$100 to $200

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

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 Polar finder scope allows imagers to achieve more precise alignment with the celestial pole Reticle includes markings for both northern ...

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 ...

Features Take high-definition videos and photos of birds feeding and flying with this combination bird feeder and camera Wide 110° viewing angle ...

Features Day & Night Viewing Infrared LED 3 Infrared Levels 8x Digital Zoom 3.0" IPS Display UHD Video Resolution 40M Image Resolution 8GB Mi...

Description Accessories for Optical Tube Assembly Vixen Tube Rings are designed for use with Vixen's Dovetail Tube Plate (#2661). They will allow...

Features Protects your optical tube gently Useful accessory pouches Reflection tapes for visibility in the dark Description This is a carry b...

Features The magnification of 6x is the best compromise between the brightness and the sight, particularly when used indoor generally The incorpo...

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 The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heavy Duty tripods.  This adapter also works ...

Features Observing the stars like a good astronomer is very easy with the refractor 70/700 Callisto telescope Includes telescope, mount, tripod, ...

Description Water resistant rubber heater. Reduce night dew on objective lens or main mirror. Specs Length 665mm Weight 320g Length of...

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

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...

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

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...

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...

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...

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

Features Enhanced Vision Technology Unlock the secrets of Solar Activity Observe the Sun in less than 2 Minutes Safely Experience With Your Fami...

Description Explore Scientific™ David H. Levy Comet Hunter Telescope is rich in quality components. Among those is the 2? Comet Hunter Focuser, wh...

Description Finding and holding that perfect crisp focus is almost effortless with Explore Scientific's Crayford Style Focuser. Defined by its pre...