Under $200

Features Study specimens in stages using three magnification powers ranging from 300x to 1200x. Use the projection eyepiece to trace images to an...

Features Observers can remove this microscope from its base and move it around by hand to get different views of a specimen. Once plugged into a ...

Features Binocular eyepiece design allows for comfortable viewing and keeps your hands free for working on a specimen while observing. 20x magnif...

Features Ample 70mm aperture will reveal lots of lunar details, planetary features like Jupiter’s cloud belts or Saturn’s rings and some of the b...

Features Ample 70mm aperture will reveal lots of lunar details, planetary features like Jupiter’s cloud belts or Saturn’s rings and some of the b...

Features 76mm Mirror Diameter 350mm Focal Length 18x-117x Magnification 6mm and 20mm Eyepieces 2x Barlow lens Built-in Compass and Mount Moon Fil...

Description The EXOS2 Polar Finder Scope has Polar Assist markings to help you efficiently accomplish a proper polar alignment. This polar scope w...

Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

Description Keep out stray and unwanted light from your 10" and 12" Truss Tube Dobsonian telescope with a lightweight light shroud. Keeping the pa...

Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest cont...

Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm. Transmission 96.7% UHC - This is an ultra-high contrast na...

Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-polluti...

Description This adapter allows you to attach the 3-inch 0.7X Field Flattener Focal Reducer (FFFR507X-00) on optical tubes with a 2-inch focuser. ...

Give the gift of exploration. Gift cards are delivered by email and contain instructions to redeem them at checkout. Our gift cards have no additio...

Description Explore Scientific cradle assemblies fit their appointed telescope OTA snuggly, yet protect the delicate surface of the tube. The hing...

Description Explore Scientific finderscope rings are all made for 50mm finders. Choose from a classic low profile bracket (about an inch tall), on...

Standard Height 50mm Finder Scope Rings Description Explore Scientific finder-scope rings are all made for 50mm finders. Choose from a classic low...

Description A saddle plate is not the most exciting astronomical accessory in the world, but it is one of the most important when it comes to the ...

Features Learn the basics of circuitry as you engineer fun games Design a maze and up the difficulty with a few bends of a wire Set up challenges...

Features Learn how metal detectors work Build a handheld metal detector with adjustable sensitivity Discover how security checkpoints function by...

Features Learn simple scientific principles as you tackle 125 different circuitry challenges Design a maze and up the difficulty with a few bends...

Features Learn the basics of circuitry as you build your own boxing robots Have a fun bot-battle with family and friends Individual scoreboards a...

Features High quality Explore Scientific O-III filter Let only the oxygen emission lines "through" Absorbs all other emission lines Absorbs almo...

Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

Features Tuya® IoT ready that works with Tuya® Smart & Smart Life Apps via Wi-Fi Able to trigger other Tuya® compatible IoT devices Multi-cha...

Features HD Camera Waterproof Case Flat Adhesive Mounts Handle Bar/Pole Mount Frame Housing Mount Velcro Straps Long Thumb Screw Quick Release Bu...

Features 4K HD Camera Waterproof Case Flat Adhesive Mounts Handle Bar/Pole Mount Frame Housing Mount Straps Long Thumb Screw Quick Release Buckle...

Features Sleek profile with top-class metallic charcoal grey finish Slim design with 4 standing angles, ideal for Desktop, bedside or wall Splend...

Features Automatic time setting (CET) via radio signal Manually Time offset adjustable for other time zones Symbolic weather forecast for the nex...

Description Finder Bracket to facilitate Optical axis adjustment Short bracket for Vixen Finder Scope. Use with item #2654, finder bracket shoe, ...

Features 4K Wifi Waterproof Action Camera Waterproof Case Rechargeable Battery USB Cable Remote Handlebar/Pole Mount Frame Mount Straps Release B...

Features Wide-view color VA display Moon phase display Barometer with weather forecast 6 kinds of dynamic weather forecast icons (Sunny, Clear to...

Features Study specimens in stages using three magnification powers ranging from 300x to 1200x. Use the projection eyepiece to trace images to an...

Features Waterproof National Geographic Harness 283ft field of view at 1000 yards Carrying case and lens covers included Description These ver...

Features This versatile adventure set has the devices you need to explore everything from the terrestrial to the celestial by offering a telescop...

Features Ample 70mm aperture will reveal lots of lunar details, planetary features like Jupiter’s cloud belts or Saturn’s rings and some of the b...

Features Waterproof National Geographic Harness 283ft field of view at 1000 yards Carrying case and lens covers included Description These ver...

Description Get to know fascinating sights in our solar system and beyond with the National Geographic 70mm refractor telescope. This telescope ha...

Description Finder Bracket to facilitate Optical axis adjustment Long bracket for Vixen 7x50 Finder Scope, item #8616. Use with finder bracket sho...

Description Get to know fascinating sights in our solar system and beyond with the National Geographic 70mm refractor telescope. This telescope's...

Features Learn key principles of electricity with this engaging STEM kit Preassembled circuit board has 72 experiments involving elements like li...

"I love my Galileo Scope. It’s awesome. It’s always out with me. When the mist gets bad the Galileo is handy." -Harold Locke Features Comes with...

Features This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7 Causes no change to the telescope focal length ...

Description Attaching a DSLR camera or other instruments to the AP mount The dovetail slide bar PG is used to attach a DSLR camera or other instr...