RM510  | 
           
         
        
          
             
                    
                    RM490  | 
           
         
        
          
             
                    
                    RM350  | 
           
         
	
		 | 
      | 
    
      | Image intensifier tube | Gen 3 |  | Resolution,lp/mm | 48-58 /59-64  |  | Magnification,x | 4.4 |  | Signal to noise | 16-18 |  | Field of view | 12° |  | Objective lens diameter,mm | 70 |  | Range of focus:m | 10(m)-∞ |  | Exit pupil diameter | 5 |  | Eye relief,mm | 46 |  | Diopter adjustment |  +3/-4 |  | Power supply ,v | 3 |  | Battery type, | 1x CR123 |  | Battery life,h | 60 |  | Detection range,m | 350 |  | Operation temperature,℃ | -45 to 50 |  | Storage temperature,℃ | -45 to 65 |  | Overall length, mm | 278x83x70 |  | Weight,g | 1300 |  | Relative humity at 25℃  | 98% |  | Warranty,year | 1 |  
          
     
                                                    
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