ReviewsElectron Accelerating Beam

SVBONY Telescope Filter CLS EOS-C Clip-on Filter Compatible for Canon Broadband City Light Reduction Filter for CCD Cameras DSLR

Electron beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching.
as well as stability on CWL (central wavelength) no deviation affected by temperature change.
Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off band.
90% transmission of main nebula emission lines.
specifically the major emission lines of artificial light pollution.
Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target.

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VILTROX 56mm F1.4 f/1.4 XF Autofocus APS-C Portrait Lens for Fuji Fujifilm X-Mount X-T3 X-T2 X-H1 X20 X-T30 X-T20

35mm equivalent F1.4 lens, Fully compatible with FUJIFILM X-Mount.
Focus range : Normal- 0.6m - ∞, Macro : 28cm - ∞, Focal length: f=23mm ,Max. magnification: 0.1x.
Seven round-edged aperture blades, which offer 22 stops in 1/3 EV steps.
Lens elements treated with Fujifilm’s multilayer HT-EBC (High Transmittance Electron Beam Coating).
1 lens group consisting of 3 cemented lens elements and 1 aspheric lens element.

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Organic Chemistry Model Kit (307 PCS) – Armyte Chemistry Molecular Model for Teacher Student and Young People Academic Chemistry Education, Pack with Atoms, Bonds, Electron Orbital (Colorful)

...rs or parents, you can teach your students or children about the complex molecular structure much easier than only picture in books!.
2. Most complete and precise Chemistry model: This sophisticated model contains 126 atoms including: Carbon, Nitrogen, Oxygen, Hydrogen, Sulfur, Chlorine, etc. Besides, it contains 30 electron cloud orbitals, 150 molecular bonds (single bond.
triple bond) and 1 bond-disassemble tool. With this kit, it’s very easy to make a benzene, ethylene, methane molecular by using ‘4-hole Carbon’ atom and ‘1-hole Hydrogen’ atom..
3. Excellent Electron Orbital Model Kits: Our product contains extra electron orbital model for advanced education in Chemistry. For example, you can assemble a Methane electron orbital model by using ‘5-hole Carbon’ atom and ‘1-hole Hydrogen’ atom. This is a difficult part and therefore, it’s an essential part for students and children..
4. Durable Model: PP (polypropylene) plastic Atoms have good durability, high gloss and well texture. LDPE (Low density polyethylene) plastic linking bonds have perfect durability and perfect bending property. The product can endure many years. Never worry about broken problem..

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Estes Gryphon Model Rocket with Glider| Fun Flying Model Rocket Kit to Build | Soars to 700'.

BUILD YOUR OWN ROCKET: Nothing compares to the thrill of building your own fully functional, FLYING model rocket. Great as a new favorite pass-time or for budding scientists and engineers, Estes rocket kits help kids and adults learn about high-flying space vehicles..
SKILL LEVEL: Rocketeers with at least one Beginner rocket under their belt will enjoy the extra challenge of building and finishing this Intermediate kit from scratch. Includes easy and user-friendly instructions to follow..
RECOMMENDED ENGINES (not included): A3-4T, 1/2 A3-2T, A10-3T.
PROJECTED ALTITUDE: 700 ft. (213 m) on a A10-3T.
ESTIMATED ASSEMBLY TIME: 2 hours (painting and glue drying time not included).LAUNCH SYSTEM: The Gryphon is compatible with the Porta-Pad II Launch Pad and Electron Beam Launch Controller, or any launch system that can support a 1/8 in. launch rod..AGES: For boys and girls ages 10+ with adult supervision for those under 12, and rocketeers of all ages..

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WordPress For Beginners: Tips and Tricks to Build a WordPress Website Fast without Coding

Build and launch your own high-flying model rocket! There's no thrill quite like launching a model rocket, watching it Streak Skyward, reach Peak altitude, and then return gently to earth. When you build them, the thrill is even better. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space..
SKILL LEVEL: The Generic E2X is an easy-to-assemble Beginner level rocket with pre-colored parts..
RECOMMENDED ENGINES (not included): 1/2A6-2, A8-3, A8-5, B4-4, B6-4, B6-6, C6-5, C6-7.
Projected altitude: 1100 ft. (335 m) on a c6-7.
Estimated assembly time: 1 hour (glue drying time Not included).Launch system: compatible with the porta-pad II launch pad and electron beam launch controller, or any launch system that can support a 1/8 inch launch rod..Ages: For boys and girls ages 10+ with adult supervision for those under 12, and rocketeers of all ages..

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Baby Puzzles for Toddlers Fun - Building blocks educational game for Kids to learn and enjoy!

Build and launch your own high-flying model rocket! There's no thrill quite like launching a model rocket, watching it Streak Skyward, reach Peak altitude, and then return gently to earth. When you build them, the thrill is even better. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space..
SKILL LEVEL: The Generic E2X is an easy-to-assemble Beginner level rocket with pre-colored parts..
RECOMMENDED ENGINES (not included): 1/2A6-2, A8-3, A8-5, B4-4, B6-4, B6-6, C6-5, C6-7.
Projected altitude: 1100 ft. (335 m) on a c6-7.
Estimated assembly time: 1 hour (glue drying time Not included).Launch system: compatible with the porta-pad II launch pad and electron beam launch controller, or any launch system that can support a 1/8 inch launch rod..Ages: For boys and girls ages 10+ with adult supervision for those under 12, and rocketeers of all ages..

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80W Super White LED Headlights Bulbs Upgrade - Yamaha ATVS YFM350 400 450 660 700 Raptor Blaster 200 Banshee 350

Voltage：DC12V-24V, Beam Angle: 360°, Usage: SignalLight, DoorLight, Reading light, lumens: 800lm. 6000K.
Fitment: Banshee Raptor Rhino YFZ350 YFZ450 YFM250 YFM350 YFM450 YFM660 YFM700 etc.Pls ensure that the accelerating voltage of your car is in the range of 12-36V..
Low consumption LED lights, with 50000 hour life expectancy.Professionals install is always strongly recommended to avoid trouble caused by inexperienced installer..
Super bright wide angle and a reflective casing provide maximum visibility & safety..
【Guarantee and Warranty】 180 days from date of purchase.We are committed to provide excellent customer service,If you have any questions,please contact us.We will try our best to solve your problem..

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Estes Alpha Flying Model Rocket | Build Your Own Rocket Kit | Soars up to 1000 ft. | Fun Unplugged Family Activity | Great for Hobbyists and Kids 10+

Build your own rocket: Nothing compares to the thrill of building your own fully functional, flying model rocket. Great as a new favorite pass-time or for budding scientists and engineers, Estes Rocket kits help kids and adults learn about high-flying space vehicles..
Skill level: The Alpha is an intermediate level rocket which will help a budding Rocketeer develop some basic model building and finishing skills..
Recommended engines (not included): 1/2a6-2, a8-3, a8-5, b4-4, b6-4, b6-6, c6-5, c6-7.
Projected altitude: 1000 ft. (305 m) on a c6-7.
Estimated assembly time: 1 hour (glue drying time Not included).
Launch system: compatible with the porta-pad II launch pad and electron beam launch controller, or any launch system that can support a 1/8 inch launch rod..
Ages: For boys and girls ages 10+ with adult supervision for those under 12, and rocketeers of all ages..

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80W Upgrade LED Headlights Bulbs Super White Replacement for Yamaha Banshee 350 YFZ350 Big Bear YFM350 YFB250 Timberwolf (Pack of 2)

Replacement for Yamaha Part # 1YT-84314-00-00, 1A2-84714-41-00, 2GN-84314-00-XX, 2GN-84314-00-00, 5VM-84314-00-00, 4KB-84313-01-00, 4KB-84314-01-00..
Fitment: Compatible with Yamaha Banshee Raptor Rhino YFZ350 YFZ450 YFM250 YFM350 YFM450 YFM660 YFM700 etc.Pls ensure that the accelerating voltage of your car is in the range of 12-36V..
80W Design with 16 LEDs (4 Top, 12 Side),Super White Color..
Voltage：DC12V-24V, Beam Angle: 360°, Usage: SignalLight, DoorLight, Reading light, lumens: 600lm..
You will get: 2x headlights as picture shown..

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JOYO JF-02 Ultimate Drive Overdrive Guitar Effect Pedal

Ultimate Drive Overdrive Guitar Effect Pedal.
Hybrid OCD distortion of solid state or vacuum tube tone.
Effects of electron tube amplifier and complex harmonic spacious sound.
Intermediate between distortion and overdrive, different from the normal diode clipping circuit..
Hybrid OCD distortion of solid state or vacuum tube tone, create the tone of a tube amplifier at volume..
Soothing and sweet tone & more active redundancy..
Effects of electron tube amplifier and complex harmonic spacious sound..
Also added High and Low switch to tailor overdrive frequencies to your liking..
Powered by: 1 * 6F22 9V battery / DC 9V adapter (neither included).
Effect pedal size: Approx. 12 * 6.7 * 5.6cm / 4.7 * 2.6 * 2.2in.
Package size: 12.8 * 7.5 * 6cm / 5.0 * 3.0 * 2.4in.

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Preamplifier Preamp Tube Board DIY Kit 6J1 Preamp Tube Board Preamplifier Headphone Amplifier

【6J1 ELECTRON TUBE】Preamplifier adopt 6J1 electron tube, classic collocation. This is a preamplifier + headphone amplifier that can be used with a post-amplifier or an active speaker, or it can be used with headphones..
【POWER SUPPLY】Preamplifier adopts 12V DC power supply, internal stable boost to 100V to ensure the performance of the tube. The headset can be pushed to 300 ohms, the general recommendation is 16-150 ohms..
【WARM AND MELLOW MUSIC SOUND】A cost-effective preamplifier with warm, mellow, sweet and transparent sound. The sound of this board is warm, mellow, sweet and transparent, and full of music..
【ENJOY DIY】Preamplifier is a cost-effective preamplifier. Replaceable op amp and upgrade the tube, just plug it in the direction of the foot. This preamplifier allows you and your family to enjoy the joy of DIY..
【STABLE PERFORMANCE】Preamplifier preamp tube board is carefully debugged circuit with stable performance, quiet and no noise. Output port: 3.5MM headphone output, preamp output..

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