ReviewsFresnel Lens

2-Pack Large Fresnel Lenses Φ300mm(11.81\) Focal Length 120mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 120mm)

  • 2-Pack Fresnel Lens Diameter 300mm(11.81").
  • Great for Visual Aid education, Solar heating experiment, Solar Cooking outside, DIY Solar concentrator, Scientific Research, Magnifying..
  • High light transmittance, High efficiency in focusing, High precision..
  • We are professional maker for high-precision fresnel lenses.
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5 Pieces Page Magnifying Sheet 3X PVC Lightweight Fresnel Lens Magnifier with 20 Pieces Thin Fresnel Lens Pocket Size Magnifier Lenses Credit Card Magnifier for Reading or Fire Starter

  • ...rial: made of quality PVC plastic material, those book reading magnifiers are flexible and reliable, providing clear and nice viewing effects.
  • The Lens are also lightweight and flexible, which are ideal for longer reading time.
  • Use Conveniently: these page magnifiers are suitable for full page magnifier visual aids, fresnel lens solar projects, reading newspapers, maps, and magazines, and also ideal for home traveling, experimental observation, fire starter survival tools, and other daily house chores.
  • Plenty Package: the package comes with 20 pieces pocket size credit card magnifier lenses and 5 pieces large fresnel lens page magnifying, enough for your daily needs and you can share them with your friends to use together.
  • How to Use: place the magnifying sheet 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 which is 3X magnification, find the better viewing position when moving the identified object.
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Apollo Overhead Projector, Horizon 2, 2000 Lumen Output, 10\ x 10\

  • SHARP IMAGE – Open head, double fresnel lens keeps images clear and even, which assures edge-to-edge sharpness and brightness. Features 2000 lumen light output and 10" x 10" stage glass surface area..
  • LASTING USE – A built-in high-efficiency cooling system prevents overheating. The high/low lamp controls help extend the life of the projector, so you can present more often..
  • DESIGNED FOR SCHOOLS – Weighing just 12 lbs. and with 2 carry grip handles, the projector can be easily moved from classroom to classroom. Store it away when not in use to take up less space..
  • WARRANTY AND FEATURES – Projector has a 2 year warranty. Comes with a lamp changer, locking Kensington Security Slot for theft prevention and thermal shutoff switch for safety..
  • TRANSPARENT FILM COMPATIBLE – Create a dynamic presentation by using transparency sheets. For best results use Apollo Transparency Film, sold separately..
  • Popular, reliable, easy-to-use tabletop projector with 2000 lumen light output features high-efficiency cooling system & thermal shutoff safety switch.
  • Ideal for use in classrooms and small rooms with up to 20 people.
  • Open head with double fresnel lens assures edge-to-edge sharpness and brightness.
  • 10 x 10 Inch stage glass accommodates 8.5 x 11 Inch transparency ....
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20 Pieces Fresnel Lens Credit Card Pocket Plastic Magnifier Emergency Solar Fire Starter Ruler Compact Survival Bushcraft Classroom Outdoor Hobbies

  • Magnification up to 4X: this card magnifier can be magnified 4x, which is very suitable for reading small texts, it can also be applied for reading in a dim light, when you read the product description, you can also take out this fresnel lens, you can see the words more clearly and protect your eyes.
  • Serve as a ruler: because the edge of the card is printed with inches and centimeters, it can also be applied as a ruler, making it quick and easy to measure small objects without the need for larger rulers, it can help when you need to measure the distance on the map in the wild, provide you much convenience.
  • Emergency solar fire starter: fire is a necessary bushcraft skill, it can be a fire alarm starter, because under strong light, the focus of the lens will be particularly bright and the focus will ignite, when you are exploring in the wild, you can use this Fresnel lens to heat the fire in an emergency.
  • Size information: compact, lightweight and flexible enough to be carried in a pocket, wallet, backpack, or first aid kit, you can place the card in multiple locations for usage, the workmanship of the product is exquisite.
  • Packaging: each magnifier has its own colorful protective cover that keeps the magnifying glass intact and easy to find when you need....
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TIESOME Fresnel Lens, 20 Pieces 3X Pocket Size Magnifier Lenses Credit Card Magnifier Wallet Magnifying Lenses Jewelry Loupe for Reading or Fire Starter 3.34 x 2.16 Inch

  • 【Clear Imaging】: The pocket magnifier is made of good quality PVC plastic material, providing clear and nice viewing effects. The lens is made out of optical grade PVC a superior material to another fresnel lens, which provides crystal clear image quality with minimal distortion, perfect for seniors with aging eyes and low vision individuals..
  • 【3X magnification】: All the magnifying lenses included in this package magnify up to 300%. It is considered the most comfortable magnification for reading small prints, ideal for Viewing and checking tiny hobby and crafting materials, and small electronic gadget parts such as screws and pins..
  • 【Easy to use】: Place the magnifier over the object to be observed, make the lens parallel to the line of sight, have clear distance imaging, have good maximum magnification, and find a better viewing position when moving the identified object..
  • 【Easy to Store】: The magnifier size 5.9 x 4.13 x 0.42 inches is lightweight and pocket size easy to carry. You can place it in a purse, wallet, pocket, and so on, it will not take up too much space..
  • 【Wide Range of Applications】: Thin Fresnel lenses are well made, Start fires by concentrating the sun's rays, great backup fire starter for survival kits. Suitable for ....
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ANYCUBIC Photon Mono X 6K Resin 3D Printer and ANYCUBIC Wash and Cure Plus, Resin 3D Printer Bundle

  • The scratch-resistant tempered glass above the liquid crystal display display screen with 9H hardness for better mild transmission and safety.
  • Fresnel collimating mild supply consists of 48 pretty integrated UV LED lighting that work with FCL device Fresnel lens to emit a uniform mild beam of 405nm wavelength, exquisite printing accuracy, and a extra smooth floor end.
  • The Z-axis is designed with dual linear rails and non-slip hexagon socket leveling screws for ultra-steady & correct motion and first rate printing overall performance.
  • The sandblasted surface construct plate affords plenty stronger adherence, and PFA launch liner with easier version elimination and much less launch anxiety.
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6\ Inch Recessed Can Light Polished Shiny Chrome Reflector Shower Trim with Clear Fresnel Lens Fits HALO ELCO JUNO

  • WITH METAL RING (POLISHED SHINY CHROME FINISH) AND CLEAR FRESNEL LENS.
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InstantFlex TL70 2.0 Instant Film Camera f=61 mm Black

  • Classic style instant film camera with Twin Lens Reflex design..
  • Large variable aperture f/5.6-f/22, 61mm fixed focal length main lens (f/2.9-f/11.8 32mm equivalent in 35mm) with focus range from 48cm to infinite.....
  • Fresnel ground-glass focusing screen with magnifying lens for precise focusing. The camera also features a secondary line-of-sight viewfinder..
  • Aperture priority shooting mode with 1/500s to 1s shutter speed, correct exposure confirmation light and ±1 EV exposure compensation. Bulb mode with....
  • Automatic variable-power flash for night shooting. Features a standard 1/4" tripod mount and works with 3 AA batteries (included)..
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Aputure Fresnel 2X, Bowen-S Mount Light A Multi-Functional Light Shaping Tool Shape Your Light Use for C300d ii LS C120d LS C120d Ⅱ LS C300d Spot Lens

  • Bringing 2 times more output than using Fresnel 1st Generation.
  • Bringing X times more output to a 300D light @1 meter.
  • More stable and smoother zoom in/out design.
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Nikon AF-S FX NIKKOR 300MM f/4E PF ED Vibration Reduction Lens with Auto Focus for Nikon DSLR Cameras

  • Perfect for fashion, portraits, nature, wildlife, sports, and more.Vibration Reduction Fixed Zoom Lens for Nikon DSLR Cameras.
  • Phase Fresnel lens provides superior chromatic aberration compensation performance.
  • Nano Crystal Coat reduces lens flare and ghosting.
  • Silent Wave Motor (SWM) provides quiet, fast autofocusing with seamless manual override.
  • Vibration Reduction improves image stability by automatically compensating for camera shake for up to 4.5 shutter speed stops.
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GVM Great Video Maker 80W Portable LED Video Light White 5600K Daylight Balanced Video Light, CRI 97+ Continuous Lighting Bowens Mount for Video Recording, Children Photography, Outdoor Shooting

  • ★POWERFUL LED BULBS: 80W higher power LED bulbs create stable light resource and even illuminance to guarantee high light brightness. With 97+ color rendering index, 5600k color temperature, it can restore ture color and present objects as authentically as possible.
  • ★FRESNEL LENS & BOWENS MOUNT: Professional Fresnel Lens, make the lighting sources softer, perfect for shooting profile and long-distance shooting and suitable for video studio shoot lighting. The universal Bowens mount is flexible for mounting different types of the lampshade, softboxes, umbrellas, and other accessories..
  • ★ADJUSTABLE SHOOTING ANGLE: This 80W LED video light can be 180 degree adjustable and can U-bracket supports 360°rotation improves light control to meet more your different lighting angles requests.
  • No flash, protect eyes, perfect for video recording, children photography, studio product photography and outdoor wedding shooting (Note: The light stand is not included).
  • ★EASY TO CARRY: Only (215 * 128 * 168mm) can be carried out easily, and the heavy (1kg) daylight can let you easily put into your backpack and carry it. Our anti Impact foam packaging prevents the product from being damaged during transportation..
  • ★INTELLIGENT COOLING SYSTEM: Equipped with a built-i....
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