$25 to $50

Features Three magnification settings and fully focusable make it perfect for viewing any object down to the cellular level 900X Microscope Set i...

The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradi...

Description Compact, rugged ABS plastic case fits in the palm of your hand – a mere 4.5 inches long, 1.3 inches high and 1 inch wide. DUAL Ultra-b...

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

If you need a Sun Catcher Solar Filter for 10-inch and 12-inch Dobsonian telescopes, purchase SC14-00. Cassiopeia Observatory Review - Click Here...

Description This T-Shaped Finder Scope Base is specifically designed to allow you to secure one of Explore Scientific’s high-quality finder scopes...

Description Connect your Bresser Microscope or Telescope with a Nikon SLR camera and take images or videos of your observed object! The Bresser T-...

Features Foldable binoculars for hikers, lightweight and space saving High magnification: 12x Also suitable for spectacle wearers Dimensions: 139...

Features Foldable binoculars for hikers, lightweight and space-saving Large field of view: 126 m With dioptre adjustment and foldable eyecups als...

Explore Scientific Rack and Pinion Focuser Extension Tube adds half an inch to our 2-inch Rack and Pinion focusers on our ED APO telescopes. CA Res...

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

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...

Description Dual plug (DB9 FTDI chipset and USB 2.0 Mini B) works with PMC-Eight OPENGoTo systems, allowing ASCOM communications between a compute...

Features Flashlight mode has a low beam option that illuminates up to 40 meters and a high beam option that reaches up to 100 meters Floodlight m...

Ideal for any situation, a unisex heavy blend crewneck sweatshirt is pure comfort. These garments are made from polyester and cotton. This combinat...

Features Wireless rain gauge with digital display 9-day precipitation history and rain alarm Time (12 / 24h) Date with language selection for the...

Features Floating sensor for pools, jacuzzis etc. IPX7 waterproof rating LCD temperature display (°C/°F) Operating temperature range -5°C ~ 60°C ...

Explore Scientific Thermo-Hygrometer Sensor compatible with WSX Series Weather Stations. Outdoor Range: -22 to 140 Degrees Fahrenheit ( lithium Ba...

Description Connects Telescope, Spotting Scope with DSLR Camera The T Ring is designed to be used for Astrophotography in conjunction with other ...

Description Converts Eyepiece Thread This adapter converts the eyepiece thread. Makes it possible for you to use different thread eyepiece. Specs...

One size fits all 100% Cotton velcro cap. 100% cotton One size fits all CA Residents: Prop 65 WARNING(S)

Features Video camera mounted on a 27" flexible coil lets you peer over, under and around obstacles and into small spaces. Bright LED light helps...

Features 1.25 "linear polarization filter Socket with 1.25 "filter thread Also suitable for Lunt Herschel wedges Description Simple linear 1.25...

Features 40mm aperture is perfect for nighttime moon gazing and daytime nature watching. Two interchangeable eyepieces give you magnifications of...