$100 to $200

Features Reveals Details of Artwork and Crafts Fully Coated Optics Ribbed Rubber Focus Collar Fold-Down Rubber Eyecup BK7 Roof Prism Exceptionall...

Features Reflection / Transmission LED Illumination 3 Lenses: 4X / 10X / 40X Dust cover Included: Permanent slides, Slides, Microscopy instrument...

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 H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

  Schedule Updated 9/21/2022 We are excited to announce the second Ariz...

Learn astrophotography processing techniques through 1-hour Astro Courses with Master MENTOR and astrophotographer Gary Palmer.  An Explore Allianc...

Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

Features Combination of fully multi-coated lenses and superior Bak-4 prisms generate images rich in contrast Combination of fully multi-coated le...

Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest cont...

Features Waterproof 10x magnification 42mm lens diameter 384ft field of view at 1000 yards Case, strap and cleaning cloth Description The Nati...

Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...

Features Reveals Details of Artwork and Crafts Fully Coated Optics Ribbed Rubber Focus Collar Fold-Down Rubber Eyecup BK7 Roof Prism Exceptionall...

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

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

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

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

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...

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 ...