ReviewsOptical Transmission

SVBONY Telescope Filter 2 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitable for Deep Sky Visual Astronomical Photography

Electron beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching.
as well as stability on CWL (central wavelength) no deviation affected by temperature change.
Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass band and Optical density of off-band.
90% transmission of main nebula emission lines.
specifically the major emission lines of artificial light pollution.
Suitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target.

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SVBONY Telescope Filter CLS EOS-C Clip-on Filter Compatible for Canon Broadband City Light Reduction Filter for CCD Cameras DSLR

Electron beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching.
as well as stability on CWL (central wavelength) no deviation affected by temperature change.
Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off band.
90% transmission of main nebula emission lines.
specifically the major emission lines of artificial light pollution.
Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target.

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192KHz Digital to Analog Audio Converter Cable, Tackston 10Ft Digital Optical to RCA L/R & 3.5mm AUX Converter Cord for HDTV PS4 Blue Ray Player to Home Stereo System and Headphones

...cord can be used with PS3, PS4, Blu-ray Player, HDTV and other new tech devices that output digital format audio through optical port, bring new life to your old RCA sound system..
Supports uncompressed 2 channel PCM Digital Audio Format Output.
this optical audio to 3.5mm adapter provides Electromagnetic-noise-free Transmission (Dolby is incompatible, please set the audio output to PCM or LPCM). Gold Plated interface to reduce signal transmission loss..
Unconditional 12-Month Warranty - Fast and easy-to-reach support solves problems within 24h. Any quality issue with this optical to rca converter, please contact us through your Amazon order list page, your satisfaction is always our No.1 priority..

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Celestron CPC Deluxe 1100 HD Computerized Telescope

PREMIUM OPTICAL TUBE: 11-Inch EdgeHD optical tube provides stunning views and sharp astroimages free of visual defects.
BUILT FOR SUPERIORITY: The Celestron has a sturdy dual fork arm mount with upgraded gears and motors anchors the telescope for superior tracking and pointing accuracy.
STARBRIGHT XLT COATING: All EdgeHD system includes the StarBright XLT coatings on all optical surfaces for brighter images and increased light transmission.

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YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon

Supports optical transmission and wireless radio transmission flash shooting, the YN600EX-RT II can used as master unit to control the flash mode, exposure compensation, flash ratio, number of stroboscopic and stroboscopic frequency..
Supports wireless radio transmission flash shooting, cooperate with the YN600EX-RT(II),Canon 600EX-RT(II)/430EXIII,one YN600EX-RT II can used as set-top master unit or remote slave unit,totally 15 channels for option, realize TTL, manual flash and stroboscopic flash..
In the optical transmission flash shooting, the YN600EX-RT II can be used as master unit to trigger the YONGNUO and Canon EX series flash (excluding the YN585EX),supports 4 channels, realize wireless TTL, manual flash and stroboscopic flash..
One YN600EX-RT II can respectively receive the wireless signal of master unit YN600EX-RT II,YN568EX II,600EX(II)-RT,580EX II, C command and Canon 7D/60D/600D cameras built-in flash wireless signal, realize wireless TTL, manual flash and stroboscopic flash..
YN600EX-RT II as professional creative high guide number speedlite, supports TTL/M/Multi flash and can realize TTL, manual flash, the highest shutter synchronous speed is up to 1/8000..

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Bestisan Soundbar, TV Sound bar with Bluetooth 5.0, Optical AUX HDMI Connection, 28 Inch,3 EQs, 110dB Surround Sound Bar Home Theater Audio Soundbar System for TV

Beef Up Version: Wireless Bluetooth 5.0 transmission Bluetooth wireless transmission technology strong anti-interference lossless Audio transmission 360-degree sound let you have a high-quality home audio system Enjoy the luxury of music.
. Room-Filling Stereo Sound: Dual built-in 3-Inch imported and advanced full-range drivers, up to 95 dB of expansive audio twin craftsman-processed bass reflex tubes, All they only serve for crystal-clear sound with less than 1% total harmonic distortion..
Three Distinct Equalizer Modes: Fine tune your sound bar with 3 distinct equalizer modes to switch between dialogue, movie, and music modes to tailor the sound output to your entertainment. Moreover, Bass and Treble can be adjustable as your favor..
Multiple Wired Connections: Easily connect to the sound bar via standard audio cable Connection, HDMI , Aux in and optical input, (Remember to take off the Caps of optical cable and caps. Aux /Optical cable included, HDMI cable is not supplied)..
HDMI CEC Remote Control : Control Your TV and Soundbar Simultaneously under HDMI connection. You can use the TV remote to control the soundbar power on/off and Volume.The sleek design sound bars fit neatly underneath smaller TVs or PC, it is optimized for small-sized rooms（like ....

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5 Pcs Fiber Optic attenuator, Fiber Signal Attenuation Converter Inserts Connector (FC-APC, 20dB)

【Connector Type】 20dB attenuation amount, FC-APC Female to FC-APC male attenuator, adopting high performance attenuated fiber.
【Operation Wavelength】This attenuator is suitable for both 1310nm and 1550 nm single mode fiber connection.
【High Attenuation Precision】 Attenuation precision: ±10%, when connector attenuation amount003e5dB.
【Transmission Stability】 Reflectance: dB≥50, which ensures the optical power stay in a stable level on its original transmission wave..
【Easy Installation】 The simple and compact structure make it very user friendly, just need plug and play for installation.
【Product Application】 Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation etc..

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Wendry 5.25in Hard Drive Enclosure, Portable External Drive, Optical Drive Box External USB2.0 SATA Interface Computer Accessories(US)

【Portable External Optical Drive】Can drive various types of optical drive, DVD, recorder and 3.5inch SATA hard drive with 5.25inch SATA interface..
【Efficient Data Transmission】The data has good efficiency, security and compatibility during transmission, and complete protection of files..
【Easy to Use】Support USB2.0 interface, hot swapping and DVD16 speed recording..
【Easy to Install】Easy to install with metal upper and lower cases..
【Widely Applicable】Fit for Windows XP/7/8/10 and for OS 9.0 or higher..

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Celestron Omni XLT 120 Reflector Telescope

CELESTRON’S LEGENDARY OMNI XLT REFRACTOR OPTICAL TUBE: Celestron technicians hand select the glass for each lens in your Omni XLT refractor so only the finest grade optical glass is used..
STARBRIGHT XLT OPTICAL COATINGS: Every air-to-glass surface in the Omni XLT’s optical path is fully multi-coated with our proprietary StarBright XLT anti-reflective coatings for the maximum level of light transmission to the eye..
ULTRA-PRECISE GERMAN EQUATORIAL MOUNT: Celestron CG-4 manual EQ mount with setting circles, worm gear slow-motion controls and ball bearings on both axes..
ACCESSORIES INCLUDED: Everything you need to begin observing immediately—6x30 optical finderscope, sturdy full-height steel tripod with 1.75” legs, 1.25” star diagonal, and a 25mm multicoated eyepiece..
BONUS ASTRONOMY SOFTWARE: Learn more about the night sky with your FREE download of Starry Night, one of the top consumer rated astronomy software programs with a database of more than 36,000 celestial objects and printable sky maps..

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Leupold GR 10-20x40mm Gold Ring Compact Spotting Scope

Model #120374 - GR 10-20x40mm Gold Ring Compact Spotting Scope in Shadow Gray finish.
Advanced Optical System - Leupold’s Advanced Optical System offers tried and true light transmission for extended glassing sessions, best in class glare reduction in harsh light, and the resolution and clarity that recreational sportsmen and sportswomen demand.
Fully Multi-Coated Lens System - our fully multi-coated lens system ensures maximum brightness for clarity, contrast, and color fidelity.
Magnesium Housing - lightweight but tough as nails, a rugged magnesium housing protects the optic during fast-paced action. Exterior lens surfaces are treated with DiamondCoat 2, an ion-assist lens coating, for higher light transmission and the greatest level of abrasion resistance we've ever offered.
Design, Machined and Assembled in the USA. 100% Waterproof, fogproof, and backed by Leupold's legendary customer care.

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External USB3.0 DVD CD Player Enclosure for Laptop CD ROM Burner Case, External DVD Drive Box Compatible with Laptop Desktop PC Win 10/8/7

【5Gbps Transmission】Notebook optical drive case standard USB3.0/USB2.0 transmission, backward compatible with USB2.0, support data transmission rate up to 5Gbps..
【Support system】USB 3.0 CD ROM drive supports Window2K, XP, 2003, Vista, 7, Linux, 10 OS X and other systems..
【Interface support】The external drive box supports the 1.5Gbps SATA I interface standard, and the maximum supports the 3.0Gbps SATA II interface standard..
【Good Compatibility】The external DVD drive supports power saving sleep mode and adopts the INIC3609 solution with good compatibility. External CD drive cage for 12.7mm/9.5mm SATA DVD RW drives..
【Attention】The external optical drive box does not contain any CD/DVD, please confirm it before placing the order.If you encounter any problems in the purchase process, please feel free to contact us, we will be the first time to answer your questions!.

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