Related by context. Frequent words. (Click for all words.) 66 binocular 59 eyepieces 59 eyepiece 58 infrared 55 binocular vision 55 imager 54 shutter glasses 54 lenses 54 infra red 54 magnification 54 CCD camera 53 laser rangefinder 53 magnifiers 52 magnifying lens 52 camera viewfinder 51 magnifier 51 lens 51 bifocal 51 imagers 51 binoculars 51 refractive error 51 polarized glasses 51 infrared camera 50 infrared laser 50 3X optical zoom 50 viewfinder 50 multispectral 50 zoom lens 50 optic 49 CCD sensors 49 infrared IR 49 infrared beam 49 FOV 49 multifocal 49 synthetic aperture radar 49 optics 49 electronic viewfinder 49 magnifications 49 macro lens 49 tripod mounted 48 megapixel CCD sensor 48 parallax 48 viewfinders 48 infrared imaging 48 thermal imager 48 Binoculars 48 F#.# [001] 48 transmissive 47 3x zoom 47 microdisplays 47 visual acuity 47 thermal imaging 47 optical coherence tomography 47 presbyopia 47 #mm F#.# [001] 47 Canon #D [003] 47 auto stereoscopic 47 infrared imagery 47 #mm f/#.# [002] 47 infrared sensors 46 infrared sensor 46 active shutter glasses 46 Axsys 46 diffractive 46 inertial navigation 46 optical zoom lens 46 5x zoom 46 SWIR 46 SX# [003] 46 telescopic sights 46 camera 46 thermal imagers 46 telephoto lens 46 confocal 46 FLIR Systems 46 Carl Zeiss lens 46 polarized sunglasses 46 sensor 46 EVF 46 SP #UZ 45 fisheye 45 parallax barrier 45 doppler 45 scopes 45 loupe 45 interchangeable lens 45 Infrared 45 multi spectral 45 CMOS sensors 45 3x optical zoom lens 45 Lenses 45 EO IR 45 megapixel CMOS sensor 45 microdisplay 45 projector 45 3CCD 45 Retinal 45 FLIR 44 refractive errors 44 rangefinder 44 focal lengths