Best Fresnel Lens

Leviton ODS10-IDW Decora 120/277-Volt Wall Switch Occupancy Sensor, White

Leviton 1-Pole Commercial Grade Occupancy Sensor Wall Switch, Passive Infrared, 120 / 277 Volts.
Convenient push-button provides manual on/off light switching at any time.
180-degree field of view provides approximately 2,100 square feet of coverage.
Segmented Fresnel lens provides optimum sensitivity and performance.
Horizontal field of view may be adjusted between 180 degrees and 32 degrees of arc.
Ambient light override can be set to prevent activation if sufficient ambient light is available.
Leviton offers a wide selection of motion sensors that use passive infrared, ultrasonic or a combined multi-sensing technology.

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MagDepo Magnifying Sheet Flat Full Page Reading Magnifier Perfect Reading Aid for Elderly and People with Low Vision with 1 Bonus Card Magnifier

✅LIGHTWEIGHT: Magnifying sheet is made out of Unbreakable & optical grade PVC, only weights 2 ounces and it is Ideal for longer reading time,....
✅3X MAGNIFICATION: All the magnifying lenses included in this papckage magnify up to 300%. It is considered the most comfortable magnification for....
✅LARGE VIEWING AREA: Magnifying sheet is measured 8.6" X 6.5" in viewing area which covers and magnifies an entire page at once without having you....
✅MADE OF PVC THAT WON'T BREAK: The lens is made out of optical grade PVC a superier material than other fresnel lens, which provides crystal clear....
✅ 1 BONUS CARD MAGNIFIER: Card magnifier is small and carry around easily. Its size fits in any wallet and it's great for reading small print and....

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Vintage Large Hanging Pendant Light Kitchen Nautical Industrial Chandelier

Modern Industrial Wave Nautical Chrome Pendant Lamp Hanging Ceiling Light.
we have made this Pendant Light using steel and aluminum.
10" Front diameter, 20" height,10 "Depth 55" overall hanging length..
VINTAGE INDUSTRIAL DESIGN: Add focused task lighting packed with industrial flair with the Fresnel Lens Collection Brushed Nickel One-Light Industrial Hanging Pendant Light ideal for any kitchen island, bar, breakfast nook, or home office in coastal, transitional, urban industrial, or vintage electric settings..
Perfect Application: perfect pendant light fixtures for barn, warehouse, basement, children’s room, kitchen, dining table, living room, corridor, bedroom, storeroom, bar, coffee shop or other places.

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MagDepo Full Page Magnifying Sheet 4.75 x 7 Set -Bonus 2 Bookmark Magnifier with Ruler & 2 Card Magnifier for Reading Books Magazine Newspaper & People with Low Vision

IDEAL FOR EVERYDAY USE: Great for book full page magnifier visual aids, fresnel lens solar projects, fire starter survival tools, and other daily....
DURABLE & MOBILE: Our magnifying glass is a flexible plastic sheet which acts like a large magnifying glass.Lightweight, easy for carrying.Ultra-thin....
EASY TO READ: Our full-page magnifier offers a larger reading area, allowing you to read the entire page, reducing the hassle of moving multiple times....
WIDELY USES: High quality clear lens is ideal for reading small prints in books, magazines, newspapers, documents, maps, encyclopedias, etc..
PREMIUM QUALITY: Our page magnifiers are thicker than most and PROVIDE GREAT MAGNIFICATION to produce top notch image clarity..

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Indoor 360 Degree Ceiling Mounted Mini PIR Motion Detector Infrared Sensor Light Switch NC NO Output Options Intruder Alarm

360 degrees field of view with approximately 530 sq. ft. of coverage when mounted at 8 ft..
Adjustable Delayed OFF time setting between 20 seconds and 15 minutes allows custom adjustment for maximum savings.
LED indicator light flashes when sensor detects motion, to verify power placement and function of sensor at installation.
Segmented Fresnel lens contains 79 segments for optimum sensitivity and detection performance.

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Ademco 997 Ceiling-Mount PIR Motion Detector

CEILING OCCUPANCY SENSOR uses passive infrared technology, PIR motion sensor to automatically turn ON/OFF lights. This motion sensor features a bright LED indicator when the sensor senses motion..
OCCUPANCY SENSOR Two interchangeable Fresnel lenses for perfect detection based on application needs. This allows the sensor to cover any ceiling height from 8 feet to 50 feet..
EASY INSTALLATION This ceiling motion detector only requires a 1/2 inch knockout cutting material costs and installation time..
MULTI-LEVEL, 360 degree interchangeable lens. Compatible with LED, incandescent, CFL lighting. Easy adjustable sensitivity control via DIP switch. Adjustable sensitivity 50%-100%..
LARGE SENSOR RANGE Up to 2800 sq. ft coverage, 360 degree field view, Operating temperature (32 – 131°F), 120VAC 0 - 800W Ballast or Tungsten, UL-Listed, 1-year warranty..

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Molain 3X Pocket Magnifier- 5Pcs Portable Fresnel Lens Credit Card Magnifier Wallet Magnifying Lenses Jewelry Loupe Reading Aid Helper

3X Magnification Pocket Magnifier: Magnify up to 300%, suitable for reading newspapers, maps, and magazines, good for home traveling, experimental observation, and others.
Portable and useful Wallet Magnifying Lenses: size 3.1*2.2in, thin Fresnel lens are well made, Start fires by concentrating the sun's rays, great backup fire starter for survival kits..
How to use: Use the smooth side to zoom in, place the magnifier above the object to be observed so that the lens is parallel to the line of sight, distance imaging is clear and maximum magnification is nice, find the better viewing position when moving the identified object..
Pocket Magnifier: the magnifier is lightweight and pocket-size.
You can place it in a purse, wallet, pocket, and so on, easy to carry..
Good performance: the pocket magnifier is flexible, made of good quality PVC plastic material, providing clear and nice viewing effects, perfect for seniors with low vision..

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WiFi Projector for iPhone Outdoor 1080p Supported Mini Videos Projector Ultra-Portable & 150 Display Projector for Movies/Office PPT Compatible with PS4 TV Stick Laptop HDMI Android

High Brtight Projector: The image Brightness uniformity extend to 50% higher, you can feel more details and vivid pictures when watching movies or....
Adopt High Quality Lens: Make with the self-developed precise Fresnel lens, it can mirror the images, light and color evenly on the wall. So you can....
WiFi Projector Latency Below 36ms: With the brand-new version of Wi-Fi chip, it cut off the video buffering question, and wifi connection should be....
Mini Projector Ultra Portable: 2.7lbs, super mini and compact. With the smooth interface and Hi-Fi Stereo Speaker build in, you can hear every moment....
Versatile Connectivity Projector: This video projector compatiable with iPhone, Windows, Android, PS4, also works with TV Stick or other media....

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LED Dome Light - High Power 6' LED Downlight - 12VDC - Waterproof - 180 Lumen -Fixed Mount with Rocker Switch- for Home, Auto, Truck, RV, Boat and Aircraft

Powerful 12 Volt DC Dome Light with 60 3528-type LEDs. On/Off Rocker Switch on base..
6" Width (at base). Quality Aluminum base.
Easy to install using included mounting screws. Water resistant design..
Directly wire to your boat, RV, truck, car, or utility vehicle 12 Volt power.
Fresnel lens broadly distributes lighting. Ideal for utility use anywhere you need extra light.

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3X Large Full Page Magnifier with 12 LED Lights[Provide Evenly Lit Viewing Area], Foldable Flip-Out Legs, Dual Power Supply Modes- Ideal for Hands Free Reading, Low Vision, Seniors with Aging Eyes

... This led page magnifier can be powered by 3 AAA batteries(NOT INCLUDED) or a USB cable(INCLUDED). Each package comes with a cleaning cloth for you to cleans the lens before use for optimal magnifying result..
✔UPGRADED ACRYLIC MAGNIFYING LENS: The lens is made out of optical grade acrylic a superior material than fresnel lens, which provides crystal clear image quality with minimal distortion, pefect for seniors with aging eyes and low vision individuals..

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