ReviewsNew Optical Material

K&F Concept 82mm Variable ND Filter ND8-ND128 (3-7 Stop) HD Hydrophobic VND Filter for Camera Lens No X Cross

【Material】 82mm Neutral Density: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance. Note: for the 82mm nd filter, the lens cap/hood size should be 86mm..
【No “X” cross on images】Say goodbye to the "X" cross on images, K&F Concept utilizes cutting-edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters..
【NANOTEC】Our optical engineers developed new Nano coating layer technology， Waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens..
【Professional Design】Ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming prevention..
【NOTE】This Filter kit is compatible with all 82mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol. Because of the update of the product's package, the new and the old version will be sent randomly..

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K&F Concept 72mm Variable ND Filter ND8-ND128 (3-7 Stop) HD Hydrophobic VND Filter for Camera Lens No X Cross

【Material】 72mm Neutral Density: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance. Note: for the 72mm nd filter, the lens cap/hood size should be 77mm..
【No “X” cross on images】Say goodbye to the "X" cross on images, K&F Concept utilizes cutting-edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters..
【NANOTEC】Our optical engineers developed new Nano coating layer technology， Waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens..
【Professional Design】Ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming prevention..
【NOTE】This Filter kit is compatible with all 72mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol. Because of the update of the product's package, the new and the old version will be sent randomly..

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K&F Concept 67mm Variable ND Filter ND8-ND128 (3-7 Stop) HD Hydrophobic VND Filter for Camera Lens No X Cross

【Material】 67mm Neutral Density: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance. Note: for the 67mm nd filter, the lens cap/hood size should be 72mm..
【No “X” cross on images】Say goodbye to the "X" cross on images, K&F Concept utilizes cutting-edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters..
【NANOTEC】Our optical engineers developed new Nano coating layer technology， Waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens..
【Professional Design】Ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming prevention..
【NOTE】This Filter kit is compatible with all 67mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol. Because of the update of the product's package, the new and the old version will be sent randomly..

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Cooler Master MM731 Black Gaming Mouse with Adjustable 19,000 DPI, 2.4GHz and Bluetooth Wireless, PTFE Feet, RGB Lighting and MasterPlus+ Software

Hybrid Wireless Tech: Choose from wired mode, 2.4GHz wireless, or Bluetooth 5.1 to connect multiple devices.
Striking New Lightweight Design and Classic Ergonomic Shape: Mouse weighs in at 59g without having to resort to exterior holes that compromise on aesthetics and comes with a classic ergonomic design exclusively for right-handed users.
Gaming-Grade Hardware: Adapt to your game or playstyle with optical sensor adjustable up to 19,000 DPI and 70 million click optical switches with instant actuation.
Ultraweave Cable: Super lightweight and engineered in-house to prevent cable snag when swiping.
Upgrade Mouse Feet: New-and-improved feet made with PTFE material for low friction and high durability provides a smooth, fast glide without cable pull..

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K&F Concept 55mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32 for Camera Lens NO X Spot,Nanotec,Ultra-Slim,Weather-Sealed

【Material】 ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without....
【No “X” cross on images】Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common....
【NANOTEC】Our optical engineers developed new Nano coating layer technology， Waterproof, scratch-resistant, anti-reflective green coating,....
【Professional Design】Ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming....
【NOTE】This Filter kit is compatible with all 55mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel....

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Hoya HD3 Professional UV Filter 58mm

NEW and IMPROVED ultra-smooth nano-coating is 800% harder for ultimate protection and cleaning.
NEW 32-Layer Ultra-Hard Nano Multi-Coating process creates the sharpest consumer UV filter available.
Chemically enhanced UV optical glass is 4x stronger than normal optical glass.
NEW Multi-coating technology yields 99.7% light transmission and is extremely scratch & stain resistant and water & oil repellent.
Lifetime Limited Warranty when purchased from a USA Authorized Retailer.

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FJZ-FJZ XY Linear Guide, Micrometer Manual Fine-tuning Cross Roller Precision Trimming Bearing Linear Cross Roller 160 160 50mm Linear Guides

√√This is a XY for linear guide sliding track..
√√Precision machining and stable performance.
√√Suitable for laboratory precision inspection, mechanical equipment positioning and movement, various fiber coupling, optical waveguide alignment, core adjustment, packaging system, capacitive touch screen production equipment, fixtures, optical instrumen.
√√Made of aluminium alloy material with black anodized surface, it is durable..

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RiteAV - Direct Burial/Outdoor LC-LC 2-Strand Fiber Optic Cable - Multimode (50/125) - 75M (246ft)

fiber information: 5m(16ft) SC/APC to SC/APC Fiber Patch Cable OS2, SC cable single mode is 9 / 125 μ m. 10GBASE-L (1310 nm), 10GBASE-E (1550 nm). Sheath material: LSZH fiber Color: yellow. The outer diameter is 2.0mm.
The model of this fiber is a 5m- 16ft SC/APC - SC/APC single- mode optical fiber fiber with fiber diameter of 2.0mm and LSZH. It is very durable for indoor use and meets all UL, CUL, IEC and ROHS standards. This optical fiber patch cord is very suitable for home and office. It is used to connect 1g/ 10g/ 40g/ 100g Ethernet cables..
This SC/APC - SC/APC fiber patch cord is used in Gigabit Ethernet, fibre channel, LAN, data center, building installation, Wan, commercial and other high-density applications. We have been verified by the authority of the industry that the single-mode optical fiber jumper completely meets the needs of optical fiber professionals..
Our optical fiber jumper has high-quality materials: the optical fiber jumper is made of environmentally friendly LSZH material. The jumper is soft and has a strong texture. It will not fade or break, nor will it deform and withstand high temperatures. C....

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KSS-240A Laser Head CD DVD Replacement Optical Laser Pickup Lens Mechanism Spare Parts

It is the heart of the optical drive, mainly responsible for data reading..
Standardized precision design ensures the normal operation of your device..
Adopting precision electronic components, it is reliable and has long serving life..
Great optical laser lens replacement for the worn out or damaged laser lens..

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HP PS/2 Optical Scroll Wheel Black Mouse QY775AA (Renewed)

Glide over a variety of surfaces with speed and accuracy using the new HP PS/2 Mouse for the latest advancements in optical tracking technology..
Optical tracking - Get precision movement with a tracking system that works through light for less moving parts and greater durability than ball-based mice..
The optical sensor within the HP PS/2 2-Button Optical Scroll Mouse employs a resolution of approximately 800dpi..
Left-handed or right-handed users can enjoy a contoured shape that suits either preference, with a wheel that also functions as a third button..
A ball-free design reduces sticking and the need for constant cleaning..

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Yuntec Optical Drawing Board, Portable Optical Tracing Board Image Drawing Board Tracing Drawing Projector Optical Painting Board Sketching Tool for Kids, Beginners, Artists, etc

OPTICAL IMAGE DRAWING: Project images reflection on Premium optical PMMA lens that you can draw on opaque material..
SMART APP: Download the app and you can convert the image to a sketch. The APP have multiple functions and can be used to make various custom adjustments to the image..
EASY TO OPERATE: Just need to download the APP, import the picture, put the phone on the shelf, and then you can start painting without drawing skills. (Please tear off the protective film on both sides of the lens before using.).
IMAGE CUSTOMIZATION: You can import any image into the app, which realizes unlimited resources, network pictures and photos can become materials..
APPLICABLE PEOPLE: Suitable for children, adults, comics/anime lovers, with 0 basic painting experience. Help develop hand-eye coordination and basic drawing skills. Customers may receive our upgraded products. We upgrade the material of the wooden frame to a black plastic ABS frame. The new material is more sturdy, please feel free to use it..

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