BINOCULARS EXPLAINED INDEX

Aperture 
Armoring of binoculars          
Aspheric Lenses          
BaK-4 (barium crown)            
Basic design of binoculars: Porro prisms or roof prisms        
BK-7 (borosilicate)         
Chromatic Aberration        
Close focus      
Coating of lenses    
Collimation     
Contrast   
Depth of field     
Dielectric Coatings      
Diopter        
Exit pupil          
Eye relief        
Eyepieces        
Field of view (FOV)         
Focusing mechanisms         
Fogproof         
How to calibrate the binoculars for your personal use          
Interpupillary distance          
JIS-numbers (1-8)         
Lenses          
Magnification/power           
Nitrogen filled         
Objective lenses          
Optical glass              
Phase-corrected” (PC) coatings            
Porro prism        
Prisms  
Relative Brightness Index                                 
Resolution           
Reverse porro prism             
Roof prism      
SK15      
Speed of focus  
Twilight factor                                                                 
Type of glass the lenses and prisms are made of        
Vignetting          
Waterproof             
Weatherproofing

This entry was posted in BINOCULARS EXPLAINED. Bookmark the permalink.