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When dew forms on the optics of your telescope and viewfinder, it makes it virtually useless for observing or astrophotography. Dew shields and oth...

This is the genuine replacement Mounting Base for the Telrad Reflex Sight. There are holes to bolt on the base, or you can use the double-sided foa...

These Riser Bases will position the Telrad Reflex Sight to a higher position off the telescope tube assembly to clear obstructions on the tube asse...

Description With a universe of options to explore, it can be difficult to track what awe-inspiring treasures are currently visible in your sky. Th...

Features Solid marine binoculars ideal for observations while sailing or for other water sports Built-in, illuminated compass and reticle for nav...

Features High magnification binoculars with large light gathering capacity Large field of view of 119 m at 1000m Individually adjustable interpup...

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

Features These binoculars combine a strong magnification with a high light gathering capacity Long distance observations and particularly detaile...

Features Binoculars with large light gathering capacity for use in twilight Large field of view of 122 m at 1000 m Individually adjustable interp...

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

Features 1.5-inch stainless steel legs provide a sturdy foundation for your observing or imaging setup Die cast aluminum spreader tray locks agai...

Features Precision all-metal construction with stainless-steel ball bearing for super-smooth action. Attractive silver and black bead-blast finis...

Features Rotatable 360° diagonal to find the perfect viewing angle! 360mm Focal Length Full-length AZ Panhandle Mount Capture what you see with t...

Features Variable polarizing filter Individually adjustable image brightness Made from highly parallel optical glass Black anodized aluminum hous...

Features Explore everything from the soil to the stars with this 50mm telescope and 640x microscope set. Easy-to-use refracting telescope has a 5...

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...

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 Detect coins, jewelry and other metal objects up to 6 inches below the surface LCD display and audio tones alert searchers to presence ...

Features Dark-Sky filter Contrast increase in aurora & deep-sky photography Reduction of stray light from street lights, for example Wide-ang...

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...