Under $200

A Map of the Classical Albedo Features of Mars Produced by Carlos Hernandez. Not all features noted on the map are visible to an observer at any...

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 Pocket Camera - Capture engaging content to share with friends, family and followers with this compact 1080P HD camera that slips easil...

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

Features Waterproof up to 32 ft LED light and strong pulse vibration for metal detection Uncover coins, jewelry and precious metals on land or un...

Features 8x Magnification Waterproof Twist-up Eyecups 394ft field of view at 1000 yards Case, strap, lens covers and cleaning cloth Descriptio...

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

Features Three objective lenses mounted on a rotating turret provide magnifications of 100x, 400x and 1200x. Includes Prepared and blank slides, ...

Description Discover The World Around! Your ExploreOne 6x21 Binoculars are the perfect companion for countless outdoor adventures. With these dura...

AA Battery Holder Powers Truss-Tube Dobsonian Fans   The AA battery holders for the Explore Scientific truss-tube Dobsonian telescopes with fans us...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Description For cigarette socket compatible power supply It can be used with SX, SX2, SXD2, SXP, AXD mounts, DD-3 controller, STAR BOOK Type S con...

Features Special mount atop telescope tube allows users to attach their device to the telescope and easily locate constellations and planets in t...

Features Optical tube assembly only ready for daytime solar or nighttime stellar use, for visual or astroimaging applications.  80mm aperture wi...

Features 80mm aperture will reveal impressive lunar details ranging from craters to rilles, planetary features like Saturn’s ring structure or Ju...

Description Extension tube This Extension tube converts 42mm T-thread to 43mm thread. Specs Thread Diameter 42mmT (p=0.75) 43mm (p=1) O...

Description For cigarette socket compatible power supply It can be used with DD-2 controller, dew heater 2 and color CCD camera C0014-3M. Spec ...

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