Top Tube Viewing System

United Scientific Magnets, 6\ Alnico Bar, Set of 2

  • Includes 1 scratch-resistant display tube with encased steel filings, 1 alnico cow magnet, 1 rubber stopper to hold the cow magnet inside the tube, multilingual activity booklet, and a storage container with lid..
  • This new and improved version of our Mysterious Magnet Tube is better than ever! How is it better? It features scratch-resistant plastic (new tube material) and steel filings (not iron) for stay-clear viewing! Also, the patterns created by the new (sparkling! ) polished steel filings are unique and simply beautiful--can't compare to patterns created by iron filings!.
  • Filings are completely encased in plastic--no mess!.
  • View magnetic fields up close. . . and in 3-D!.
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Classics - Shane Carwin MMA Elk Hunt

  • Wide viewing angle and low magnification is great for shooters and hunters who routinely shoot at shorter distances.
  • Features the Ballistic E3 reticle that provides shooters a simple method for determining holdover and wind drift.
  • Built with a 1-inch nitrogen-filled tube and includes new push/pull locking turrets and a zero stop feature that automatically stops the elevation turret at your zero distance, making setting the zero stop easier than ever.
  • Rear focal plane Ballistic E3 reticle calibrated for traditional, magnum and varmint loads.
  • Hash marks on lower vertical crosshair are calibrated for aiming from 100 to 400 yards.
  • 5x zoom system with premium, multi-coated glass for crisp, bright image.
  • Covered by the Burris Forever Warranty. We will repair or replace your Burris optic if it is damaged or defective. Warranty does not cover loss, theft, deliberate damage or cosmetic damage that does not hinder the performance of the product.
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Full Face Snorkel Mask, Diving Mask Premium Innovative Safety Breathing System, 180 Panoramic Foldable Anti Fog Anti Leak Swimming Mask with Detachable Camera Mount for Adults (Blue, Medium)

  • 【CLEAR VIEW 180 & CAMERA MOUNT】Zenoplige full face snorkel mask offers a curved high-quality clear material to cover your face and provides a clear uninterrupted 180-degree vivid viewing. A specially designed camera mount makes it easy to put on and easy to take off. The snorkeling mask is perfect for more professional snorkelers or beginners who want to get a wonderful snorkeling experience..
  • 【ADVANCED BREATHING SYSTEM】 The snorkel mask has an innovative design that provides three channels to create a unique breathing system. ONE intake valve and TWO air outlets make it available to control the flow of air and limit exhaled breaths from seeping back into the upper chamber, which has the effect of Anti-Fog..
  • 【ANTI-LEAK & DRY TOP SNORKEL】This diving mask Uses a liquid silicone skirt to ensure full adherence to the face, the mask effectively prevents water from getting into the mask. And please don't worry about water seeping into the snorkel as you dive in because its built-in standard ball float system is able to stop the water from entering the tube when submerged..
  • 【MORE COMFORTABLE & SAFETY】 The adjustable V-strap back goes a long way to keep the mask tight on your face. And it's available to adjust this swimming mask anywhere th....
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Elikliv EDM201 Pro + 6 Inch Extension Tube HDMI Digital Microscope with 10 Inch Stand - 1300X Coin Micro Soldering Microscope with Screen

  • 【10" Stand, See entire coin easily】 Viewing the whole coin is so easy. This new HDMI microscope is updated from the Elikliv EDM201 microscope with a longer 10" stand column. So the maximum distance between the lens and the base extends to 6.3 inches. There is no need to install any extension tubes or lift the monitor. Whole coins such as dimes, cents, nickels, coins, dollars, and even large silver dollars can be fully displayed on the screen..
  • 【Microscope Extension Tube, See the Entire Coin Clearly】 This extension tube can extend the length of the digital microscope stand. It can obtain a wider and higher field of view under microscope observation. Very suitable for coin and stamp inspection..
  • 【Upgraded 7" IPS Screen】The Elikliv digital microscope features an IPS screen, allowing you to enjoy vivid and saturated colors. Even with prolonged use, the 7-inch digital microscope ensures no ghosting, stuttering or tearing, effectively protecting your eyes. Full 178-degree viewing angle for premium viewing when sharing your screen with family or friends..
  • 【CMOS Upgraded Version】The Elikliv 2022 upgraded digital microscope is embedded with a large 16 MP backlit CMOS sensor, which greatly improves light sensitivity and noise control. 1300X m....
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Orion 5124 2-Inch Telescope Eyepiece Extension Tube

  • Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications.
  • Adds 2" of extension, fits in 2" telescope focusers, and accepts 2" eyepieces or accessories.
  • Features two locking thumbscrews to secure any inserted astronomy accessory.
  • Threaded for use with 2" Orion eyepiece and astrophotography filters.
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Cyxus Blue Light Blocking Computer Glasses for Men Semi Rim Glasses Crystal Lens UV Blocking Gaming Eyeglasses Black Frame

  • Precision Aiming: The 6-24x magnification scope features adjustable side parallax and 1/10MIL click adjustments for precision accuracy.Evaluation Range 17.5MIL / 60MOA Windage Range 17.5MIL / 60MOA..
  • Quality Construction: The scope comes with a 50mm objective lens and multi-coated optics, providing impressive viewing clarity. Tube diameter 30mm..
  • External Locking Knobs: The external locking windage and elevation prevent the knobs from accidental adjustments and can be reset to zero.Turret lock system. Pull to adjust, and press to lock. Focus marks: 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 150, 300, and infinite..
  • Diopter compensation from fast-focus eyepiece -3 to +2..
  • Shock tested to 750g Main Body Finish: Black matte,Turrets Finish: Dark Silver..
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Dcorn 7\ HDMI LCD Digital Microscope,1300X Coin Microscope for Adults,16MP Micro Soldering Video Microscope with LED Lights Touch Control, Windows/Mac OS/TV Compatible

  • 7 inch large HD screen with 1024*600 resolution: Compared with the 4.3-inch screen, Dcorn 7 inch digital microscope with screen provides you with 40% more viewing field of vision. You can realize the effect of multiple people watching at the same time without connecting to a computer. The screen resolution is up to 1024 * 600 resolution, bring you a vivid and crystal clear micro world..
  • Observe Entire Coins in Detail Easily: Dcorn coin microscope for error coins comes with a 4.7-inch extension tube make coin fans can see entire coins easily. Including and not limited to a dime, penny, nickel, quarter, dollar, even the large silver dollar..
  • HDMI/USB Output for Lager View: Dcorn HDMI microscope supports connecting to any monitor with HDMI interface or PC , allowing you to get a larger field of view for sharing and discussion. When it is connected to the PC, you just need to run the default "Windows Camera" for Windows 10 or "Photo Booth" for iMac/MacBook,no extra software needed,very convenient..
  • 2 Side Lights Designs & Touch Control: Dcorn LCD microscope is equipped with 8 built-in lights around the lenses and 2 side lights with a 360-degree adjustable angle, that use a smart brightness adjustment touch control, which makes it easier to operate and obser....
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OMAX 40X-2500X 18MP USB 3.0 Digital EPI-Fluorescence Trinocular Compound Biological Lab Microscope

  • Magnifications: 40x, 64x, 100x, 160x, 250x, 400x, 640x, 1000x, 1600x, 2500x.
  • Microscope Head: - Trinocular viewing head: anti-mould, 45 degrees inclined 360 degrees swiveling, compensation free - Sliding interpupillary adjustment, range 2-3/16inch - 3.0inch (55 mm-75 mm) - Nosepiece: revolving, quadruple - Adjustable diopter ring on both ocular tubes - Photo tube: Inner diameter 23.2mm, height adjustment range: 3/4inch (18 mm).
  • Eyepieces - 3 pairs of eyepieces: WF10X, P16X, WF25X.
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SkyWatcher S11800 GoTo Collapsible Dobsonian 8-Inch (White)

  • LARGE APERTURE: Get a bright, bold viewing experience at a fraction of the cost of other optical designs..
  • INNOVATIVE COLLAPSIBLE DESIGN: Unique strut design allows for optical tube to collapse for ease of portability while keeping collimation..
  • BUILT-IN WIFI: Control your telescope using a smartphone or tablet with Sky-Watcher’s proprietary built-in wifi signal..
  • ALL METAL GEARING: Using all-metal gearing on a pair of DC servo motors, the SynScan Dobsonian combines the precise automated tracking of a computerized GoTo telescope with the bright large-aperture viewing of a Dobsonian..
  • 94% REFLECTIVE MIRRORS: Fully multi-coated borosilicate primary and secondary mirrors deliver exceptional views..
  • 42,000 OBJECT DATABASE: SynScan hand controller with 42,000+ object database will keep even the most experienced astronomer busy for countless observing nights..
  • COMES COMPLETE: All accessories such as, 2-inch Crayford-style focuser with 1 1/4-inch adapter, two super wide-angle eyepieces (25mm and 10mm), and 9x50 straight-through finder scope are included with purchase..
  • STURDY AND LIGHTWEIGHT DESIGN: When fully assembled, the Dobsonian weighs only 57 pounds fully assembled (24 pound tube, 33 pound base).
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Sunset Healthcare Solutions Heated Cpap Tube Compatible HT15 with DreamStation DreamStation 2 and PR System One Heated humidifiers

  • ⭐ Sunset Healthcare Solutions brand Heated tube for DreamStation, DreamStation2, and PR System one.
  • ⭐ Heated cpap tube can only be used with PR System One, DreamStation, or DreamStation 2 PAP machines.
  • ⭐ Tubing size: 6ft length and 19mm diameter.
  • ⭐ Compatible replacement for Respironics DreamStation HT15 Heated Tube or System One 60 Series SYS1HT15 Heated Tube.
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Lasers And Dots

  • ... 2" height for thicker materials once the vented level board is removed.
  • the stabilizer clamp fixes irregularly shaped items securely in place for accurate engravings.
  • SAFE & EASY OPERATION: A digital laser power supply provides sure and easily monitored operation for your DC tube's expected 2000 hour life.
  • the wide viewing cover includes tinted eye protection.
  • a built-in exhaust fan quickly blows away smoke and dust for better ventilation to protect your laser lenses and reflective mirrors.
  • and a large E-stop is ready in case of emergencies.
  • FAST & FULLY ADJUSTABLE: This CO2 laser system marks wood, paper, plastics, leather, fabric, stone, and a wide range of other nonmetallic materials at up to 13.8 inches per second (350 mm/s) with pinpoint accuracy.
  • its digital panel works with most third-party graphic software, easily receiving files via USB.
  • and locking caster wheels allow you to easily move and secure your laser cutter whenever needed.
  • SUPERIOR SUPPORT & SERVICE: From garage artists to backyard businesses to professional workshops, the OMTech community continues to grow thanks to our passionate dedication to making quality engraving available to all.
  • order your own engraver today and enjoy fast US-based shipping, a strong 2 year general warranty ....
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Anchor Master Sky Watcher Adjustable Wooden Stand Vintage Floor Standing Brass Telescope Nautical

  • ...ial is authentic and solid handmade quality work.Heavy solid brass half moon shape antique look telescope shiny brass will glow at your place.
  • This fine classic instrument features modern high quality fully coated optics ensuring excellent optical performance. The correct image eyepiece design allows for terrestrial viewing as well as for basic astronomical observations. With a sensible magnification of 20x a wealth of detail can be seen skywatch or lands views so far. The magnificent, highly polished brass, is complimented by a tripod made from finest quality mahogany wood in keeping with the solid brass tube and fittings..
  • Use : Home & Office Decor,Lobby,Living Room Decorative,Functional at Balcony Lawn,Best Gift or Present at Halloween,X-Mas and New Year etc.,Collectible.
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