Best Long Working Distance

Songzi Optics 2.5X,3X,3.5X Optional Black Frame Binocular Dental Loupes Surgical Loupes with High Brightness Headlight Working Distance 360 - 460 mm R Magnification 2.5X

...s specification:Field Of View: 100-110mm,Viewing Angle: 20-150°,epth of field: 100mm ,Weight: 57g.
3X loupes specification:Field Of View: 75-85mm. Viewing Angle: 20-150°,Depth of field:90mm ,Weight: 57g.3.5X loupes specification:Field Of View:60-65mm. Viewing Angle: 20-150°.Depth of field: 80mm.
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 dentist , your height is in the range from 160cm to 180CM,we recommend R(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 suitable..

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PL-608 Mini Bluetooth Gamepad, Portable Wireless Bluetooth Gaming Controller with Remote Shutter Multimedia Controller, for Mobile Phone, Tablet and PC(Black)

[Powerful function]: Our gamepad is multifunctional. It has the function of gamepad, remote shutter, multimedia controller function..
[Game/key dual mode]: Two modes for different situations. Play games at game mode to realize double-handed operation and play music / take photos at key mode, adjust the switch at the bottom to convert mode..
[Wireless connection]: Bluetooth technology support working distance up to 10 meters, free you from bothering cable. The exact working distance depends on the battery and walls..
[Long working time]: Built-in rechargeable battery, support long working time. Micro-USB charing port, easy to find a charging cable..
[Multi device compatible]: Compatible with cellphone, tablets, PC, etc. NOT suitable for WindowsPhone..

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2.5X 3X 3.5X Optional Songzi Optics Black Frame Binocular Surgical Dental Loupes and Led Headlight Come with a Yellow Fliter Working Distance 360 - 460 mm R Magnification 2.5X

...cation:CE,Model Number:KD202A-1, Led light head 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're a surgeon, 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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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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