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(Click for frequent words.) 62 HID bulbs 61 photocells 59 toroid 58 reflectors 58 steering wheel tilts 58 photomultiplier tubes 58 photocell 58 micromirrors 58 polarizing filters 57 diffract 57 curved mirrors 57 infrared emitters 57 IR LEDs 57 ohm resistor 57 interferometers 57 refractor 56 phototransistor 56 collimators 56 optical wavelengths 56 electro luminescent 56 X ray binaries 55 convex mirrors 55 luminous galaxies 55 piezoelectric crystals 55 IR wavelengths 55 reticles 55 eyepieces 55 microlens 55 microshutters 55 photometer 55 reed switches 55 Cepheid variables 55 HID lamp 55 inductive proximity 55 photoelectric sensors 54 lightwaves 54 photosensor 54 infra red sensors 54 Fresnel lenses 54 electromagnetic coils 54 magnetisation 54 microlens array 54 emission nebula 54 eclipsing binary 54 retroreflector 54 HIDs 54 infrared photons 54 UV lasers 54 Polarized lenses 54 X ray wavelengths 54 headlight bulbs 54 beryllium ion 54 Adaptive headlights 54 Infrared sensors 54 stud finder 53 halogen headlights 53 loupe 53 hex wrench 53 KH #D 53 liquid crystal molecules 53 ellipsoidal 53 motor windings 53 Adaptive optics 53 1μm 53 microswitches 53 redshifts 53 elongated orbits 53 convex lenses 53 Si substrate 53 LCD readout 53 intrinsic brightness 53 reflector 53 AGNs 53 parabolic reflectors 53 Xenon lamps 53 scanning electron microscopes 53 nanoribbon 53 softbox 53 rotating bezel 53 X ray photons 53 collimator 53 photomultiplier tube 53 repeater lamps 53 collimated beam 53 nanodots 53 pushbutton switch 53 linearly polarized 53 ultrasonic sensors 53 lens tints 53 deformable mirror 53 Photonic crystals 53 photoluminescence 53 Optitron 53 Dobsonian 53 eyepiece 53 diffraction grating 53 aberration correctors 53 dimensional tolerances 53 piezo ceramic 53 Optical zoom 53 Xenon lamp 52 metal halide lamps 52 brightnesses 52 exoplanets orbiting 52 CCFL tubes 52 rhodium plated 52 magnetically coupled 52 phosphor coating 52 allen wrench 52 vibrational modes 52 UV wavelengths 52 detector arrays 52 eyepiece viewfinder 52 5μm 52 windings 52 weld seam 52 nanoantenna 52 mounting flange 52 photomultipliers 52 diopter adjustment 52 quartz watches 52 dowel pins 52 monochromators 52 beam splitter 52 pn junctions 52 fresnel lens 52 relativistic particles 52 Halogen lamps 52 resonance frequency 52 filament bulb 52 retroreflective 52 PWM output 52 Epsilon Eridani 52 1W LED 52 Josephson junction 52 GJ #b [002] 52 adatoms 52 X ray telescopes 52 photoelectric sensor 52 telescope eyepiece 52 piezoelectric ceramic 52 CPU heatsink 52 spectroscope 52 halogen headlight 52 Galilean moons 52 beam splitters 52 gimbals 52 massless particles 52 lensing galaxy 52 ion thrusters 52 hexagonal mirrors 52 ZnSe 52 infrared laser pulses 52 aspheric lens 52 Passive tags 52 xenon bulbs 52 microlenses 52 UVIR 52 Fabry Perot 52 surface plasmon 52 piezo actuator 52 Cosmic Origins Spectrograph COS 52 magnetars 52 ionized gases 52 Mössbauer 52 IR emitter 52 Headlamps 52 single photon detectors 52 SN #A 52 sinusoid 52 reddish orange hue 52 nanoantennas 52 infrared illuminator 52 neodymium iron boron magnets 52 AB Aurigae 51 ring resonator 51 RGB LEDs 51 inorganic LEDs 51 quartz oscillators 51 microcavity 51 SGR J# 51 LEDs illuminate 51 millimeter wavelengths 51 interacting galaxies 51 plumb bob 51 deformable mirrors 51 qdots 51 sunvisors 51 crystal oscillator 51 circularly polarized light 51 Velcro patches 51 metal halide lamp 51 Four Thirds lens 51 mercury vapor lamp 51 xenon lamp 51 handwheel 51 photometric 51 spectral measurements 51 microswitch 51 nanostructured silicon 51 bimetal 51 florescent bulbs 51 fluorescent ballasts 51 magnifying lenses 51 socket wrenches cameras 51 precise atomic clocks 51 thyristor 51 NGC# 51 Delta Cephei 51 diffraction patterns 51 Triflex R 51 polarizing filter 51 infrared emitter 51 Wolf Rayet stars 51 Supersonic Wave Drive 51 SQUIDs 51 nanosecond pulse 51 electromagnets 51 Ultrasonic sensors 51 Meade mySKY 51 chondrules 51 Invisibility cloak 51 wiper motors 51 laser optics 51 microbalance 51 JILA scientists 51 Epsilon Aurigae 51 infrared LEDs 51 dichroic 51 Proxima Centauri 51 lenses 51 invisibility cloaking 51 circular polarizer 51 photons emitted 51 nonmagnetic 51 Golden DRAGON 51 Passive RFID tags 51 photodiode 51 Ultra FilterBright 51 LED nightlight 51 Telephoto lenses 51 hexagonal pattern 51 synchromesh 51 xenon lamps 51 multiphoton 51 electrolytic capacitor 51 scintillator 51 linear Fresnel 51 UV photons 51 collinear 51 spherical halo 51 LED arrays 51 speedometer odometer 51 X ray binary 51 lenticular sheet 51 spatial dimensions 50 superconducting qubit 50 ring resonators 50 cam shaft 50 bistable 50 frequency comb 50 spinning platters 50 magnetrons 50 jeweler loupe 50 X ray pulses 50 #x magnification [002] 50 repositionable adhesive 50 variable resistor 50 Photochromic lenses 50 TVS diode 50 collimated 50 voltmeter 50 magnesium ion 50 AFM probes 50 taillamp design 50 nitrogen atoms 50 capacitive sensors 50 color fringing 50 shorter wavelengths 50 emitted photons 50 dye sensitized cells 50 unpolarized 50 star Proxima Centauri 50 subdials 50 rotary encoders 50 ultrasonic motors 50 interstellar dust clouds 50 pyrometer 50 dye molecules 50 supergiant stars 50 absorbs ultraviolet 50 projector headlights 50 varistors 50 anodized finish 50 dipole moment 50 ferrite magnets 50 strontium atoms 50 parabolic troughs 50 carbides 50 helium nuclei 50 tire sidewalls 50 emit photon 50 feedthroughs 50 subpixel 50 magnifications 50 Gaussian beam 50 stator windings 50 countersunk 50 nanoworld 50 alkali atoms 50 optical spectra 50 photodiodes 50 loupes 50 galvanometer 50 SLR lenses 50 SIM card tray 50 VHE gamma rays 50 collimating 50 photolithographic techniques 50 cosmological distances 50 emit electromagnetic waves 50 DSLR lenses 50 crystal lattices 50 atomic lattice 50 aspherical 50 nanometer wavelength 50 argon plasma 50 LUXEON Rebel LEDs 50 baseplate 50 ferrite core 50 ultraviolet wavelengths 50 Cherenkov radiation 50 pentaprism 50 emit X rays 50 eyecups 50 wavefront 50 tungsten filament 50 helium atoms 50 6mm diameter 50 millisecond pulsars 50 cryostat 50 parabolic dish 50 infrared imager 50 astronomical telescopes 50 rotational axis 50 linearly polarized light 50 digital readouts 50 glows brightly 50 supergiant star 50 NIRSpec 50 HM Cancri 50 cylinder bores 50 mercury vapor lamps 50 mounting flanges 50 ultrasonic transducers 50 qubit quantum 50 submillimetre 50 OPTEK 50 Spitzer infrared 50 concave surfaces 50 photon detector 50 Carry flashlight 50 piezo actuators 50 infrared ultraviolet 50 tachymeter 50 emissivity 50 mercury cadmium telluride 50 silica spheres 50 photons particles 50 magnetostrictive 50 fletching 50 submillimeter wavelengths 50 filamentary structure 50 belay device 50 fuzzy blob 50 MR# halogen 50 overhead cams 50 Gorillatorch 50 quantum cascade 50 UVC rays 50 telescopes microscopes 50 antiparticle 50 rotary encoder 50 piezoelectric motors 50 rotary knobs 50 #W halogen 50 Arches Cluster 50 Type Ia supernovae 50 fluorescing 50 microbatteries 50 keypad backlight 50 tractor beam 50 TRIAC 50 Patek Philippe Ref 50 gridlines 50 tachometers 50 Fermions 50 aperture 50 timebase 50 piezoelectric actuators 50 magnetic coil 50 concave mirrors 50 Type 1a supernovae 50 radiometers 50 sapphire crystals 50 μm diameter 50 diffraction pattern 49 hex nut 49 deconvolution 49 adaptive headlamps 49 VLTI 49 reflection nebula 49 Marc Kuchner 49 planet orbits 49 photonic crystal 49 gyro sensors 49 parallax 49 Type Ia 49 beam headlight 49 dual exhaust pipes 49 circularly polarized 49 photonic crystals 49 refract light 49 Dimmer switches 49 inductances 49 micromachined 49 wattage lamps 49 monochromator 49 Luxeon 49 ultradense 49 galaxy M# [001] 49 inductive sensors 49 photosensors 49 piezoelectric sensors 49 optical viewfinders 49 bypass diodes 49 phosphor coated 49 trifocals 49 LED taillight 49 laser speckle 49 antiparallel 49 sinewave 49 particle accelerators 49 aspherical glass 49 Reflectors 49 GaN LEDs 49 telecentric 49 outermost planets 49 beam shaper 49 TPMS sensor 49 Ritchey Chrétien 49 Peony nebula star 49 sunglass lenses 49 Pentax lens 49 rubberized grip 49 chrome bezel 49 waveband 49 backscattered 49 blazars 49 Panasonic Lumix DMC GF2 49 illuminance 49 linear encoder 49 Translucent Mirror Technology 49 xenon bulb 49 detuning 49 crystals 49 coronagraph 49 bolometer 49 Hyades cluster 49 baryon 49 gauss 49 HD# [005] 49 circular polarized 49 submillimeter 49 subminiature 49 spherical particles 49 fluorescent nanoparticles 49 Pleiades cluster 49 wavelength lasers 49 LED headlamps 49 coil windings 49 preamp tubes 49 Antennae Galaxies 49 pulsed lasers 49 globulars 49 photocurrent 49 impeller blades 49 Red Rectangle 49 HID lamps 49 amber LEDs 49 tubular skylight 49 nanoparticle arrays 49 celestial sphere 49 galvo 49 bandgaps 49 parabolic reflector 49 LED headlight 49 Comet Holmes 49 tach 49 ignition switches 49 chrome bezels 49 Kuiper belt objects 49 spectrographs 49 Chromatic aberration 49 millivolt 49 haloes 49 microlens arrays 49 backspacing 49 photonic crystal fibers 49 planets orbits 49 Compact fluorescents 49 HID headlights 49 Headlamp 49 torque sensing 49 florescent tubes 49 chromophores 49 telescopic steering 49 Fluorescents 49 hadron 49 tuning knob 49 atoms 49 watt halogen bulb 49 flashgun 49 headlight bulb 49 vertical slits 49 fluorescent tube 49 magnetic monopole 49 nonreflective 49 Fresnel lens 49 diodes 49 nanorod 49 photometry 49 spherical shapes 49 silicon waveguide 49 accretion disks 49 scanning tunneling microscope 49 ZnO nanowires 49 aperiodic 49 LEDs 49 sunglass frames 49 Indiglo 49 superatoms 49 low wattage bulbs 49 origins spectrograph 49 z axis 49 IP# enclosure 49 Optio P# 49 dot peen 49 toroids 49 recessed downlight 49 thermocouples 49 wavefunction 49 foglamp 49 Bose Einstein Condensate 49 incandescent lamp 49 UHP lamp 49 electroluminescent lighting 49 optical microscopes 49 rechargable 49 magneto 49 darkfield 49 exoplanetary 49 planets moons 49 PWM signal 49 rover robotic arm 49 transmissivity 49 metallic nanostructures 49 tungsten halogen 49 aspheric lenses 49 jobbies 49 electron spins 49 gravitational radiation 49 inductive coil 49 beam headlamps 49 optical sectioning 49 Fisheye Optic 49 polycarbonate lenses 49 photodetector 49 epicyclic 49 Ricoh GXR 49 optomechanical 49 Mini TES 49 quantum superposition 49 electroluminescent gauges 49 parallax barrier 49 PowerBox 49 radiator fins 49 infrared wavelength 49 spherical lens 49 aspherical lens elements 49 faraway galaxy 49 keystone correction 49 electrostatic filters 49 excitons 49 helical gears 49 wavefronts 49 superpositions 49 VR lens 49 Hipparcos 49 HARPS instrument 49 LCD viewfinder 49 highly elliptical orbits 48 polarimetry 48 geo synchronous satellites 48 parabolic mirror 48 Orion nebula 48 solenoid 48 peening 48 dynamical evolution 48 YAG lasers 48 diode arrays 48 servo controllers 48 colloidal crystals 48 MOVs 48 projector beam headlights 48 capacitive coupling 48 foreground galaxy 48 ESO VLT 48 dimmable LED 48 remotely controllable 48 Bug Nebula 48 Incandescent lights 48 aluminum pistons 48 Helix Nebula 48 coiled wire 48 Dektak 48 electromagnet 48 halogen headlamps 48 pentaprism viewfinder 48 frosted acrylic 48 lasers 48 fluorescence microscope 48 mating connector 48 amber flashing lights 48 silicone caulk 48 Venus transits 48 SolarBeam 48 wavelength tunability 48 equilateral triangle 48 Hubble gyroscopes 48 inductive loads 48 elliptical shapes 48 CNC machined aluminum 48 bootlid 48 antineutrino 48 instrument binnacle 48 rusted bolts 48 eddy currents 48 infrared spectrometers 48 Doppler shifts 48 gaussian 48 backlit gauges 48 ferromagnets 48 frequency combs 48 glass prisms 48 T5 lamps 48 Light Emitting Diodes LEDs 48 motors actuators 48 2kHz 48 RRATs 48 torque limiter 48 orbital angular momentum 48 pushbuttons 48 ratiometric 48 nanostars 48 borosilicate glass 48 bowtie shaped 48 synthetic aperture 48 supersymmetric particles 48 infra red radiation 48 Higgs bosons 48 combiner box 48 2μm 48 RS Ophiuchi 48 servo motors 48 pinion gears 48 CoRoT #b 48 headlamp leveling 48 antishake 48 Brembo brake calipers 48 micromirror 48 Metal Halide 48 Halogen bulbs 48 xenon headlamps 48 sundog 48 sunglass lens 48 Upsilon Andromedae 48 Josephson junctions 48 silicone encapsulation 48 highpass filter 48 XM L EasyWhite 48 DIN rails 48 Crab Pulsar 48 proton particles 48 shifter knob 48 aspheric 48 Magnifying glasses 48 audible beep 48 autofocus sensor 48 rotaxanes 48 LED headlamp 48 ceramic resonators 48 cantilever deflection 48 HV# [001] 48 argon ion 48 magnifying lens 48 SN#A 48 Ring Nebula 48 opto electrical 48 galaxy NGC# 48 rubidium atom 48 ON OFF 48 polystyrene spheres 48 rotor shaft 48 piezo electric 48 Crab pulsar 48 spiral nebulae 48 Accelerometers 48 Hawking radiation 48 membrane keypad 48 filamentary 48 soleplate 48 detect gamma rays 48 earthlike planets 48 threshold voltages 48 periodic dimming 48 cuvettes 48 antiproton 48 quantum particle 48 CMOS transistors 48 Kerosene lamps 48 antireflective coating 48 magnification 48 fluorescent backlight 48 Magnetically 48 headlights taillights 48 Raman scattering 48 satelites 48 THz radiation 48 Xenon HID 48 gnomon 48 LED taillamps 48 Reciprocating Saw 48 TFTs 48 anamorphic lens 48 absorbance 48 #nm laser [002] 48 starbursts 48 curtain tiebacks 48 halogen lights 48 ballscrews 48 shutter glasses 48 electron positron 48 nanomagnets 48 monopole antenna 48 EOAT 48 SUSY 48 Butterfly Nebula 48 speedometer tachometer 48 pantographs 48 wavebands 48 interlock switches 48 filaments 48 serpentine belt 48 nebulae 48 millisecond pulsar 48 ESO PR 48 Michelson interferometer 48 ultrasonic sensor 48 fluorophores 48 type Ia supernova 48 gamma ray detectors 48 PWM frequency 48 halogen bulb 48 magnetic fields 48 casement window 48 OSRAM LED 48 HV# [003] 48 nanomotors 48 monovision 48 photolithographic 48 ballscrew 48 nematic 48 donor acceptor 48 digitisers 48 rotational symmetry 48 intake plenum 48 quasicrystal 48 magnetic flux 48 grille inserts 48 suction pads 48 nucleon 48 helical gear 48 brass knobs 48 quantum cascade laser 48 rubidium vapor 48 antimatter particles 48 wavelengths 48 metal halides 48 TRV# [002] 48 infra red sensor 48 image intensifiers 48 ULP cepheids 48 Active Shutter glasses 48 Milky Way halo 48 DSSCs 48 Gaussian filter 48 idler pulley 48 extrasolar 48 zoom lever 48 ultraviolet imaging spectrograph 48 tungsten filaments 48 wirewound resistors 48 supernovae explode 48 capacitances 48 serpentine belts 48 RGB LED 48 zodiacal light 48 microquasar 48 visible wavelengths 48 dimmer switches 48 gimbaled 48 microlensing events 48 pushbutton switches 48 toolholder 48 micrometre 48 terahertz waves 48 emission wavelength 48 Sagittarius dwarf galaxy 48 Geminga 48 gearset 48 Spider webs 48 magnetic excitations 48 Rain Sensing Wipers 48 f#.# lens 48 MRFM 48 cesium vapor 48 Fluorescent lamps 48 piping valves 48 airglow 48 collimation 48 Hadron collider 48 single axis trackers 48 Cepheids 48 extraterrestrial UFOs 48 electroluminescence EL 48 LED headlights 48 apertures 48 Crab Nebula 48 1D barcodes 48 crystalline Si 48 superconducting coils 48 ultrananocrystalline diamond 48 DUTs 48 penlight 48 nanotube transistors 48 toroidal 48 rectangular prism 48 rev counter 48 electron bunches 48 submillimetre wavelengths 48 snubber 48 stators 48 PIN diodes 48 chrome exhaust tips 48 6mm thick 48 octahedron 48 oblique angles 48 inhomogeneities 48 plasmon 48 wavefront sensing 48 magnify objects 48 rear window defogger 48 spectro 48 neon tubes 48 oscillation frequency 48 Door knobs 48 QDs 48 beadlock 48 prolate 48 X ray detector 48 macroscopic objects 48 friction coefficients 48 PAR# LED 47 Incandescent bulbs 47 isotherms 47 hex nuts 47 IRAS #-# 47 Cold Cathode 47 diffractive optical elements 47 voltage halogen 47 honeycomb structure 47 dendrite formation 47 spectra 47 galaxies collide 47 axis accelerometers 47 SINFONI 47 lightswitch 47 phosphors 47 trans Neptunian objects 47 foglight 47 headlight lenses 47 superlenses 47 cosmic gamma rays 47 Fluorescent bulbs 47 capacitive touch sensors 47 sturdy tripod 47 chrome ringed 47 vernier 47 optical encoders 47 helium atom 47 #.#in LCD screen 47 dipole magnets 47 SWCNT 47 boron nitride 47 headlamps 47 fender vents 47 W bosons 47 honeycomb pattern 47 FE SEM 47 specular 47 fluorescent dye molecules 47 optically pumped 47 nosepiece 47 NdFeB magnets 47 knurled 47 Ritchey Chretien 47 overhead gantries 47 secondary windings 47 pyroelectric 47 Voorwerp 47 magnetic coupling 47 threaded inserts 47 puddle lamps 47 photomultiplier 47 ferrite beads 47 infra red rays 47 bi Xenon 47 Speedlite #EX II 47 spectrophotometers 47 fluorescent lamp 47 capillary tubes 47 DC LVDT 47 telescope 47 distant supernovae 47 optical telescopes 47 dimensional photonic crystal 47 Bosons 47 chromophore 47 quantum mechanically 47 magnetron 47 helium ions 47 parabolic antenna 47 trickle charger 47 twin turbos 47 planetary gears 47 quartz crystal oscillator 47 headlamp washers 47 prisms 47 colloidal particles 47 Co2 laser 47 watt lamp 47 photoelectric switches 47 OP# [003] 47 shaft encoder 47 Spiral galaxies 47 silicon monoxide 47 optics 47 magnetic vortices 47 pistons valves 47 interferometry 47 chrome grilles 47 silicate dust 47 HPS lamps 47 emissive displays 47 titanium aluminide 47 photons 47 terahertz frequencies 47 zinc selenide 47 gobos 47 Powercore 47 Lyman alpha 47 semiconductor nanocrystals 47 Nd Yag 47 QMEMS 47 proto galaxies 47 PIN diode 47 nucleons 47 LDO voltage regulators 47 Sombrero Galaxy 47 dipole antenna 47 planetary Transits 47 detents 47 Mott insulator 47 RGB pixels 47 electronic viewfinders 47 pulsed laser 47 triode 47 reverse polarity