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(Click for frequent words.) 66 Axio Imager 66 Nikon AF 65 mm f/#.# ASPH 65 SCHNEIDER KREUZNACH 64 #mm #:#.#-#.# 64 pancake lens 64 ZEISS 64 Zuiko Digital 64 #mm f#.# [001] 64 autoclavable 63 VARIO ELMAR 63 NeuroArm 63 flexible gooseneck 63 FUJINON 63 5x zoom lens 63 Digital Camera Introduction 63 Interchangeable Lens 63 Ricoh GXR 63 surgical microscopes 63 ZUIKO DIGITAL ED 63 LEICA D 63 Artis zeego 62 #mm f4 62 F#.# aperture 62 Toshiba Infinix 62 Digital Microscope 62 ® Vario Tessar 62 #.#x zoom lens 62 Nikkor lens 62 telephoto zoom lens 62 aspheric lens 62 #mm f/4G ED VR 62 Infinix 62 confocal 62 multiphoton 62 LUMIX G 62 Medium Format 62 MultiWave 62 i Function 62 Vario Tessar 62 #mm f/#.#-#.# [002] 62 #mm f/#.#G 62 S Nikkor 62 AstroScope 62 confocal scanning 61 #.#T MRI 61 FE SEM 61 #mm f/#.# [001] 61 fiberscopes 61 AxioVision 61 Fujinon 3x optical zoom 61 quantum cascade 61 Brilliance iCT 61 helium ion 61 EXR sensor 61 VisuMax 61 spectroradiometers 61 nanopositioning stages 61 bright F#.# 61 f#.# f#.# 61 EMCCD 61 Macro Lens 61 Lumix G 61 Micro Nikkor 61 S DX NIKKOR 61 NIKKOR lens 61 NIS Elements 61 4x optical zoom lens 61 Super HAD CCD 61 #mm #mm equiv 61 Exmor CMOS sensor 61 6x zoom 61 telecentric 61 6x optical zoom lens 61 VR lens 61 #mm #mm equivalent [002] 61 ZUIKO DIGITAL 61 4x zoom lens 61 Pentax lens 61 optical sectioning 61 super telephoto lens 61 #mm f/#-#.# 61 f/#.# lens 61 FinePix S#fd 60 #mm equiv [001] 60 EX DG HSM 60 Fisheye Lens 60 FinePix J# [001] 60 Wescam MX 60 DX Zoom Nikkor 60 RP Processor 60 #.#X optical zoom 60 collimators 60 TECNIS R 60 CMOS Sensor 60 confocal laser scanning 60 teleconverter 60 microfocus 60 BIONZ processor 60 HI VISION 60 TeleEye 60 #mm F2 60 Fusion Splicer 60 mm F#.# 60 Crystalens HD 60 fundus camera 60 ED VR II 60 megapixel FinePix 60 fluoroscopic imaging 60 HRTEM 60 E PL2 60 DX Nikkor lenses 60 #/#.#-inch CCD [002] 60 Canon EOS #D [003] 60 Leaf Aptus 60 Optio A# 60 Micro Epsilon 60 S#FS 60 inductive proximity 60 multifocal lens 60 submillimetre wavelengths 60 SXGA resolution 60 STV# 60 MultiViewer 60 ASPH lens 60 super telephoto zoom 60 LEICA DC VARIO ELMARIT 60 electronic viewfinders 60 PowerShot G9 60 PTZ dome cameras 60 Acuson S# 60 galvo 59 Digital Camera Announced 59 Zoom Nikkor lens 59 TTL compatible 59 RealHand 59 Leica Dicomar 59 gimbaled 59 DMC TZ1 59 4X optical zoom lens 59 5x optical zoom lens 59 6x optical zoom 59 #x magnification [001] 59 Fujifilm FinePix 59 uEye 59 3x optical zoom lenses 59 Nikon DX 59 #mm F4 [002] 59 Tokina 59 ZF lenses 59 Pan Tilt 59 AF# #mm 59 Deadlinepix 59 EOS #Da 59 Optoma Pico 59 #.#x optical zoom [002] 59 EOS Rebel T1i 59 Genuine Canon 59 emission scanning electron 59 Nikkor 59 widefield 59 5X optical zoom lens 59 Printhead 59 diopter adjustment 59 α# [002] 59 Caplio 59 TruLaser 59 LEICA 59 Helium Ion Microscope 59 #mm F/#.# [001] 59 Fujifilm FinePix F# [001] 59 VR Vibration Reduction 59 servo amplifiers 59 Crystalens AO 59 S2 IS 59 AXIS P# [002] 59 aperture lens 59 maxon 59 Helmet Mounted Display 59 Leuze electronic 59 PowerShot SX# IS [001] 59 f/#.#-#.# 59 Xenics 59 Leica rangefinder 59 Fluke #A 59 Speedlite #EX II 59 Confocal 59 XGA TFT 59 Nova NanoSEM 59 H4D 59 Nikkor lenses 59 S NIKKOR #mm 59 Wireless Transmitter WT 59 Zoom lens 59 micron pixel pitch 59 C#P 59 H2D 59 f/#.# f/#.# 59 Vibration Reduction 59 Sinumerik 59 Vinten Radamec 59 HOUSE Remains 59 Surgical Simulation 59 Xtra Fine 59 FinePix S#FS 59 D2Hs 59 Digital Camera Review 59 Voluson 59 Super CCD EXR 59 Speedlite 59 Leica Dicomar lens 59 Minolta DiMAGE 59 EF #mm 59 Curon Control 59 Micro Piezo 59 DMC G1 59 toric lens 58 Thermo Scientific Nicolet 58 Flat Panel Detector 58 EO IR sensor 58 Phased Array 58 #/#.#-inch CCD [001] 58 Fujifilm FinePix F# [002] 58 ultra telephoto zoom 58 PROPRIO FOOT 58 Optio V# 58 FluxData 58 E #mm f/4L 58 Fastcam 58 mm f/#.# 58 #K pixel 58 IS USM 58 OmniVision OV# 58 PENTAX Optio 58 Single Photon Emission Computed 58 zoom lens #mm 58 piezo motor 58 f/#.#G 58 varifocal lens 58 Exlar 58 collimator 58 α# [001] 58 AHMD 58 Panasonic Lumix DMC GF2 58 3CCD 58 SCHUNK 58 monochromators 58 Active Shutter 58 #mm f/#.#-#.# [001] 58 #mm f/#.#G ED 58 Full Auto Tonometer 58 telecentric lenses 58 DualHead 58 #mm f/#.# [002] 58 CCD imagers 58 Z# IS [002] 58 LEICA M9 58 Axio Observer 58 megapixel CCD sensor 58 iU# 58 UV HDC 58 #/#-inch CCD 58 Nikkor #mm 58 #mm f/#.# lens [002] 58 4x optical 58 CCD imager 58 SWIR cameras 58 MINOX 58 PTZ Pan 58 #x Zoom 58 Spectrophotometer 58 smc Pentax 58 wavelength tunable 58 detector arrays 58 Miniaturized 58 D3X 58 laser scanning confocal 58 Optical zoom 58 Fuji FinePix 58 Interferometric 58 super telephoto lenses 58 Ziehm Imaging 58 inch vari angle 58 Olympus E# 58 Microscopes 58 megapixel CCD camera 58 Optio P# 58 HDR rendering 58 Fujifilm FinePix S#HD 58 SANYO Xacti 58 RSoft 58 VisionPro 58 #/#.# inch 58 #mm F#.# [002] 58 #HS [001] 58 Samsung SL# 58 Infrared Thermometer 58 proprietary Zone Sonography 58 FinePix S#EXR 58 EOS Rebel XS 58 DLP Pico ™ 58 Pentax DSLR 58 Foveon X3 58 Level Transmitter 58 imagePress 58 Solenoid Valve 58 PowerShot SX1 IS 58 f#.# lens 58 telephoto zoom 58 IF SDM 58 SLR styled 58 Optio S# 58 Samsung Digimax 58 aspheric lenses 58 Exif Print 58 Dual Wavelength 58 TECHSPEC 58 inverted microscope 58 SOMATOM Definition AS 58 tunable filter 58 4X zoom 58 Sony DCR DVD# 58 Ultra Wide Angle 58 Panasonic GF1 58 LZ5 58 #HT [003] 58 daylight readable 58 Fujifilm FinePix Real 58 Philips Brilliance 58 FujiFilm FinePix 58 SLR lens 58 Scanning Probe Microscopy 58 DLP Projector 58 rangefinder camera 58 3x Zoom 58 Olympus Zuiko Digital 57 Dual Lens 57 illuminated CMOS sensor 57 #x magnification [002] 57 S DX Nikkor 57 videoscope 57 Scanning Probe 57 FourThirds 57 FD OCT 57 Supersonic Wave Drive 57 ProFire Excel 57 Digic III processor 57 COOLPIX P# [003] 57 Canon G9 57 DiMAGE 57 Computer Assisted Surgery 57 Frame Creation 57 pixel CMOS 57 Four Thirds lens 57 LEXT 57 OLED XL 57 Molecular Breast 57 HDS# 57 HMDs 57 #X zoom lens 57 laser diode modules 57 Megapixel PowerShot 57 #mm f#.# lens 57 infrared LEDs 57 #mm equiv [002] 57 UV Visible 57 Tomography OCT 57 EX FC# 57 L#A [001] 57 Aplio 57 #.#M pixel 57 TECNIS ® 57 CalMAN 57 #.#mm diameter [002] 57 DEV DA TOMAR NEXT 57 KODAK EASYSHARE P# 57 Telephoto Zoom Lens 57 Discovery CT# HD 57 Ion Trap 57 S Nikkor #mm 57 LZ# [003] 57 WxDxH 57 SLR lenses 57 VideoMate 57 DSC H9 57 D#S [002] 57 FZLED 57 Metrology System 57 1W LED 57 Picture Stabilisation 57 Megapixel CCD 57 Carl Zeiss Vario Tessar 57 Translucent Mirror Technology 57 TrueFocus 57 Zoom Lens 57 Distagon T * 57 #mm f/#.#D 57 DIGIMAX 57 AF S NIKKOR 57 EDXRF 57 Imago LEAP 57 SIRAL 57 Lumix FX# 57 Forwardscatter 57 Excimer Laser 57 multiaxis 57 pentaprism viewfinder 57 D# digital SLR [001] 57 ReZoom 57 XEED 57 volumetric imaging 57 photonic crystal fibers 57 Angenieux 57 Waterproof Camera 57 EOS 1D 57 Lensbaby 3G 57 KODAK EASYSHARE V# [002] 57 Gorillapod Magnetic 57 BIONZ image processor 57 phoenix x ray 57 #mm f#.# [002] 57 #:#.#-#.# 57 microcatheters 57 Cone Beam Computed Tomography 57 JTAG Boundary Scan 57 microplate reader 57 linear encoder 57 ultra telephoto 57 PowerShot Pro1 57 LADAR 57 Foveon X3 sensor 57 AZ# [001] 57 multisensor 57 #mm #mm [002] 57 F/#.# 57 BDM #K 57 laparoscopic instrumentation 57 NXCAM 57 DMC FZ8 57 LX2 57 Shake Reduction 57 Facet Gun 57 Optio RS# 57 Panasonic Lumix DMC TZ# 57 Megapixel CCD sensor 57 Schneider Kreuznach Variogon 57 SuperCCD 57 mega pixel sensor 57 WITec 57 LEICA M8 57 Artis zee 57 BSI CMOS 57 Pentax digital SLR 57 Photometer 57 Zuiko 57 #mm f/#.# Macro 57 Digital SLR Cameras 57 Veeco Introduces 57 mask aligner 57 Image Stabiliser 57 native XGA resolution 57 Fujinon #x 57 LUMIX G VARIO #-#mm/F#.#-#.# 57 visible NIR 57 Coolpix P# [003] 57 DMC GH2 57 5x optical 57 H3D 57 8x optical zoom 57 #.#x zoom 57 Anterior Cervical 57 piezo actuator 57 Image Guided Surgery 57 Aspheric 57 Canon imageRUNNER ADVANCE C# 57 servo amplifier 57 S#C [001] 57 DuraBrite 57 Zoom Nikkor 57 Panasonic Lumix FX# [002] 57 ZR3 57 #mm x 57 Joby Gorillapod 57 spherical lenses 57 GigE Vision compliant 56 Laser Radar 56 optically stabilized 56 illuminated Exmor R 56 FinePix Z5fd 56 angle zoom lens 56 DMC GF1 56 TDR TDT 56 magnetostrictive 56 DSC H# 56 PowerShot S1 IS 56 HepcoMotion 56 Canon Color imageRUNNER 56 Aplio XG 56 5Mp 56 LCD Displays 56 Pentax K#D [001] 56 OEM NIBP 56 angle Leica lens 56 #mm F#.# SAM 56 SELPHY 56 Temposonics 56 Optical Coherence Tomography 56 Pro #EX 56 ME# [002] 56 PENTAX digital SLR 56 Olympus E PL2 56 TruFluor 56 FinePix S# [002] 56 Vibration Reduction VR 56 Zyoptix 56 Linear Actuators 56 MWIR 56 Scalance 56 DiMAGE X1 56 JVC GR 56 Viewing Angle 56 Sony ICX# 56 megapixel Optio 56 Uncooled 56 SLT A# 56 ATS CryoMaze 56 laser diode module 56 Highly Flexible 56 digitisers 56 megapixel imager 56 Sanyo Xacti 56 inkjet printhead 56 Positron Emission Tomography Computed 56 Ricoh Caplio 56 ACUTRONIC USA 56 syngo ® 56 Fluoroscopy 56 Zoom NIKKOR lens 56 DSLR lenses 56 CXDI #C 56 Wafer Bonding 56 electrosurgical generator 56 3x zoom lens 56 FinePix E# Zoom 56 Continuous Shooting 56 Flexar 56 #mm F/#.# [002] 56 Megapixel CMOS 56 electro optical infrared 56 optical zoom lens 56 iris diaphragm 56 EOS SLR 56 Samsung NX# [001] 56 narrow bezel 56 SOMATOM Emotion 56 Optical Profiler 56 Quick Retouch 56 angle Leica 56 Leica lens 56 #x# WXGA resolution 56 #mm f/#.#-#.#G ED VR 56 Gefran 56 3x optical Zoom Nikkor 56 Speedlites 56 Z5fd 56 Toshiba Aquilion ONE 56 Linear Actuator 56 megapixel APS 56 DMC GH1 56 electron optics 56 Samsung HZ#W 56 S NIKKOR 56 X ray microanalysis 56 F# EXR 56 Olympus E PL1 56 Moritex 56 Fujinon lens 56 Caplio RR# 56 Infinix i 56 optomechanical 56 Intuitive Surgical da Vinci 56 Multilayer Ceramic 56 ImageLink 56 www.nikonusa.com 56 LUMIX GF1 56 3X optical zoom lens 56 Infrared IR 56 FlexTT5 56 Fujifilm FinePix S#fd 56 beam expanders 56 tri axial 56 SP C#SF 56 EOS Rebel T2i 56 infrared ultraviolet 56 F#.# F#.# 56 FlexScan 56 Panasonic DMC FX# [002] 56 #mm F#.# [001] 56 Canon EOS Digital SLR 56 touchmonitor 56 3X optical 56 Schneider Kreuznach certified 56 F#fd [002] 56 LUMIX cameras 56 USM lens 56 Vicon MX 56 uHTS 56 nanopositioning 56 Olympus XZ 1 56 XH G1 56 cannulated screws 56 CMOS imager 56 #mm F#.# lens 56 EOS Rebel XSi 56 Scanning Probe Microscope 56 borescopes 56 bayonet mount 56 videoscopes 56 Xacti VPC 56 laser interferometer 56 #mm f/#.# ASPH 56 Coolpix S1 56 DMC ZS7 56 F#EXR [001] 56 Tomography SPECT 56 Pan Tilt Zoom 56 3x zoom 56 Prosilica 56 #/#.#-inch [002] 56 telephoto macro 56 Voxar 3D 56 Aplio TM 56 microbolometer 56 stereotactic biopsy 56 Lens Shift 56 #MP sensor 56 spectral imaging 56 4D imaging 56 wavefront sensing 56 FinePix S#HD 56 mm equiv 56 Cartesian robots 56 Sony DSLR A# 56 Ziehm Solo 56 f/#.# aperture 56 G#SE 56 TrueVision 56 PowerShot S2 IS 56 Force Microscopy 56 Z#fd [002] 56 eyepiece viewfinder 56 DMC FH# 56 tolerancing 56 Aplio MX 56 EnSite Velocity System 56 VESA mounting 56 TECHSPEC ® 56 piezo actuators 56 #mm VR [002] 56 #nm #nm [002] 56 darkfield 56 3X zoom lens 56 ClearVid CMOS Sensor 56 Kodak V# 56 Coolpix S# [003] 56 beamsplitters 56 photoelectric sensor 56 Pentax Optio E# 56 microlens 56 subminiature 56 Sony Exmor 56 laser triangulation 56 Adaptive optics 56 Toric lens 56 Waterproof Digital Camera 56 TTL flash 56 Scanning Laser 56 BioScope II 56 PowerShot G7 digital 56 Chroma Meter 56 Four Thirds cameras 56 X ray microscopy 56 Multifocal 56 ATEM 55 micromirror 55 tripod socket 55 Exmor ™ 55 CameraLink 55 3x optical 55 #.#x magnification [001] 55 Imaging MBI 55 da Vinci r 55 NIKKOR 55 SCHNEIDER KREUZNACH VARIOGON 55 pin 3mm x 55 Nikon VR 55 iCure AS# 55 Senseye 55 Intelligent Auto iA 55 aspheric 55 CAN BUS 55 telecentric lens 55 Signal Conditioner 55 #x Optical Zoom 55 aspherical glass 55 #mm #mm equivalent [001] 55 MTS# 55 AFMs 55 Dye Sublimation 55 DRE Maxx Luxx 55 Kopin CyberDisplay 55 intraoral camera 55 SuperBright 55 rotationally symmetric 55 #/#BaseT Ethernet 55 DC Vario Elmarit 55 ThermoVision 55 Pentax X# 55 Leaf Aptus II 55 VARIO 55 megapixel #/#.# 55 SmartLF 55 Nikon P# 55 Hexapod 55 Infrared Camera 55 MotionPod 55 industrial inkjet printing 55 endoscopic surgical 55 Signal Generator 55 Ultra Zoom 55 powerful #x optical 55 DMC FS3 55 Infrared Sensor 55 angle Zoom NIKKOR 55 refractive cataract surgery 55 3x optical zoom lens 55 stylus profilers 55 circular aperture 55 Image Processor 55 rotary encoder 55 Nikon D#s [002] 55 IDET 55 astigmatism presbyopia 55 Simitri HD 55 Telephoto Lens 55 EF S# 55 Coordinate Measuring Machine 55 electro optical EO 55 Confocal Laser 55 aircrew situational awareness 55 NIR SWIR 55 LOGIQ 55 GNSS Receiver 55 photon laser 55 PENTAX K#D [002] 55 7MP 55 Loupes 55 #mm F#.# EX DG 55 syngo R 55 TopSolid'Cam 55 Ikoniscope 55 SI 2K 55 Focused Ion Beam 55 StereoMirror 55 #mm F4 [001] 55 Pluggable 55 TruePic III + 55 liners promos voicetracking 55 HORIBA Jobin Yvon 55 Sanyo Xacti VPC 55 Elekta Synergy R 55 IonWorks 55 Nikon D2Xs 55 #mm Wide Angle 55 Optical Vibration Reduction 55 ThermaCAM ® 55 XOA 55 antishake 55 Vario Sonnar T 55 Multi Object Spectrograph 55 SmartFlow 55 3x Optical Zoom 55 Excimer laser 55 Focal Plane Array 55 Panasonic DMC 55 2D barcode scanning 55 collimated 55 PaxScan 55 Illumination System 55 HD Encoder 55 XJ S# 55 EF lenses 55 image intensifier 55 microfocus X ray 55 Image Stabilizer IS 55 Infrared Remote 55 IR LEDs 55 rotary axis 55 Apollo DRF 55 #/#mm [002] 55 Lensbaby Composer 55 microplate format 55 Photoelectric Sensors 55 Fisheye Optic 55 Schneider Kreuznach 55 varifocal 55 Intra Oral 55 Epson Claria 55 OPTIMASS 55 Thermocouple 55 HVR Z1U 55 Sony DCR HC# 55 computed tomography CT scanner 55 Pictmotion 55 pressebox Wessling #.#.# 55 Linear Optical 55 XFlash 55 electron multiplying 55 Samsung WB# [001] 55 SD OCT 55 x4 x8 55 inch HyperCrystal LCD 55 MBd 55 #mm Leica 55 DiMAGE Z5 55 Laser Marking 55 Endoscope 55 Somatom Definition 55 Digital Projector 55 angle #mm lens 55 Retinal Camera 55 gyro stabilized 55 DSC H1 55 DC VARIO ELMARIT lens 55 Spyder3 55 mm f/#.#-#.# 55 fluoroscopic 55 Intel #L 55 xD SD 55 AcrySof ReSTOR 55 IS Digital Camera 55 Xaar printheads 55 Sigma DP1 55 DIGIC III Image Processor 55 Megazoom 55 DR# [002] 55 2X zoom 55 * ist DS2 55 F#.# lens 55 Super SteadyShot 55 Sitrans 55 Vuzix iWear 55 LED Illuminator 55 Shake Reduction SR 55 PRINT Image Matching 55 #.#mm x #.#mm [001] 55 Sony HVR 55 optical isolator 55 UltraCamXp 55 Zoom Lenses 55 #mm f#.#/#.# 55 deformable mirrors 55 optical zoom lenses 55 Waveguide 55 EasyShare M# 55 Pro1 55 Resolve Optics 55 Gesture Recognition 55 #mm SLR cameras 55 ULIS 55 compact benchtop 55 #.#cm LCD 55 D8 DISCOVER 55 Edge Blending 55 Optical VR 55 FinePix S# [001] 55 Canon EF 55 ballscrews 55 LigaSure 55 MRFM 55 inverted microscopes 55 Leica DISTO 55 Nikon DSLR cameras 55 ultrasonic motors 55 CyberEVF #K 55 femtosecond lasers 55 3X zoom 55 IDEAL Contex 55 Varilux R 55 scanning electron microscopes 55 #/#.#-inch [001] 55 CellOptics platform 55 Lexar LockTight 55 Component Composite 55 High Concentration Photovoltaic 55 axis servo 55 interchangeable lens camera 55 OptiCell 55 F#.# [001] 55 Input Voltage 55 PowerShot A# IS [002] 55 #.#X zoom 55 DSC T# [002] 55 Distance Measurement 55 circular connectors 55 NDiS 55 #.#in LCD screen 55 JVC GZ 55 Nikon EXPEED 55 LVDTs 55 Contrast AF 55 Transmission Electron Microscope 55 #.#in LCD monitor 55 Fractionated 55 intraoral 55 #mm #mm #mm #mm 55 digital rangefinder 55 www.nikoninstruments.com 55 Epson 3LCD technology 55 Ultrabright 55 ellipsometry 55 #.#Mp [002] 55 Grid Lok 55 reflectometry 55 Dual Image Stabilisation 55 Luminex xMAP 55 rotary actuators 55 Nikon D3s 55 opto mechanical 55 FinePix F#EXR [001] 55 #x optical 55 non dispersive infrared 55 LUMIX G VARIO 55 #nm laser [002] 55 Super CCD sensor 55 Autobrite 55 EndoSheath 55 smc PENTAX 55 Electron Beam Lithography 55 pyrometers 55 ICs lasers 55 Zuiko Digital ED 55 ASUS Xonar 55 KODAK Scanners 55 Gorillapod Focus 55 variable camshaft timing 55 #X #X [002] 55 OPMI 55 DMC LZ8 55 toric IOL 55 DIGIC DV II 55 variable aperture 55 Caplio R2 55 backside illumination 55 TOF TOF 55 autoflex speed 55 Discovery PET CT 55 S#EXR 55 Qioptiq 55 WB# [002] 55 aspherical lens 55 #nm #nm [001] 55 Sony CyberShot 55 lenticular lenses 55 8MP sensor 55 Mask Aligner 55 MegaPixel 54 Spacebus 54 C#i [001] 54 Canon PowerShot SX# IS [001] 54 GigaPan Epic 54 Obagi ELASTIderm 54 COOLPIX P# [002] 54 #k dot 54 H3DII 54 Vixia 54 Nikon digital SLR 54 contracting activity W#P#T 54 electro-optical/infrared 54 microshutters 54 OSTAR Compact 54 Spectrophotometers 54 Phantom v# 54 Epson UltraChrome 54 Vantec NexStar 54 DSLR Camera 54 K#D Super 54 iVu 54 & S ZVA 54 #mm zoom 54 FinePix S# Zoom 54 ifm 54 swivel webcam 54 PowerShot A# digital 54 Casio Exilim EX Z# [001] 54 light scattering DLS 54 sinusoidal commutation 54 Multispectral 54 smc Pentax DA