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(Click for frequent words.) 80 lens 72 Lenses 64 Acuvue Oasys 63 multifocal contact 61 eyepieces 61 lens tints 61 lense 60 contact lenses 60 astigmatism presbyopia 60 spherical lenses 60 SLR lenses 59 viewfinders 59 shutter glasses 59 polycarbonate lenses 59 multifocal lenses 59 Zuiko Digital 59 IOLs 59 Varilux 59 zoom lens 58 silicone hydrogel contact 58 eyewear 58 #mm f/4G ED VR 58 eyepiece 58 focal lengths 58 electronic viewfinders 58 Zeiss lenses 58 #mm f/#.# [002] 58 #mm f#.# lens 58 toric lenses 58 EF lenses 57 interchangeable lenses 57 ultra telephoto zoom 57 bifocal lenses 57 optics 57 polarized lenses 57 aspheric lenses 57 #mm f/#.#G 57 polarized glasses 57 eyeglass lenses 56 loupes 56 prisms 56 polarizing filters 56 sunglass lenses 56 Varilux R 56 Acuvue contact 56 electronic viewfinder 56 binocular 56 Tokina 56 Polarized lenses 56 Transitions lenses 56 glasses 56 photochromic 56 teleconverter 56 magnification 56 interchangeable lens cameras 56 Photochromic lenses 55 toric lens 55 Vistakon disposable contact 55 #.#x zoom lens 55 Fujinon 3x optical zoom 55 Silicone Hydrogel 55 Varilux ® 55 tinted lenses 55 #mm lens [001] 55 bifocal 55 Lensbaby 3G 55 #mm SLR 55 sunglass styles 55 Leica lenses 55 photochromic lenses 55 Fisheye Optic 55 ReSTOR 55 #mm VR [002] 55 aspheric lens 54 #mm f/#.# [001] 54 multifocal 54 aperture lens 54 digital SLR cameras 54 Digital SLR cameras 54 f#.# lens 54 polarizing filter 54 EOS SLR 54 active shutter glasses 54 Nikon lenses 54 pancake lens 54 3X zoom lens 54 multifocal lens 54 microlens arrays 54 corrective lenses 54 Nikon AF 54 silicone hydrogel lenses 54 monocular 54 #mm f/#.# lens [002] 54 f/#.# lens 54 sunglass frames 54 PENTAX digital SLR 54 microlens 54 #.#x magnification [001] 54 viewfinder 54 Nikkor lens 54 AcrySof 54 f/#.# aperture 54 Pentax lens 54 Zuiko Digital Specific 53 Crystalens HD 53 F#.# [001] 53 Nikkor 53 CCD sensors 53 aspherical lens 53 Angenieux 53 3D eyewear 53 Nikkor lenses 53 convex lenses 53 CCDs 53 DSLR lenses 53 trifocals 53 infrared LEDs 53 aspheric 53 stereoscopic images 53 Lensbaby Composer 53 diopter 53 fisheye lenses 53 anamorphic lenses 53 multifocal IOL 53 3x optical zoom lens 53 aspherical glass 53 aperture 53 Vario Tessar 53 photochromatic 53 compact digicams 53 zoom lenses 53 ZF lenses 53 xenon lamps 53 refractive lens 53 super telephoto 53 AF S NIKKOR 53 flashgun 53 #mm f4 53 astigmatism 53 6x optical zoom lens 53 sturdy tripod 53 SLR cameras 52 magnifying lenses 52 #x optical zoom lens 52 bayonet mount 52 pentaprism 52 bi focals 52 circular polarizer 52 Nikkor #mm 52 DX Nikkor lenses 52 Astigmatism 52 telephoto zoom 52 silicone hydrogel 52 3x zoom 52 #X zoom lens 52 crystalens 52 Nikon DSLRs 52 DSLRs 52 EVF 52 Fujinon HD 52 aperture settings 52 Nikon SLR 52 optically correct 52 Active Shutter glasses 52 #mm #mm equivalent [001] 52 fisheye 52 macro lens 52 refractive error 52 rimless frames 52 wideangle 52 FUJINON 52 vignetting 52 iZon 52 Optical zoom 52 Cooke S4 52 varifocal lenses 52 ZUIKO DIGITAL ED 52 permeable lenses 52 megapixel camera Carl Zeiss 52 IS USM 52 Canon #D [003] 52 Paragon CRT 52 interchangeable lens 52 Canon digital SLR 52 polarized sunglasses 52 ocular dryness 52 5x zoom lens 51 CCD imagers 51 #mm lens [002] 51 spectacle wearers 51 telephoto zoom lenses 51 #mm f/#.# Macro 51 4x optical 51 angle lens 51 magnifications 51 image intensifier 51 Minolta lenses 51 focal length 51 #mm pancake 51 photochromic lens 51 #mm telephoto lens 51 #x zoom lens 51 #mm f/#.#G ED 51 EVOLT 51 4x zoom lens 51 #mm F#.# [001] 51 f/#.# f/#.# 51 SLR camera 51 refractor 51 Toric 51 diopter adjustment 51 #mm f/#.#-#.# [002] 51 Schneider Kreuznach 51 bifocal lens 51 EOS #D [001] 51 eyepiece viewfinder 51 3D glasses 51 2x zoom 51 camera lens 51 optical viewfinders 51 Zoom Lens 51 interchangeable lens camera 51 #.#in LCD screen 51 #mm f/#.#D 51 EX DG HSM 51 mirrorless 51 Canon DIGISUPER 51 Supersonic Wave Drive 51 Four Thirds cameras 51 CCD camera 51 Carl Zeiss lenses 51 endoscopes 51 refractors 51 Polycarbonate lenses 51 vari angle 51 Crizal 51 sunglass lens 51 #mm f#.# [001] 51 underwater housings 51 Zoom Nikkor lens 51 eyeglass wearers 51 #mm f/#.#-#.# [001] 51 DLSR 51 optical viewfinder 51 telecentric 51 ortho k 51 Proclear 51 Rolleiflex 51 spherical lens 51 PowerShot G9 51 #.#MP sensor [002] 51 Loupes 51 #mm f#.# [002] 51 Vario Sonnar T 51 lightwaves 51 S DX NIKKOR 51 #x magnification [002] 51 Nikon digital SLR 51 microlenses 51 ReZoom 51 telephoto lenses 51 Nikon D#s [002] 50 Visiogen Synchrony 50 telephoto macro 50 #mm F/#.# [002] 50 5x optical zoom lens 50 Panasonic Lumix 50 Pentax digital SLR 50 CCD sensor 50 loupe 50 F/#.# 50 #x magnification [001] 50 diffractive 50 DSLR camera 50 collimating 50 megapixel sensors 50 goggles 50 Digital SLR Camera 50 Canon EF 50 telephoto zoom lens 50 Pentax K#D [001] 50 varifocal 50 megapixel imager 50 camera 50 DiMAGE X1 50 FourThirds 50 Rimless 50 presbyopic 50 3x zoom lens 50 Anti Reflective 50 T1i 50 LCD shutter glasses 50 astigmatic 50 DSLR cameras 50 digital SLRs 50 Fujinon lens 50 SP #UZ 50 Translucent Mirror Technology 50 interchangeable lens compact 50 intraocular lenses 50 sunglasses 50 Pentax DSLR 50 Leica lens 50 optical zoom 50 ED VR II 50 collimators 50 3x optical zoom lenses 50 Zuiko lenses 50 bright F#.# 50 Minolta Maxxum 50 rangefinder cameras 50 Zuiko 50 IR LEDs 50 Four Thirds camera 50 crystalline lens 50 5D Mk II 50 LUMIX G 50 eyecups 50 illuminators 50 Canon EF S 50 eyeglass frames 50 Olympus Zuiko Digital 50 Olympus XZ 1 50 prescription eyewear 50 Four Thirds lens 50 D3S 50 orthokeratology 50 polycarbonate lens 50 magnify objects 50 electron multiplying 50 numerical aperture 50 variable tint 50 fluorescence microscope 50 Aspheric 50 Fujinon 50 eyeglass prescription 50 ReSTOR lens 50 mm f/#.# 49 Micro Nikkor 49 spectacles 49 Lumix FX# 49 FinePix Z#EXR 49 Lensbaby 49 riflescope 49 #mm f/#.#-#.# IS [001] 49 Nikon 49 #mm zoom lens [002] 49 Dual Image Stabilization 49 headlight lenses 49 autofocusing 49 #.#x zoom 49 #mm zoom lens [001] 49 LCD viewfinder 49 megapixel CCD sensor 49 ® Vario Tessar 49 autofocus lenses 49 EOS 1D 49 E PL2 49 IR wavelengths 49 optic 49 Medium Format 49 ophthalmic lenses 49 optically stabilized 49 D SLRs 49 Silicone hydrogel 49 NIKKOR lenses 49 imager 49 #x zoom [001] 49 Bifocal 49 SLR lens 49 LEICA DC VARIO ELMARIT 49 Dual Image Stabilisation 49 EF S# 49 Z#WP 49 ZEISS 49 USM lens 49 digital cameras 49 3x Optical Zoom 49 lens wearers 49 RGP lenses 49 infrared illuminators 49 #mm equiv [002] 49 Canon EF lenses 49 convex lens 49 Easyshare V# 49 Acuvue Advance 49 twin lens reflex 49 Nikon F5 49 DMC TZ1 49 prosumer cameras 49 super telephoto lenses 49 bioptic 49 FOV 49 cephalometric 49 GXR 49 CMOS sensor 49 aspheric optics 49 Canon #D [002] 49 image intensifiers 49 projectors 49 collimated beam 49 excimer lasers 49 telephoto 49 megapixel SLR 49 monovision 49 Zuiko Digital ED 49 #mm f/#.#-#.# IS [002] 49 Shake Reduction SR 49 5x optical 49 aligners 49 lenticular lenses 49 implantable lenses 49 Image Stabiliser 49 wavefront optimized 49 Canon SD# [001] 49 #mm f/#-#.# 49 4x optical zoom lens 49 Optio S# 49 FinePix J# [001] 49 phakic intraocular lenses 49 E PL1 49 Speedlites 49 FinePix J# [002] 49 1W LED 49 multifocal IOLs 49 superzooms 49 multifocal glasses 49 Ricoh GXR 49 Holga 49 goggle 49 scopes 49 Nikons 49 dSLRs 49 Coolpix cameras 49 #X magnification 49 Vibration Reduction 48 #mm F#.# [002] 48 apertures 48 convex mirrors 48 #x optical zoom lenses 48 CMOS sensors 48 FinePix HS# 48 Photochromic 48 illuminator 48 #mm F2 48 MaxSight 48 3X zoom 48 aspherical lens elements 48 megapixel CCDs 48 panorama stitching 48 Fujifilm FinePix F# [001] 48 megazooms 48 Interchangeable Lens 48 mm equiv 48 concave mirror 48 Optio RS# 48 widest aperture 48 flagship Varilux R 48 iWear 48 refractive errors 48 Ultra FilterBright 48 cataract surgeons 48 stereoscopic glasses 48 telephoto lens 48 #.#x optical zoom [001] 48 rangefinder camera 48 LEICA D 48 intraocular lens 48 #mm F#.# lens 48 2x optical zoom 48 bifocal glasses 48 Leica rangefinder 48 Biofinity 48 spherical aberration 48 Pentax 48 smc Pentax 48 eyeglasses 48 ZUIKO DIGITAL 48 Digital Image Stabilization 48 PowerShot SD# [002] 48 Canon G9 48 #:#.#-#.# 48 PureColor LCD II 48 Digital SLRs 48 myopia hyperopia 48 Pentax K#D [002] 48 #/#-inch CCD 48 Lumix G 48 optical zoom lens 48 Sliding Lens System 48 PowerShot G7 digital 48 Art Filters 48 Olympus PEN E PL1 48 Fresnel lenses 48 DMC GF1 48 chromatic aberration 48 corneal ulcers 48 3X optical zoom lens 48 ultrazoom 48 superzoom cameras 48 EOS Rebel T1i 48 borescopes 48 Canon 5D 48 Olympus SP #UZ 48 EOS #D Digital SLR 48 tele zoom lens 48 optical aberrations 48 emissive displays 48 diopters 48 Four Thirds 48 Picture Stabilization 48 #mm #mm equivalent [002] 48 correct nearsightedness 48 Digital SLR Cameras 48 lenticular sheet 48 digital SLR camera 48 #mm F/#.# [001] 48 silicone hydrogels 48 3CCD camera 48 AcrySof IQ 48 α# [001] 48 OS HSM 48 EOS #D [003] 48 angle 5x zoom 48 Genuine Canon 48 reticles 48 Canon SLR 48 bleaching gel 48 Foveon sensor 48 TECNIS R 48 slower shutter speeds 48 refract light 48 #mm Leica 48 Ritchey Chrétien 48 imagers 48 Digital SLR 48 prescription eyeglasses 48 micromirrors 48 compact megazoom 48 Telephoto Zoom Lens 48 Super SteadyShot image 48 f/#.#-#.# 48 autofocus lens 48 cataracts clouding 47 3D shutter glasses 47 Olympus E PL1 47 F#EXR [002] 47 Panamorph 47 DMC G1 47 pellicle 47 DiMAGE X# 47 PENTAX 47 ISO sensitivities 47 x optical zoom 47 Chromatic aberration 47 Intraocular Lens IOL 47 beam expanders 47 Carl Zeiss Vario Tessar 47 bifocals 47 Canon DSLRs 47 Leicas 47 glare coating 47 #mm F#.# SAM 47 phakic IOL 47 VR lens 47 Zoom NIKKOR lens 47 #mm f/#.#-#.#G ED VR 47 FinePix 47 Verisyse 47 S NIKKOR 47 optical microscopes 47 Optics 47 Z1U 47 Pentax lenses 47 #x Optical 47 JVC GR D# 47 eyeglass prescriptions 47 ophthalmoscope 47 #.#cm LCD 47 keratitis 47 Canon SLRs 47 Speedlite #EX II 47 EOS 7D 47 D3s 47 LCDs 47 circular polarized 47 x ray beams 47 Crizal ® 47 Four Thirds System 47 Arriflex 47 PowerShot SX# IS [001] 47 Mega OIS 47 super telephoto lens 47 MEGA OIS 47 intraocular lens IOL 47 Carl Zeiss Vision 47 Hasselblad camera 47 H3DII 47 magnifying lens 47 aperture lenses 47 megazoom 47 SCHNEIDER KREUZNACH 47 Lensbaby lens 47 headlamp 47 Super SteadyShot 47 AFM probes 47 FinePix S#HD 47 Caplio R2 47 Shake Reduction 47 DX Zoom Nikkor 47 softbox 47 telescopes binoculars 47 Four Thirds lenses 47 Olympus Pen 47 parallax 47 bleaching trays 47 SCHNEIDER KREUZNACH VARIOGON 47 megazoom camera 47 electronic viewfinder EVF 47 #X zoom 47 Ultra Zoom 47 HDL 3C 47 panoramic stitching 47 α# [002] 47 S Nikkor 47 Nikon D2Xs 47 Toric lens 47 Nikon D2H 47 flashguns 47 Oakley HDO 47 #K pixel 47 anamorphic lens 47 ultra telephoto 47 nosepiece 47 hyperopic 47 Canon EOS Digital SLR 47 Canon DSLR 47 cameras 47 lens aperture 47 dSLR 47 megapixel V# 47 gamma curves 47 FinePix F#EXR [001] 47 Nikon S# [002] 47 Pentax Optio E# 47 sunwear 47 Sigma SD# 47 3in LCD screen 47 light refracting 47 Dynamic Range Optimizer 47 Nikon D3s 47 Optical Zoom 47 Canon Nikon Pentax 47 Single Lens Reflex 47 Peripheral Illumination Correction 47 Optical Vibration Reduction 47 VIXIA camcorders 47 anaglyph 47 ISO sensitivity 47 Original Lensbaby 47 Superfocus 47 beam splitter 47 Instant AF 47 crystallins 47 #mm F4 [002] 47 rimless 47 Zeiss 47 SV AV# [002] 47 Z# IS [002] 47 aspherical 47 Pentax Km 47 curved mirrors 47 Eye Fix 47 pulsed lasers 47 Leica M8 47 eyeglass frame 47 Telephoto lenses 47 HMDs 47 4x optical zoom 47 digicams 47 UVC rays 47 submillimetre 47 Image Stabilizer IS 47 monopods 47 nearsightedness farsightedness 47 Nikon D3x 47 InGaAs 47 PureVision 47 Panasonic Lumix DMC GF2 46 Xenon lamps 46 infrared emitters 46 sunglass 46 D3X 46 Schneider Kreuznach certified 46 #mm #:#.# 46 ciliary muscles 46 4X optical zoom 46 6MP 46 Minox 46 Optio P# 46 Pentax SLR 46 DSLR 46 #x# binoculars [001] 46 ASPH 46 #.#x optical zoom [002] 46 mm F#.# 46 rangefinder 46 Samsung NX# [001] 46 #mm equiv [001] 46 DSC H# 46 angle zoom lens 46 SLRs 46 dichroic 46 FinePix S#EXR 46 PowerShot SX# IS [002] 46 HJ#ex#.#B 46 gamma curve 46 rewetting drops 46 Maxxum 7D 46 Nikon Coolpix P# [003] 46 #x Optical Zoom 46 Glasses 46 variable aperture 46 maximum aperture 46 Oxyride batteries 46 Complete MoisturePlus contact 46 AcrySof ReSTOR 46 Sanyo Xacti 46 #mm #:#.#-#.# 46 Binoculars 46 passive polarized 46 f#.# 46 hydrophobic acrylic 46 hyperopia 46 Fujinon #x 46 pinhole cameras 46 Leica Dicomar lens 46 TZ5 46 S#fd 46 interocular 46 #.#in LCD [001] 46 5X optical zoom lens 46 beamsplitters 46 polarizers 46 H4D 46 DSLR A# 46 Photonic crystals 46 Image Stabilizer 46 transmissive 46 riflescopes 46 Spitzer infrared 46 Carl Zeiss lens 46 6x zoom 46 ASTIGMATISM 46 Leica 46 Adaptive optics 46 phakic 46 Moritex 46 camcorder 46 DMC LZ8 46 digital SLR 46 photomultiplier tubes 46 Optio M# 46 Zoom Digital Camera 46 Picture Stabilisation 46 3D Active Shutter 46 Resolve Optics 46 Pentax Kr 46 DMC GH1 46 eyecare professionals 46 shot DSC W# 46 Contact Lenses 46 GoPro HD HERO 46 FinePix Z5fd 46 liquid crystal molecules 46 collimator 46 Olympus μ 46 3CCD 46 D SLR cameras 46 Active Glasses 46 Nikon P# 46 Instax 46 VR Vibration Reduction 46 headlamps 46 Panasonic GF1 46 T2i 46 TECNIS ® 46 phacoemulsification 46 6x optical zoom 46 diffraction gratings 46 DC Vario Elmarit 46 AcrySof R ReSTOR 46 S DX Nikkor 46 concave mirrors 46 EF #mm 46 2x extender 46 Noctilux 46 EF#mm IS USM 46 Maxxum 5D 46 Olympus E# 46 lenticular lens 46 Day Acuvue contact 46 megapixel #/#.# 46 Canon XL2 46 COOLPIX P# [003] 46 i Function 46 Panasonic Lumix GF1 46 HD CMOS sensor 46 Fujinon lenses 46 #mm #mm [002] 46 4X zoom 46 binocular vision 46 Lumix cameras 46 #.#Mp [002] 46 Optical Image Stabilizer 46 magnifiers 46 fresnel lens 46 XL H1S 46 NIKKOR lens 46 f#.# f#.# 46 detector arrays 46 treat presbyopia 46 tele converter 46 Nikon D3X 46 ceramic restorations 46 WX1 46 pentaprism viewfinder 46 projector lamps 46 AcrySof R 46 D#s [002] 46 Digital Camera 46 Transitions Lenses 46 cloth grilles 46 F#.# F#.# 46 S NIKKOR #mm 46 DMC TZ7 46 toric 46 OptioWP 46 Digital Image Stabilisation 46 Nikon digital SLRs 46 5x optical zoom 46 optical zooms 46 megapixel CMOS sensor 46 tripod 46 EOS Rebel T3 46 BrightCapture Technology 46 reflective coatings 46 AF# #mm 46 CMOS Sensor 46 Olympus Mju 46 megapixel CCD 46 panorama mode 46 Flexivue ™ 46 RZ# [001] 46 Leica M# 46 colorimeter 46 5X optical zoom 46 refractive 46 Gorillatorch 46 Lastolite 46 EOS #Da 46 pyrometers 46 Z5fd 46 convex mirror 46 CCD imager 46 Macro mode 46 Digital ELPH cameras 46 DV camcorders 46 chromatic aberrations 46 UV VIS 46 Electron microscopes 46 autostereoscopic displays 46 #mm SLR cameras 46 image stabilizer 46 digi cam 46 slit lamp 46 S3 IS 46 LEICA M8 46 D3x 46 Schneider Kreuznach Variogon 46 tiltable LCD 46 FinePix Real 46 photometer 46 Zoom lens 45 infrared imager 45 f/#.#G 45 photodiodes 45 Exmor R CMOS sensor 45 TX9 45 HPS lamps 45 ContourHD 45 PowerShot cameras 45 S#FS 45 confocal 45 Digic III processor 45 Carl Zeiss 45 #.#X zoom 45 Sony ICX# 45 #mm telephoto 45 Scleral 45 Digital Camera Review 45 Super CCD EXR 45 Telephoto 45 LEICA 45 hyperopia farsightedness 45 Alpha DSLR 45 Coolpix L# 45 PowerShot SD# [001] 45 mounting flange 45 fainter objects 45 telescopes microscopes 45 EOS 5D 45 infrared illuminator 45 F#.# lens 45 Crystalens 45 Panasonic LUMIX 45 Megapixel CCD 45 Leica M9 45 Canon EOS Rebel XS 45 telephoto focal 45 optical Image Stabilizer 45 #mm f/#.# ASPH 45 telescopic sights 45 SLT A# 45 UV# [002] 45 Speedlights 45 Gitzo 45 TRYX 45 Skin Softening 45 Fujifilm FinePix S#fd 45 Visian TICL 45 Panasonic Mega OIS 45 photoelectric sensors 45 correct nearsightedness farsightedness 45 SLT A#V 45 videoscopes 45 LZ3 45 megapixel CCD camera 45 FinePix Z#fd [001] 45 #mm zoom 45 adaptive optics AO 45 SuperBright 45 microscopes 45 optic accommodating intraocular 45 halogen lamps 45 vari angle LCD 45 #x optical zoom 45 PTZ cameras 45 Megazoom 45 3D W3 45 inch vari angle 45 Coolpix P# [003] 45 Instax Mini 45 correct astigmatism 45 approved accommodating intraocular 45 cataract extraction 45 Megapixel CCD sensor 45 Alain Mikli 45 3X optical zoom 45 LUMIX 45 inch HyperCrystal LCD 45 Live MOS sensor 45 DSLR Camera 45 Vibration Reduction VR 45 KODAK EASYSHARE V# [002] 45 Pentax K#D Super 45 COOLPIX cameras 45 infrared illumination 45 Zuiko lens 45 7x zoom 45 EX Z# [001] 45 Four Thirds sensor 45 intraoral 45 telescopic lens 45 faceshields 45 #x optical 45 NIKKOR 45 Pentax Kx 45 #Mp 45 Panasonic Lumix DMC TS1 45 GZ HD3 45 Toric IOL 45 Stylus Tough 45 fiberscopes 45 image stabilization 45 1Ds Mark III 45 viewing angle 45 UV lamp 45 optical zoom lenses 45 Digital Camera Introduction 45 daylight readability 45 wavefront 45 ASPH MEGA OIS 45 Super HAD CCD 45 Dobsonian 45 Optio A# 45 collimated 45 NIR SWIR 45 4MP