-0.059x  

          
 

          
	 >>FOV: 11.5mm -315mm, satisfying different requirements on field of view

          

          
	 >>WD: 25mm-545mm, satisfying different requirements on working distance

          

          
	 >>Distortion: <0.05%, telecentricity: <0.05°

          

          
	 >>Bi-telecentric design, very deep DOF, high resolution

          

          
	 >>Multi-layer coating, high transmittance

          

          
	 >>IP 65 for use in harsh industrial environments

          

          
	 >>Options between high resolution and deep DOF are available, satisfying different

          

          
	 >>Customized aperture is available

          

          
	 >>Working distance can be adjusted within certain limits as per customers’ requirements  

          

          
	
          
           

          
           

          
	
          

          

          
	 

          

          
Specifications
          

          
	
		
          
			
				
          
					Type
				
          
			          		
			
				
          
					Lenses with High Resolution
				
          
			          		
			
				
          
					Lenses with Deep DOF
				
          
			          		
		
          
		
          
			
				
          
					Model
				
          
			          		
			
				
          
					TTL18.5-11.5-25C
				
          
			          		
			
				
          
					TTL18.5-11.5-25C-D
				
          
			          		
		
          
		
          
			
				
          
					Max. FOV（mm）
				
          
			          		
			
				
          
					11.5
				
          
			          		
			
				
          
					11.5
				
          
			          		
		
          
		
          
			
				
          
					Magnification
				
          
			          		
			
				
          
					1.609
				
          
			          		
			
				
          
					1.609 
				
          
			          		
		
          
		
          
			
				
          
					Working Distance（mm）
				
          
			          		
			
				
          
					25±2
				
          
			          		
			
				
          
					25±2
				
          
			          		
		
          
		
          
			
				
          
					1.1”
				
          
			          		
			
				
          
					H
				
          
			          		
			
				
          
					14.16
				
          
			          		
			
				
          
					8.8
				
          
			          		
			
				
          
					8.8
				
          
			          		
		
          
		
          
			
				
          
					V
				
          
			          		
			
				
          
					10.37
				
          
			          		
			
				
          
					6.44
				
          
			          		
			
				
          
					6.44
				
          
			          		
		
          
		
          
			
				
          
					D
				
          
			          		
			
				
          
					17.60
				
          
			          		
			
				
          
					10.94
				
          
			          		
			
				
          
					10.94
				
          
			          		
		
          
		
          
			
				
          
					18.5mm
				
          
			          		
			
				
          
					H
				
          
			          		
			
				
          
					14.80
				
          
			          		
			
				
          
					9.2
				
          
			          		
			
				
          
					9.2
				
          
			          		
		
          
		
          
			
				
          
					V
				
          
			          		
			
				
          
					11.10
				
          
			          		
			
				
          
					6.9
				
          
			          		
			
				
          
					6.9
				
          
			          		
		
          
		
          
			
				
          
					D
				
          
			          		
			
				
          
					18.50
				
          
			          		
			
				
          
					11.5
				
          
			          		
			
				
          
					11.5
				
          
			          		
		
          
		
          
			
				
          
					Effective F number
				
          
			          		
			
				
          
					7
				
          
			          		
			
				
          
					16
				
          
			          		
		
          
		
          
			
				
          
					Object Side Resolution（μm）
				
          
			          		
			
				
          
					2.92
				
          
			          		
			
				
          
					6.67
				
          
			          		
		
          
		
          
			
				
          
					DOF（mm）
				
          
			          		
			
				
          
					0.22
				
          
			          		
			
				
          
					0.49
				
          
			          		
		
          
		
          
			
				
          
					Measured Telecentricity（°）
				
          
			          		
			
				
          
					<0.05
				
          
			          		
			
				
          
					<0.05
				
          
			          		
		
          
		
          
			
				
          
					Measured Distortion（%）
				
          
			          		
			
				
          
					<0.05
				
          
			          		
			
				
          
					<0.05
				
          
			          		
		
          
		
          
			
				
          
					Lens Mount
				
          
			          		
			
				
          
					C
				
          
			          		
			
				
          
					C
				
          
			          		
		
          
	          

          

          

          
	 
	
          
		 
		
          
			OPTIGER is specialized in the manufacture of industrial lenses designed by German  
		
          
		
          
			companies.With high-precisionbi-telecentric lenses as its core products,OPTIGER’s  
		
          
		
          
			products line also includes FA prime lenses,zoom lenses,etc. R&D and manufacture  
		
          
		
          
			tailored to customers’requirements are available. 
		
          
		
          
			http://www.www.dinnerwithcher.com/en 
		
          
		
          
			
          
           
		
          
           
	
          
	
          
		 
	
          
           

          

          
				
          
				
				
          
					
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