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

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

Description Keep out stray and unwanted light from your 20" Truss Tube Dobsonian telescope with a lightweight light shroud. Keeping the path dark ...

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

Features Waterproof Floating Neck Strap National Geographic Harness 283ft field of view at 1000 yards Carrying case and lens covers included De...

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

Description These are safe full aperture (sometimes referred as clear aperture) solar filters. This means that it allows the most light possible i...

Features With AstroSolar™ the Sun appears in neutral white. Baader AstroSolar™ film Filter cell constructed from lightweight 18Ga. aluminum and p...

Astrozap's first product was the Flexible Dew Shield for astronomical telescopes. Made of flexible black ABS for many brands and models of telescop...

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

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

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

The NEW Explore Scientific 0.8x Focal Reducer lets astrophotographers explore the wonders of wide-field astrophotography in an easy-to-use package....

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 Eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is d...

Description Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workhorse for visual observers. If you love de...

Description Often considered the perfect mid-range focal length for most amateur telescopes, the 20mm on the ED127 at f7.5 produces a 1 degree tr...

Description Long considered the “standard” eyepiece that is often supplied with telescopes that are sold by various suppliers, the 25mm focal len...

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

Features Powerful anchoring with a dedicated panhead shape Double screw type fine adjustment screw for secured attachment Slow motion switchover ...

NOTE: Explore Scientific Eclipse Glasses are rated ISO12312–2, tested and approved by ICS Labs for Direct Observation of the Sun. In addition, Ex...

Description Take Astrophotography Images with Your Smart Phone Easily Attach your camera to your telescope with this adapter to take astrophotog...

Description Prime Focus Photography Adapter with Excellent Precision, Durability and Overall Strength Vixen's new Wide Photo Adapter is designed ...