Categories

Best Refractive Mount

Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists

  • Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones..
  • Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones..
  • This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI..
  • The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial)..
  • In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face..
Check Stock

LP GEAR cartridge and stylus for Technics SL-M3, SL-MA1, SL-Q2, SL-Q20, SL-Q200, SL-Q210, SL-10, SL-7,SL-Q30, SL-Q300, SL-Q310

  • Carbon fiber technology for remarkable nuance and tonal complexity.
  • Harmonically exquisite, refractive, large multidimensional soundstage.
  • Spectra Elliptical diamond for very fine tracing accuracy.
  • Diamond tip r/R radii: 8 × 18 µm (.0003 × .0007 inch).
Check Stock

Jewelry Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer,Portable Jeweler Tester Tool, Gemological Gemstone Gem Refractometer

  • WITH THE HELP OF CONTACT FLUID (RI FLUID) : An optical contact between glass and gemstone is made. Gem refractometer You can measure or test the refractive index of faceted stones, transparency or opacity, as well as their beauty, durability and scarcity.
  • PROFESSIONAL FUNCTION: Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.Professional Gemstone ldentification.
  • USER-FRIENDLY DESIGN: Refractometer gemstone with integrated light source you can use it in different environments. Gemological Gemstone Gem Refractometer, Automatic Temperature Compensation (ATC) that adjusts to the climate. Low battery consumption for long operating times.
  • PRODUCT DETAILS: Refractive index range between 1.30-1.81 RI, power supply is AA battery (not included). And size is 13 * 6 * 3.5cm / 5.1 * 2.4 * 1.4inch. Gem refractometer, Lightweight and compact, easy to transport.
  • SATISFACTION GUARANTEE: This refractometer is designed to measure the refractive index of gemstones and solid materials.If you have any questions about the product, do not hesitate to contact us or ask questions in QA, Rotekt will solve yo....
Check Stock

SVBONY SV32 Monocular Telescope,10x50,High Definition,High Power,Compact,for Adults,Waterproof,High Power,for Birding,Hunting,Widelife Viewing,Sports Competition,with Hand Strap

  • Professional higher refractive index Bak4 prism.
  • it can effectively improve the light transmittance and make the image more clearly.
  • large eyepiece can effectively reduce the eye fatigue and depression caused by telescope for a long time comfortable observation.
  • the more light enters into the monocular.
  • Even in harsh environments, it can effectively prevent water droplets from entering.
  • The bottom guide rail screw can directly connect to the standard thread tripod.
  • Greatly improves the product applicability.
Check Stock

Venus Optics Laowa 24mm f/14 2X Macro Probe Lens with Nikon F Mount

  • Wide-angle prime is designed for FX-format Nikon F-mount cameras, however can also be used with DX models where it will provide a 36mm equivalent focal length..
  • Unique macro lens design offers a greater-than-life-size 2:1 maximum magnification along with a minimum focusing distance of 1.5' and a working distance of just 0.8"..
  • The long, tubular lens barrel contributes to producing a distinct bug-eye perspective and, despite the short working distance, the length of the lens barrel places the camera at a comfortable shooting distance..
  • Wide-angle 24mm focal length affords greater depth of field and more surrounding detail than traditional telephoto macro designs, which tend to isolate subject matter with shallow depth of field..
  • Optical design includes two extra-low dispersion elements that control color fringing and chromatic aberrations in order to produce greater clarity and color accuracy. One extra refractive index element is also featured, which reduces spherical aberrations and distortion for improved sharpness and accurate rendering..
Check Stock

Viiko 1-6x32 Rifle Scope LPVO Long Eye Relief Half-Mildot Huge Eye Box( Mount with Discount)

  • Viiko 1-6×32 long eye relief Scope,SFP LPVO optics,1X to 6x magnification,5’ to 7’ inch eye relief at all magnification with wide eye box provides quickest response to lock on target ..
  • Built for extremer and adventurers,Top glass quality with top of the optics designers,the huge eye box and long eye relief provides optimal experiences for better situation awareness and quick response for target acquisition..
  • XC High Density Glass – Build with German Schott Glass for Impressive light transmission and scene clarity,with 95% Light Transmission Multi-coated Clarity lens with improved refractive and crystal clear view..
  • One piece 30mm tube constructed from 6066T6 aircraft grade aluminum ensures strength and shockproof performance. O-ring sealed and nitrogen purged, Exceptional strength and superior mechanical integrity will protect these world class optics..
  • Half Mil-dot Reticle with -/+40MOA W/E Adjustment turrets features re-zero cap.A wide range of eye relief could provide (Cantilever Mount is not included but with discount provided.).
Check Stock

TTArtisan 50mm f1.2 e Mount Lens APS-C Camera Lens for a6400、a6000、a6100、a6600、a5100、a6500、a6300

  • 50mm focal length of APS-C format: The 50mm of the APS-C frame lens is equivalent to the full frame of 75mm, and the portrait at this focal length is more natural..
  • Large Aperture and Smooth Bokeh: The large aperture of F1.2 gets rid of a cluttered background and highlights the subject. Smooth bokeh makes photos full of poetry and enhances artistic appeal..
  • Hight Quality 50mm Lens : APS-C 50mmF1.2 adopts 7-element 5-group structure design, contains three high-refractive lenses, and the closest focusing distance is only 0.5m..
  • Sonnar Optical : Sonnar optical concept promotes a high degree of sharpness, low distortion, and accurate rendering..
  • e mount camera Lens: For A5000、A5100、A6000、A6100、A6300、A6400、A6500、A6600、NEX-3、NEX-3N、NEX-3R、NEX-5T、NEX-5R、NEX-5、NEX-5N、NEX-7、NEX5C camera.
Check Stock

Rareelectrical NEW RIGHT BACK UP LIGHT COMPATIBLE WITH TOYOTA SOLARA 1999-2001 TO2521159 8161006040 81610-06040

  • 【BRIGHTER VIEW】Each 921 LED bulb is built with highlight 2835 led chips and concentrated HD condenser lens, make the light penetration and refractive index significantly increase, ensures longer irradiation distance, stronger penetrating power, provide you a bright view when reversing.
  • 【Canbus Ready】This 921 LED bulb is built with constant-current circuits and IC driver, no radio interference, no flickering or error code, prevent over-voltage over-current protection function, ensure reversing light stability.
  • 【FAST HEAT DISSIPATION】Yorkim T15 LED bulb built with rapid cooling aviation aluminum parts, ensures faster heat dissipation, achieve high performance and long lifespan.
  • 【Easy Installation】Only takes 10 minutes or less, simply take out the factory bulb and this 921 led bulb will fit snugly in the socket. Different sockets on different vehicles require different size bulbs, PLEASE feel free to contact us if you are not sure about the compatibility.
  • 【WIDE APPLICATION】Fit for 921 912 906 904 902 W16W socket etc, replacement for Reverse Lights Backup Lights Cargo Lights Center High Mount Stop Light Bulb etc. Check user's manual or original bulb size to confirm compatibility before placing an order.
Check Stock

Panasonic 14-42mm F/3.5-5.6 Lumix GX Vario Power OIS Zoom Lens, Silver, for Micro 4/3 Lens Mount System - Bundle with 37mm UV Filter, 37mm CPL Filter, Lens Wrap, Cleaning Kit, Capleash, Software Pack

  • Panasonic 14-42/3.5-5.6 Lumix GX Vario Zoom Micro 4/3 Lens - Front Lens Cap - Rear Lens Cap - Lens Storage Bag - Panasonic 1 Year Warranty - Bundle includes: - 37mm Uv Filter - 37mm Circular Polarizer Filter - Lens Wrap - Cleaning Kit - CapLeash II - Software Package.
  • Premium 3X Video and Still Optimized Ultra Compact (14-42mm) with Exclusive Power Zoom Technology.
  • Video Optimized Power O.I.S with Silent Drive.
  • Micro Four Thirds Durable Metal Lens Mount with Power Controls for Focus and Smooth Zooming..
  • Premium Extra-low Refractive Index Nano Surface Coating..
Check Stock

Viiko 1-5x24 Rifle Scope Long Eye Relief Scope LPVO 7.6’ Eye Relief Huge Eye Box Fits Mosin 1891/30 M39 M44(Mount with Discount)

  • Viiko 1-5×24 long eye relief Scope,SFP LPVO optics,1X to 5x magnification,5′ to 7.6’ inch eye relief at all magnification with huge eye box..
  • Built for extremer and adventurers,Top glass quality with top of the optics designers,the huge eye box and long eye relief provides optimal experiences for better situation awareness and quick response for target acquisition..
  • XC High Density Glass – Build with German Schott Glass for Impressive light transmission and scene clarity,with 95% Light Transmission Multi-coated Clarity lens with improved refractive and crystal clear view..
  • One piece 30mm tube constructed from 6066T6 aircraft grade aluminum ensures strength and shockproof performance. O-ring sealed and nitrogen purged, Exceptional strength and superior mechanical integrity will protect these world class optics..
  • Half Mil-dot Reticle with -/+40MOA W/E Adjustment turrets features re-zero cap.(Cantilever Mount is not included but with discount provided.).
Check Stock

Maxax 4 Lights Crystal Chandelier, Modern Drum Ceiling Light Fixture Lamp, Raindrop Flush Mount Round Metal Shade, for Dining Room, Living Room, Bathroom, Bedroom, Chrome

  • Excellent Shine round chandelier: This crystal ceiling lighter made in K9 crystals has a supreme refractive index which ensures more shimmer than other types of crystals. Thought to have low dispersal properties but is capable to possess unbelievable clarity to brighten up the place consistently in any room. With this ceiling light, you are free from the fear of damage by failing or breaking as they are lighter than leaded crystal, and no more worries to clean and move them..
  • Customize Your Personal Atmosphere: You can choose different light effects(white light/neutral white/warm light ) This flush mount crystal chandelier requires 4 *E12 base bulbs (LED, CFL or Edison bulbs), max 60W.Fully dimmable when used with dimmable bulbs and dimmer switches (bulbs and dimmer switches not included).
  • Mirror Chroming Base: The Size of any crystal chandelier is an important factor-dependent the overall measurement of the placing area. This lamp requires 4 E12 60W light bulbs(not included) which produce the right amount of lighting for 107-162 sq. ft space through 7.3"D and 15"H. creating an elegant and luxurious atmosphere..
Check Stock

Gold Mirror for Wall Decors Geometric Hexagon Hanging Mirror 11.8 X10.2 inch with Metal Chain & Hook Easy Mounted Metallic Copper Frame Mirror Ideal for Home Décor Bathroom Living Room Bedroom

  • Nordic style design hexagon hanging mirror matches all styles of home decoration, bringing aesthetic and modern flair to you space..
  • Material of the hanging gold mirror is brass frame and high refractive index mirror with reverse side in velvet, making you feel soft and not get hurt..
  • Size of hexagon mirror: 10.2” x 11.8” (H x W). Chain is 13.78” long and drops to top of the mirror about 6.5”. Weights 0.83 lbs. Hook is offered to mount on the wall easily..
  • Multiple usage: Adorable wall mirror provides both utility and decorative elements. Perfect for housewarming, New Year and Daily gift, adding a stylish décor to hallway, bedroom, living room and vanity desk..
  • 100% Satisfaction Guaranteed: Use thick foam padding in a sturdy cardboard to secure a safe shipping. All questions or concerns will be responded in 24hrs with proper handling..
Check Stock

Nilight 2PCS 3Inch Motorcycle Led Pods 1300LM Built-in EMC Driving Light Super Spotlight Offroad Fog Light Auxiliary Light for Motorbike SUV ATV Truck Boat Tractor Forklift, 5 Years Warranty

  • 10°Super Spotlight: Specially designed optical lens and refractive cup, achieves a super focused 10°high intensity light beam, shoots a further distance at 635 Feet.
  • Build To Last: Employ top Osram led chips that features higher lumen and quality built gold wire bonding, bringing each light 1300LM stable output to light up the entire way ahead. Gets you less light decay or dead leds, but a long lifespan 50,000+ hours.
  • Premium Quality: Built in IP67 waterproof, powerful to withstand any harsh environments and weather conditions. Also lights are built-in EMC for EMI/RFI protection, resolve the issue of radio interference and flickering.
  • Full Directions Mountable: Comes with adjustable mounting brackets, can freely mount horizontally or vertically without changing lighting effect.
  • Wide Applications: Can be widely used as auxiliary lights such as led driving light, led fog light, offroad lights for motorcycle bicycle dirt bike SUV ATV Truck Jeep Boat Tractor Forklift etc.
Check Stock