Top Long Working Distance

Songzi Optics 2.5X 3X 3.5X Optional Titanium Frame Binocular Dental Surgical Loupes and Led Light with a Yellow Flip-Over Filter (Working Distance :(360-460 mm) R, Magnification:2.5X)

  • ...ead weight:10g. Comes with a Yellow Flip-over Filter for Working with Resin Composites, Full variable intensity control (0lux--15000lux),---Color Temperature:6000k,DC Time:7 hours,Charging Time: 4 hours, Battery:1 piece,LED bulb:LED 1w,Lamp Life:50000h,.
  • 4 kinds of working distance : S(280 - 380 mm), R(360 - 460 mm), L(440 - 540 mm), XL(500 - 600 mm).How To Choose Your Loupes Determine your working distance, which will also automatically determine your field of view. While working on a friend or family member have someone measure the distance from your eyes to your patient's : this is you working distance..
  • Choose the distance that is closest to the selection we offer.IF you are a dentist , your height is in the range from 160cm to 180CM,we recommend regular (360-460mm) working distance.IF you are sitting while working, your height is from 160cm to180cm, we recommend working distance R (360-460mm ). IF you are standing while working, your height is from 170cm to 180cm, we recommend L (440-540mm) working distance, even XL(500-600mm) working distance will be OK..
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EXMAX UHF-938 UHF Acoustic Transmission Wireless Headset Microphone Audio Tour Guide System for Church Translation Teaching Travel Simultaneous Interpretation Tour (1 Transmitter and 20 Receivers)

  • 【Long-distance range UHF wireless voice acoustic audio transmission system】EXMAX EX-938 wireless headset microphone tour guide simultaneous interpretation church translation system could transmit the voice of who speaks to the microphone of transmitter to the people who wear earphone of the receivers,transmission distance is about 150 meters/492ft.This EX-938 voice acoustic transmission equipment helps tour groups/speakers/lecturers/minister overcome background noise and keep social distancing..
  • 【11 select-able UHF Channels all multigroup working】11 select-able UHF Channels allow at least 5 groups working simultaneously on different channel ID without interference.Each group uses unique Channel ID and different groups uses different Channel ID.One EX-938T transmitter could pair with many many EX-938R receivers within working distance so long as they are on the same Channel ID. PLL frequency synthesized technology ensures stable and reliable voice transmission performance..
  • 【Easy Operation】AA batteries as power supply,low power consumption design for long working time over 15 hrs,easy operation on battery replacement,no built-in battery makes it conveniently to be taken on flight.EX-938T transmitter has two input jacks, AUX and MIC,AUX ....
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SVBONY SM402 Professional Trinocular Stereo Zoom Microscope, Microscope for Adults, with Trinocular Port, WF10x Eyepieces, 0.7X-4.5X Zoom Objective, Large Pillar-Style Table Stand

  • all-optical glass lens creates sharp and clear stereoscopic images with excellent contrast and vivid colors.
  • trinocular head tilts at an ergonomic 45-degree angle to reduce eye and neck strain.
  • 360-degree rotation capability to enable sharing.
  • adjustable interpupillary distance is from 54 to 76 mm.
  • the column table stand features a reversible black and white stage plate for contrasting light and dark samples.
  • and large stage clamps to hold samples during observation.
  • pillar stand offers a long and flexible working distance.
  • the focus adjusting knobs and 100mm/4-inch long working distance are available to suit different needs.
  • Includes a powerful 56-bulb LED ring light.
  • cold light is uniform when used in dark places.
  • light intensity is infinitely adjustable with dimmer.
  • trinocular stereo zoom microscope can be used to observe different specimens.
  • Trinocular port has a top expansion port.
  • designed to connect to a camera or display.
  • allows you to watch specimen images or real-time videos with more people on a larger screen.
  • widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufact....
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Barlow Lens [Explicit]

  • Professional stereo microscope with boom stand has long working distance to enable users to perform work or manipulate large items, including circuit boards and dental appliances.
  • Trinocular viewing head with pair of 10x super-widefield eyepieces, adjustable interpupillary distance, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing.
  • 0.7x-4.5x zoom objective provides continuous zoom magnification and longer focal length for inspecting large-scale specimens, a 0.5x Barlow lens extends the working distance, and a 2.0x Barlow lens extends the magnification range.
  • Removable rheostat-controlled 144-bulb LED has four separate zones to independently control light intensity and direction.
  • Double-arm boom stand has 20" arms and 17" pillar to enable users to position the microscope head on three axes (X, Y, and Z).
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Songzi Optics 2.5X 3X 3.5X Optional Titanium Frame Binocular Dental Surgical Loupes with High Brightness Led Headlight Working Distance 360-460 mm R Magnification 2.5X

  • ...: 75-85mm. Viewing Angle: 20-150°,Depth of field:90mm..
  • 3.5X loupes specification:Field Of View:60-65mm. Viewing Angle: 20-150°.Depth of field: 80mm.LED headlight High intensity:15000-30000Lux, Continuous run-time:4 hours,Battery pack weight:100g, LED bulb:1 W,Charge voltage:AC110V-240V/50-60Hz..
  • 4 kinds of working distance : S(280 - 380 mm), R(360 - 460 mm), L(440 - 540 mm), XL(500 - 600 mm).How To Choose Your Loupes Determine your working distance, which will also automatically determine your field of view. While working on a friend or family member have someone measure the distance from your eyes to your friend's mouth or body: this is you working distance..
  • Choose the distance that is closest to the selection we offer.If you are sitting while working, your height is from 160cm to180cm, we recommend working distance R (360-460mm ). IF you are standing while working, your height is from 170cm to 180cm, we recommend L (440-540mm) working distance, even XL(500-600mm) working distance will be suitable..
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Qiaoba Laser Diode Module 650nm 5mw Red Lazer Diodes 2Pack (Laser Cross)

  • Wide Range of Working Temperature: The mini diode laser head can work in -10 degree~£«40 degree.
  • Application: The red dot laser head widely be used for Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication, etc..
  • Feature: The laser head with 650nm wavelength, and working voltage: 5V. Output power: 5mW. Laser Shape: Dot.
  • Wire connection: Red wire connect to Positive, Blue wire connect to Negative.
  • Package Include: 15 Pack mini laser dot diode module head red 650nm 6mm 5v 5mw diode lasers..
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Wireless Bluetooth Keyboard for Steam Deck, Mytrix Slim Compact Keyboard for Linux, Windows, Mac, Laptop, PC, Notebook

  • Bluetooth 3.0 Connections: Compatible with most smart Bluetooth enabled devices, including Steam Deck, iPad, smart phones, Android Tablets, and more.
  • Light Weight and Compact: This keyboard is much lighter, smaller than traditional keyboard. The Dual-Mode mouse supports Bluetooth and 2.4GHz connection. You can easily carry without taking up more space on your desk or bag..
  • Long Working Distance: The working distance of our keyboard Working distance up to 33 ft. The keyboard is designed with a separate off/on slider and Bluetooth connect button and corresponding indicators. Press the “fn” “Android” or “win” or “iOS” keys on the keyboard simultaneously will quickly switch between the three modes..
  • Quiet and Comfortable Typing: The square chocolate keycaps and scissor-structured keys allow you to type quietly and provide you with a comfortable and pleasant typing experience..
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DUMBORC X6FG 2.4G 6 Channel Gyro Inside Receiver for RC Car Boat Used for DUMBORC X4 X6 Transmitter (X6FG)

  • 6 Channels:DUMBORC X6FG 6ch gyro rc receiver for DUMBORC transmitter only..
  • FHSS Signal Spread Spectrum: Adopt FHSS spectrum anti-interference technology, keep the signal stable, small size 35*20*13mm..
  • Two Working Modes: Support normal working mode and gyro function working mode, gyro integrated to keep the uni-direction and anti-slip..
  • Fast Transmission Speed: It can reach 12ms,Support and 4.8~10V DC high voltage..
  • Long Distance Control: R6FG receiver with amazing distance control, more than 400 meters on the ground.(The actual control distance depends on the environment like metal).
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Dual Wireless Lavalier Microphone System,Comica CVM-WM300A UHF 96 Channel Professional Lapel Lav Microphone for DSLR Canon Nikon Sony Camera XLR Camcorder Youtube Interview TV Video Recording(2TX+1RX)

  • ...at the bottom, it's pretty convenient for charging..
  • 【REAL-TIME MONITORING】With real-time monitoring at the end of Receiver end and Transmitter power monitor functions.Mono/Stereo Output modes switchable..
  • 【LONG WORKING DISTANCE】Working distance is up to 394 feet(120 meters)(in open area, up to 263 feet(80 meters) in barrier area). With audio dynamic display bar on LCD display screen. Group A Wireless Frequency:520.000MHz~548.500MHz..
  • 【ADJUSTABLE RF SIGNAL STRENGTH】The CVM-WM300 wireless microphone is made of full-metal manufacturing, with excellent shielding. When the working distance is within 197 feet, you can switch to low strength mode, which helps to reduce power consumption for longer standby time. When the working distance is longer than 197 feet, you can choose the high strength mode to improve the audio quality..
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Gunsmoke: Season 5, Vol. 1

  • 1. Introduction 2. Early One Morning 3. Ball And Chain 4. Gunsmoke Crew Interview #1 5. Juke 6. Leaving Chicago 7. Gunsmoke Crew Interview #2 8. Hide And Seek 9. Shake, Rattle And Roll 10. Gunsmoke Crew Interview #3 11. Mannish Boy 12. Prelude to Long Distance Call 13. Long Distance Call 14. (I'm Your) Hoochie Coochie Man 15. Prelude to Got My Mojo Working 16. Got My Mojo Workin.
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Venus Optics Laowa 24mm f/14 2X Macro Probe Lens with Nikon F Mount

  • Wide-angle prime is designed for FX-format Nikon F-mount cameras, however can also be used with DX models where it will provide a 36mm equivalent focal length..
  • Unique macro lens design offers a greater-than-life-size 2:1 maximum magnification along with a minimum focusing distance of 1.5' and a working distance of just 0.8"..
  • The long, tubular lens barrel contributes to producing a distinct bug-eye perspective and, despite the short working distance, the length of the lens barrel places the camera at a comfortable shooting distance..
  • Wide-angle 24mm focal length affords greater depth of field and more surrounding detail than traditional telephoto macro designs, which tend to isolate subject matter with shallow depth of field..
  • Optical design includes two extra-low dispersion elements that control color fringing and chromatic aberrations in order to produce greater clarity and color accuracy. One extra refractive index element is also featured, which reduces spherical aberrations and distortion for improved sharpness and accurate rendering..
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Christmas Decorative Laser Lights Projector Outdoors Decor Waterproof LED Red and Green Stars Twinkle for Xmas Home House Yard Garden Patio Wall Indoor Wireless Remote

  • ❄OUTDOOR USE - Long-distance projection is still stable and clear. 300°adjustable projector head, 120° projection angle, Can project an area of 4000sf from a distance of 35 feet..
  • ❄CHRISTMAS LASER LIGHTS - Built in professional laser tube, which is much more steady and brighter than traditional outdoor laser lights. Long-distance projection is still stable and clear. 300°adjustable projector head, 120° projection angle, Can project an area of 4000sf from a distance of 35 feet..
  • ❄RF REMOTE CONTROL - You can set 3 Modes, 3 moving speeds, adjustable blinking modes, and 4 timing modes. Come with an RF remote. Free to set the displaying patterns, moving speed, and flashing modes, or set the working hours to either one of 2/4/6/8 hours ON and 22/20/18/16 hours OFF using the remote. The penetrating RF signal achieves 65 ft barrier-free control so you don't have to step outdoors to make the operation..
  • ❄LONG LIFESPAN - IP65 Waterproof Professional aluminum alloy shell and IP44 plug, Weather resistant, waterproof and dustproof design,no more worries about raining, snowing and frosting, perfect for outdoor. Working temperature is -4℉ to 105℉.More than 60,000 hours of usage time..
  • ❄EASY TO INSTALL - When using the projection lamp for the first tim....
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