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(Click for frequent words.) 68 inch refractor 67 Newtonian telescope 62 Schmidt Cassegrain telescope 61 telescope 60 Celestron telescope 60 Cassegrain telescope 59 refracting telescope 59 steering wheel tilts 58 eyepieces 58 aperture telescope 58 Ritchey Chrétien 57 refractor telescope 57 #.#cm x #.#cm x 57 inch refractor telescope 57 Dobsonian 57 Dobsonian telescope 56 inch Schmidt Cassegrain 56 microshutters 56 inch refracting telescope 56 armillary sphere 56 eyepiece 56 #x magnification [002] 55 circular aperture 55 submillimetre 55 parabolic dishes 55 ESO VLT 55 vari angle LCD 55 Spitzer infrared 55 jeweler loupe 54 photometer 54 x 3cm 54 spectroscope 54 retroreflector 54 photometers 54 Nikon F5 54 submillimetre wavelengths 54 collimator 54 #cm x 54 telescopes 53 hexagonal mirrors 53 4inch 53 Galileoscope 53 laser interferometer 53 robotically controlled 53 #mm telephoto lens 53 loupes 53 eyepiece #/#s f/#.# 53 planetarium projector 53 TSN PZ camera 53 X FEG 53 sturdy tripod 53 #/#inch 53 × #cm 53 transmissive LCD 53 spectro 53 sapphire crystals 53 radiometers 52 scanning electron microscope SEM 52 Pleiades cluster 52 optical telescope 52 twin lens reflex 52 4x zoom lens 52 MPC #W# 52 polarizing filters 52 telescope eyepiece 52 Sombrero Galaxy 52 #in #cm [001] 52 spectroradiometers 52 LCD viewfinder 52 swivel webcam 52 Chajnantor plateau 52 infrared imager 52 Infrared Camera 52 Mastcam 52 CCD camera 52 LORRI 52 3inch 52 refractor 51 #:# widescreen LCD 51 #K pixel 51 gigapixel camera 51 magnifying lenses 51 sideview 51 Fresnel lenses 51 eyecups 51 Panasonic TH #PZ#U 51 PaxScan 51 APEX telescope 51 polarimeter 51 LCD readout 51 tiltable LCD 51 microbalance 51 Fujinon lens 51 #cm diameter 51 parabolic dish 51 autofocus lens 51 collimators 51 Toshiba TruBrite 51 Subaru telescope 51 Schmidt Cassegrain 51 rover panoramic 51 Spectrograph 51 #.#inches 51 #.#x zoom lens 51 Optitron 51 Lulin Observatory 51 Mossbauer spectrometer 51 scanning electron microscopes 51 Xenon lamp 51 parabolic reflector 51 X ray detector 51 astronomical telescopes 51 inch Samuel Oschin 51 daylight viewable 51 convex mirror 50 parabolic antenna 50 8inch 50 palm sander 50 VGA LCD 50 ultrahigh resolution 50 infrared LEDs 50 infared 50 manometer 50 imager 50 submillimeter 50 deformable mirrors 50 observatory telescope 50 Multi Object Spectrometer 50 multispectral camera 50 transflective LCD 50 eyepiece viewfinder 50 SyncMaster #T 50 fluorescence microscope 50 Sony Trinitron 50 x 7cm 50 Rear Projection HDTV 50 #MP [003] 50 imaging spectrometer 50 radiotelescope 50 PureColor LCD II 50 #mm f/#.# lens [002] 50 Keck Telescopes 50 4mm thick 50 rotating bezel 50 Ring Nebula 50 x #in 50 swivel hinge 50 Pan Tilt 50 telecentric 50 panchromatic 50 DEIMOS 50 #/#-inch CCD 50 #.#inch [002] 50 Interferometric 50 #in x 50 electronic viewfinders 50 rechargeable flashlight 50 #x#cm [001] 50 #mm x #mm [002] 50 #mm Leica 50 telescopic lens 50 VGA TFT 50 APXS 50 parabolic reflectors 50 Vari angle LCD 50 narrow bezel 50 Leica rangefinder 50 gnomon 50 Ritchey Chretien 50 2ft x 50 VSAT antenna 50 Pancam 50 Caltech Palomar Observatory 50 galvanometer 50 imaging spectrograph 50 infra red sensors 50 Keck Telescope 50 portable planetarium 50 borescopes 49 Las Campanas Chile 49 mm f/#.# ASPH 49 #.#x#.# 49 arcsecond 49 teleconverter 49 QVGA LCD 49 interferometric 49 f#.# lens 49 bolometer 49 CMOS Sensor 49 gimbaled 49 mySKY 49 Magnetic Imager HMI 49 reflector 49 Nasa Mars Reconnaissance 49 tubular skylight 49 Palomar Observatory 49 Speedlite #EX II 49 Submillimeter Array 49 nondestructively 49 1W LED 49 vertical slits 49 microspectrophotometer 49 stud finder 49 submillimeter wavelengths 49 SV AV# [002] 49 Sharp LC #D#U 49 super AMOLED touchscreen 49 Zeiss lenses 49 Submillimeter 49 #.#cm x 49 NIRCam 49 #.#mm diameter [002] 49 Ten Tec 49 autoclavable 49 #.#cm thick [002] 49 polarizing filter 49 DSLR lenses 49 Orion Telescopes 49 HRTEM 49 colorimeter 49 Axio Imager 49 concave mirror 49 detector arrays 49 #.#cm diameter 49 infrared 49 Reciprocating Saw 49 Angenieux 49 telescoping mast 49 #x#x# [004] 49 Lunar Roving Vehicle 49 4ft x 49 telephoto zoom lens 49 diffractometer 49 #.#cm x #.#cm [001] 49 dpi dots per 49 TEGA ovens 49 tachymeter 49 inverted microscope 49 #.#mx #.#m [001] 49 #cm diagonal 49 Nikon D# Kowa 49 transflective color 49 Panoramic Camera 49 needlenose pliers 49 VESA mounting 49 X ray detectors 49 tele zoom lens 49 parabolic mirror 49 breadbox sized 49 x 5cm 49 confocal microscope 49 #x# mm [002] 49 infrared illumination 49 HiRISE image 49 wavelength infrared 49 #UX [001] 49 scanning electron microscope 49 #inches 49 Hasselblad camera 49 #mm x 49 monopole antenna 48 oak bookcase 48 aperture 48 microlens arrays 48 multipin 48 #mm zoom lens [001] 48 x #cm [002] 48 Explorer WISE 48 F/#.# 48 coronagraph 48 #cm x #cm x 48 3in LCD 48 ion thrusters 48 Mini Thermal Emission 48 H#H 48 mousing surface 48 2x zoom lens 48 inch reflector telescope 48 positionable 48 convex mirrors 48 Vari angle 48 Microscopes 48 #x# binoculars [002] 48 inflatable planetarium 48 mounting flange 48 resolution panchromatic 48 IR emitters 48 datalogger 48 infrared illuminator 48 #in tall 48 mega pixel sensor 48 x 4cm 48 theodolite 48 #in TFT 48 Cosmic Origins Spectrograph COS 48 telescope atop Mauna 48 infrared astronomy 48 Vario Tessar 48 Hubble telescope 48 cryostat 48 VGA touchscreen 48 #/#-by-# [001] 48 Nikon DSLRs 48 GLAST Burst Monitor 48 6mm thick 48 Helioseismic 48 chrome alloy wheels 48 spectrographs 48 5X zoom lens 48 Amoled 48 X ray microscopy 48 Diviner instrument 48 Optio P# 48 1m 3ft 48 Rosette Nebula 48 ContourHD 48 inch 48 Transmission Electron Microscope 48 magnifying lens 48 binocs 48 7mm thick 48 megazoom camera 48 phosphor coated 48 widescreen LCD 48 Fuji Finepix 48 inch widescreen TFT 48 weld seam 48 cryogenically cooled 48 tilt swivel 48 ESA Planck 48 swiveling LCD 48 LCD touchscreen 48 infrared telescope 48 optical sectioning 48 VGA TFT LCD 48 digital multimeter 48 Carl Zeiss lenses 48 XGA TFT 48 ionized gases 48 light refracting 48 3in 48 Canon SLR 48 infrared emitters 48 StarLab 48 angle Leica lens 48 #mm x #mm x 48 Leica lenses 48 binocular 48 curved mirrors 48 IR LEDs 48 Steward Observatory 48 Pentax lens 48 cylindrical shaped 48 Refractor 48 Lensbaby Composer 48 spectrometer 48 ophthalmoscope 48 CNC router 48 #inch 48 astronomical telescope 48 Fermi telescope 48 diagonal widescreen 48 lenticular sheet 47 Heterodyne Instrument 47 #.#cm [003] 47 3x Optical Zoom 47 telescoping stylus 47 Video Borescope 47 3in LCD screen 47 #.#X optical zoom 47 Borescope 47 Super HAD CCD 47 telescopic 47 Z Backscatter X ray 47 #.#in LCD [001] 47 submillimeter wavelength 47 SolarBeam 47 WXGA #x# 47 Raman spectrometer 47 Multi Object Spectrograph 47 Measuring #mm [001] 47 monochromator 47 Flatron 47 tripod socket 47 #.#mm x [002] 47 ZR3 47 IBEX spacecraft 47 Trombe wall 47 watt lamp 47 WVGA LCD 47 Ultra violet 47 Kodak V# 47 ultrasound transducer 47 4ft #.#m 47 LCD Display 47 Interferometer VLTI 47 uncooled thermal 47 infrared laser pulses 47 flatbed scanner 47 rotary potentiometer 47 Panasonic Viera TX 47 Capacitive touch 47 ESO telescope 47 titanium dome tweeter 47 iris diaphragm 47 touchscreen LCD 47 3Mp camera 47 #Hz LED 47 loupe 47 eyehole 47 Pioneer PDP #HD 47 VR lens 47 collimating 47 UHF transmitter 47 9cm 47 LCD TFT 47 S#W [002] 47 STARLAB 47 WXGA TFT 47 micromirror 47 varifocal lens 47 Nikons 47 goniometer 47 SeeSnake 47 fused quartz 47 Near Infrared Camera 47 Sony ICX# 47 Fujifilm FinePix S#fd 47 #.#Mp [002] 47 #.#in LCD screen 47 flashgun 47 diametre 47 #mm #mm #mm 47 KH #D 47 Weighing #.#kg [002] 47 weighs #.#kg [001] 47 superconducting magnet 47 #x#x# inches [002] 47 #nm laser [002] 47 #x#x#mm [003] 47 Zoom lens 47 Nikkor lenses 47 Imaging Spectrometer 47 ultrasound scanner 47 curtain tiebacks 47 spiral galaxy Messier 47 #X# resolution [002] 47 Leica lens 47 3X optical 47 superbright 47 Zuiko Digital 47 smallest interchangeable lens 47 compound miter 47 #:#.#-#.# 47 Caplio GX# 47 intraoral camera 47 HiRISE camera 47 spectrometers 47 #mm x #mm [005] 47 #x#mm [005] 47 Panasonic FX# 47 LCD screen 47 Zeiss projector 47 colorimeters 47 Dumbbell Nebula 47 #.#mm x #.#mm x [001] 47 Photometer 47 refractors 47 SLR lens 47 Doppler velocity 47 VHF antenna 47 Erlenmeyer flasks 47 #.#m #.#ft [002] 47 #x#.# [003] 47 IR emitter 47 #in [001] 47 infrared ultraviolet 47 Suzaku X ray 47 micropipettes 47 TFT resistive touchscreen 47 periodic dimming 47 flexible gooseneck 47 telescoping pole 47 #x#x# cm 47 Sharp AQUOS LC #D#U 47 wavefront sensor 47 measures #x#x#mm [003] 47 hyperspectral imager 47 polarimetry 47 ® Vario Tessar 47 Chilean Atacama Desert 47 megapixel digicam 47 stainless tubing 47 SkyCenter 47 binocular microscope 47 infrared spectrometers 47 #.#cm LCD 47 FinePix Z#EXR 47 optical microscope 47 3mm thick 47 planetary nebulas 47 magnetostrictive 47 Subaru Telescope 47 PRO #FD 47 Digital Camera Announced 47 electron multiplying 47 VESA mount 47 7mm x 47 Zeiss lens 47 AQUOS TVs 47 SDR SW# 47 telephoto zoom 47 inch WXGA 47 lumen projector 46 gamma ray detector 46 scanning tunneling microscope STM 46 anamorphic lenses 46 frequency transducer 46 ultraviolet spectrometer 46 disc brake rotors 46 telescopes binoculars 46 WISE infrared 46 lexan 46 confocal microscopes 46 Fishfinder 46 4cm 46 adaptive optics AO 46 X ray tomography 46 5x zoom lens 46 LUMIX G 46 #K TFT [002] 46 #mm SLR 46 Enzo Milano 46 inch XGA 46 ultrabright 46 binocular telescope 46 neutron detector 46 D CIXS 46 rotary cutter 46 ejectable 46 silicon cantilever 46 sunlight viewable 46 twin Keck telescopes 46 telescopic camera 46 orbiting Chandra 46 magnetic coil 46 UHF antenna 46 robotic Canadarm 46 TV VCR combo 46 projector 46 UHP lamp 46 inch SVGA 46 ergonomic keypad 46 measures #x#x#mm [002] 46 F#fd [002] 46 x #px 46 inch widescreen monitor 46 Dual Lens 46 Optio S# 46 piezoelectric motors 46 Martian rovers 46 ColorEdge CG#W 46 measuring #.#cm 46 globular cluster M# 46 x 2ft 46 Herschel telescope 46 Z# IS [002] 46 Saturn Cassini 46 Indiglo 46 tripod adapter 46 E#WFP 46 Lumix FX# 46 Shallow Subsurface Radar 46 LEDs illuminate 46 Comet Lulin 46 Nikon lenses 46 Moessbauer 46 Muchachos Observatory 46 SLR lenses 46 beveled edges 46 DiMAGE X1 46 Telescope LSST 46 Apple Cinema Display 46 spectrograph 46 Dremel rotary tool 46 #x# pixels [005] 46 cm diagonal 46 NIRSpec 46 #x# LCD 46 armillary 46 diameter 46 multispectral imager 46 9in 46 viewscreen 46 Kontron AG KBC 46 spectrographic 46 VCR combo 46 arcminutes 46 infra red sensor 46 WIYN 46 laser triangulation 46 Telescope 46 backlit gauges 46 fiber optic gyroscopes 46 4inches 46 bevelled 46 megapixel CCD camera 46 rugged waterproof 46 #X zoom 46 GigE Vision compliant 46 Solar Dynamics Observatory 46 4x optical zoom lens 46 Solar TErrestrial RElations Observatory 46 Mount Palomar Observatory 46 measures #x#x#mm [004] 46 DMC TZ7 46 6x optical zoom lens 46 Schneider Kreuznach Variogon 46 x 2cm 46 #cm #cm [001] 46 laser trackers 46 8in 46 #mm F/#.# [001] 46 electro chromatic 46 glassless 46 #.#cm tall [002] 46 diameter payload fairing 46 galvo 46 magnifier 46 #/#-inch thick [001] 46 Faulkes Telescope 46 inch transflective 46 pyrometer 46 #x# XGA 46 visible NIR 46 antiglare screen 46 WXGA display 46 backlit LED 46 WISE telescope 46 micron wavelength 46 Gigapixel 46 panchromatic imagery 46 laser optics 46 Planck satellite 46 ultraviolet wavelength 46 4in 46 x #.#mm [001] 46 rotary knobs 46 optical trackball 46 Herschel SPIRE 46 Z5fd 46 Fresnel lens 46 #in CRT 46 SCHNEIDER KREUZNACH 46 UHF antennas 46 #.#cm [002] 46 Nanoprobe 46 FE SEM 46 nonreflective 46 crystal prisms 46 model A# 46 x ray beam 46 #.#x optical zoom [002] 46 #mm equiv [002] 46 #.#x#.#x#.# 46 fresnel lens 46 SSRL 46 Faint Object 46 Fisheye Optic 46 softbox 46 planetary Transits 46 SuperFine 46 HX WA# 46 Marc Kuchner 46 astrometric 46 Robotic Arm 46 Tropospheric Emission Spectrometer 46 airglow 46 NIR SWIR 46 wall sconce 46 spectroradiometer 46 infrared emitter 46 HVL F#AM 46 Crab Pulsar 46 vidcam 46 BrightView display 46 photomultiplier tubes 46 Context Camera 46 StarDate 46 3x zoom lens 46 ion microprobe 46 7x optical zoom 46 capacitive multitouch 46 dowel rod 46 parabolic troughs 46 #.#in touchscreen 46 electron bunches 46 Zoom Nikkor lens 46 Sharp Aquos LC 46 Lumix G 46 #x#x#mm [001] 45 DCR DVD# 45 #x# binoculars [001] 45 Canon G9 45 photolithographic 45 PowerShot G9 45 Heliospheric Observatory SOHO 45 aperture lens 45 cosmological distances 45 colposcope 45 Samuel Oschin Telescope 45 portable CMM 45 transmission electron microscopes 45 NASA CloudSat 45 Digital SLR Cameras 45 #x#x#mm [002] 45 interchangeable lens camera 45 TFT substrate 45 thinnest LCD 45 millimeter wavelength 45 angle 5x zoom 45 Deep Impact flyby spacecraft 45 outer diameters 45 wind vane 45 spectral imaging 45 inductive proximity 45 Exoscan 45 VGA #x# 45 #/#-inch [004] 45 borescope 45 LZ# [001] 45 #mm #mm equivalent [002] 45 bone densitometer 45 Sizes vary 45 convex lens 45 gimbals 45 triaxial 45 infrared thermometers 45 #fps [002] 45 interferometers 45 Xenon Flash 45 optofluidic microscope 45 Rosetta lander 45 LWIR 45 Hz refresh rate 45 glass tile mosaic 45 NIKKOR lens 45 ST5 45 Leica Viva 45 micromirrors 45 scintillator 45 thinnest slider 45 #x# inch [002] 45 5x optical 45 fisheye lenses 45 Meade mySKY 45 7x zoom 45 stereoscopes 45 Spectrometers 45 Xenon lamps 45 perforated stainless steel 45 anamorphic lens 45 Hellboy Abe Sapien 45 Keck Interferometer 45 image intensifiers 45 6mm x 45 Miniaturized 45 widescreen LCD monitor 45 inductive sensor 45 HX5 45 #mm f/#.# [001] 45 Electron microscope 45 measures #mm x 45 Zoom Lens 45 Samsung NX# [001] 45 laparoscope 45 #X magnification 45 IR wavelengths 45 UltraSharp 45 ViewDock 45 microns millionths 45 Widescreen LCD HDTV 45 #mm x #mm [007] 45 UV VIS 45 LED backlit IPS 45 BNC connector 45 Keck telescopes 45 extendable antenna 45 Solar Mass Ejection 45 panoramic camera 45 Samsung SyncMaster #T 45 HIDs 45 dichroic glass 45 rover robotic arm 45 Widescreen Display 45 AMLCDs 45 MegaPixel 45 W x #mm 45 #x magnification [001] 45 #k dot 45 klystron 45 telescoping antenna 45 SyncMaster #P 45 Scanning Electron Microscope 45 Canon DC# DVD 45 5Mp 45 Pentax K#D [001] 45 shortwave infrared 45 #/#.#-inch [001] 45 chromogenic prints 45 polishing cloth 45 LCD capacitive touchscreen 45 IBEX Lo 45 Sojourner rover 45 lunette 45 WFC3 45 megapixel #/#.# 45 color TFT touchscreen 45 Sigma SD# 45 Raman molecular spectroscopy 45 sunlight glinting 45 FLIR Forward Looking 45 frequency comb spectroscopy 45 Ultra Slim 45 Samsung Syncmaster 45 8inches 45 gamma ray observatory 45 orbiting telescopes 45 electro luminescent 45 digital rangefinder 45 F#.# lens 45 fluorescent backlighting 45 Trapezium 45 8mm thick 45 binoculars spotting scopes 45 Ikonos 45 Ultraviolet Optical Telescope 45 foam padded 45 Celestron SkyScout 45 ratchet wrenches 45 tetrahedron 45 CMOS imager 45 BU #H 45 monochromators 45 TracVision M3 45 earless dragon 45 pulleys levers 45 meter Keck telescopes 45 LED Backlit LCD 45 × #.#mm [002] 45 ESO Paranal Observatory 45 pentaprism viewfinder 45 NASA Cassini 45 servo controlled 45 slatwall 45 speedometer tachometer 45 triaxial accelerometer 45 GMRT 45 Panasonic DMC FZ# 45 scanning electron 45 Super Kamiokande 45 T#HD 45 frameless shower 45 f/#.# f/#.# 45 varifocal 45 #LE# 45 GPS chartplotter 45 transmission electron microscope 45 infra red rays 45 Japanese Kibo module 45 LUMIX G VARIO 45 Lensbaby 3G 45 aberration correctors 45 membrane keypad 45 handheld showerhead 45 6x optical zoom 45 CSIRO Parkes radio 45 retractable cord 45 Headlamp 45 barred spiral galaxy 45 ultraviolet spectrograph 45 #.#cm [005] 45 Helix Nebula 45 diopter adjustment 45 tube bender 45 orbiting Hubble Space Telescope 45 scanning tunneling microscopes 45 digi cam 45 Pentax digital SLR 45 Horsehead Nebula 45 refractometer 45 Sharp Aquos LCD 45 Viewing Angle 45 inch vari angle 45 WSXGA + 45 RAYS forged 45 #/#-by-# [002] 45 #.#in #.#cm 45 6mm 45 photoelectric sensors 45 Impactor 45 vario 45 megazoom 45 InfraRed 45 linear Fresnel 45 Panasonic DMC L# 45 telescoping poles 45 #x Optical 45 Comet Holmes 45 antiglare coating 45 #/#-inch diameter 45 Canon SD# IS [002] 45 multibeam sonar 45 stereoscopic images 45 tripod mounted 45 ultrasonic sensors 45 constellation Hercules 45 Fujinon 3x optical zoom 45 4X optical zoom lens 45 optical zoom lenses 45 radar altimeter 45 JCMT 45 rear headrests 45 Eagle Nebula 45 HiRISE camera aboard 45 Zoom NIKKOR lens 45 lightwaves 45 X ray observatory 45 deformable mirror 45 Leica M# 45 Land Attack Projectile 45 VLBA 45 #/#.#-inch [002] 45 ultraviolet imaging spectrograph 45 plasma cutters 45 viewfinders 45 Lagoon Nebula 45 Infrared 45 Leica M9 45 RF Amplifiers 45 photosensor 45 flexible endoscope 45 monoculars 45 African bush viper 45 #X# resolution [001] 45 WVGA screen 45 4ins 45 gyro stabilized 45 3X zoom lens 45 diffraction gratings 45 pinhole camera 45 Syncmaster 45 LT #P# 45 conic 45 centimeter 45 Caplio R2 45 mini DV camcorder 45 magnetic monopole 45 distant quasar 45 beveling 45 Ricoh #SE 45 hex wrench 45 dozer blade 45 Bug Nebula 45 #x#cm [002] 45 infrared telescopes 45 photographic darkroom 44 microlenses 44 Panasonic Lumix DMC GF2 44 DISR 44 HD# [005] 44 Nasa spacecraft 44 LCD flatscreen 44 5X optical zoom lens 44 × #mm [002] 44 weighs #lbs [001] 44 Hubble 44 optical microscopes 44 emit X rays 44 #.#MP sensor [002] 44 Methone 44 MG J# +# 44 fluoroscope 44 nautilus shell 44 2mm thick 44 5μm 44 #.#in TFT [002] 44 JWST 44 EOS #D [001] 44 volt cordless drill 44 Loupes 44 DNA nanotags 44 Gravitational lensing 44 ultrasonic transmitters 44 piezoelectric sensors 44 astrophotography 44 halogen headlights 44 photometry 44 argon laser