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Original price $484.00 USD - Original price $484.00 USDOriginal price$484.00 USD$484.00 USD - $484.00 USDCurrent price $484.00 USD| /
Astrodon H-alpha Filter - 5nm
DON-HA5_31ROnly 1 left!H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...
View full detailsOriginal price $484.00 USD - Original price $484.00 USDOriginal price$484.00 USD$484.00 USD - $484.00 USDCurrent price $484.00 USD| / -
Original price $484.00 USDOriginal price $484.00 USD - Original price $484.00 USDOriginal price $484.00 USDCurrent price $425.00 USD$425.00 USD - $425.00 USDCurrent price $425.00 USD| /
Astrodon SII Filter - 5nm
DON-SII5_31ROnly 1 left!If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...
View full detailsOriginal price $484.00 USDOriginal price $484.00 USD - Original price $484.00 USDOriginal price $484.00 USDCurrent price $425.00 USD$425.00 USD - $425.00 USDCurrent price $425.00 USD| /Save 12% Save % -
Original price $282.83 USDOriginal price $282.83 USD - Original price $282.83 USDOriginal price $282.83 USDCurrent price $238.37 USD$238.37 USD - $238.37 USDCurrent price $238.37 USD| /
Baader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)
BAA-2961400-125-USEDOnly 1 left!In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...
View full detailsOriginal price $282.83 USDOriginal price $282.83 USD - Original price $282.83 USDOriginal price $282.83 USDCurrent price $238.37 USD$238.37 USD - $238.37 USDCurrent price $238.37 USD| /Save 16% Save % -
Original price $193.17 USDOriginal price $193.17 USD - Original price $193.17 USDOriginal price $193.17 USDCurrent price $180.78 USD$180.78 USD - $180.78 USDCurrent price $180.78 USD| /
Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)
BAA-2961100-36-OPENBOXOnly 1 left!In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...
View full detailsOriginal price $193.17 USDOriginal price $193.17 USD - Original price $193.17 USDOriginal price $193.17 USDCurrent price $180.78 USD$180.78 USD - $180.78 USDCurrent price $180.78 USD| /Save 6% Save % -
Original price $306.16 USDOriginal price $306.16 USD - Original price $306.16 USDOriginal price $306.16 USDCurrent price $209.94 USD$209.94 USD - $209.94 USDCurrent price $209.94 USD| /
Baader CCD LRGB 31mm Unmounted Filter Set (OPEN BOX)
BAA-2459474-OPENBOXOnly 1 left!In perfect condition, open box Filter size 31 mm - round, unmounted - filter thickness 2 mm Set of L-R-G-B filters High-quality anti-reflective ...
View full detailsOriginal price $306.16 USDOriginal price $306.16 USD - Original price $306.16 USDOriginal price $306.16 USDCurrent price $209.94 USD$209.94 USD - $209.94 USDCurrent price $209.94 USD| /Save 31% Save % -
Original price $219.99 USDOriginal price $219.99 USD - Original price $219.99 USDOriginal price $219.99 USDCurrent price $119.99 USD$119.99 USD - $119.99 USDCurrent price $119.99 USD| /
Explore Scientific 68° 16mm Waterproof Eyepiece - 1.25"
ES-EPWP6816-011 in stockUsing advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full detailsOriginal price $219.99 USDOriginal price $219.99 USD - Original price $219.99 USDOriginal price $219.99 USDCurrent price $119.99 USD$119.99 USD - $119.99 USDCurrent price $119.99 USD| /Save 45% Save % -
Original price $219.99 USDOriginal price $219.99 USD - Original price $219.99 USDOriginal price $219.99 USDCurrent price $119.99 USD$119.99 USD - $119.99 USDCurrent price $119.99 USD| /
Explore Scientific 68° 20mm Waterproof Eyepiece - 1.25"
ES-EPWP6820-011 in stockUsing advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full detailsOriginal price $219.99 USDOriginal price $219.99 USD - Original price $219.99 USDOriginal price $219.99 USDCurrent price $119.99 USD$119.99 USD - $119.99 USDCurrent price $119.99 USD| /Save 45% Save % -
Original price $269.99 USDOriginal price $269.99 USD - Original price $269.99 USDOriginal price $269.99 USDCurrent price $169.99 USD$169.99 USD - $169.99 USDCurrent price $169.99 USD| /
Explore Scientific 68° 24mm Waterproof Eyepiece - 1.25"
ES-EPWP6824-013 in stockUsing advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full detailsOriginal price $269.99 USDOriginal price $269.99 USD - Original price $269.99 USDOriginal price $269.99 USDCurrent price $169.99 USD$169.99 USD - $169.99 USDCurrent price $169.99 USD| /Save 37% Save % -
Original price $299.99 USDOriginal price $299.99 USD - Original price $299.99 USDOriginal price $299.99 USDCurrent price $179.99 USD$179.99 USD - $179.99 USDCurrent price $179.99 USD| /
Explore Scientific 68° 28mm Waterproof Eyepiece - 2"
ES-EPWP6828-011 in stockUsing advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full detailsOriginal price $299.99 USDOriginal price $299.99 USD - Original price $299.99 USDOriginal price $299.99 USDCurrent price $179.99 USD$179.99 USD - $179.99 USDCurrent price $179.99 USD| /Save 40% Save % -
Original price $419.99 USDOriginal price $419.99 USD - Original price $419.99 USDOriginal price $419.99 USDCurrent price $259.99 USD$259.99 USD - $259.99 USDCurrent price $259.99 USD| /
Explore Scientific 68° 34mm Waterproof Eyepiece - 2"
ES-EPWP6834-01Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full detailsOriginal price $419.99 USDOriginal price $419.99 USD - Original price $419.99 USDOriginal price $419.99 USDCurrent price $259.99 USD$259.99 USD - $259.99 USDCurrent price $259.99 USD| /Save 38% Save % -
Original price $519.99 USDOriginal price $519.99 USD - Original price $519.99 USDOriginal price $519.99 USDCurrent price $399.99 USD$399.99 USD - $399.99 USDCurrent price $399.99 USD| /
Explore Scientific 68° 40mm Waterproof Eyepiece - 2"
ES-EPWP6840-011 in stockUsing advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full detailsOriginal price $519.99 USDOriginal price $519.99 USD - Original price $519.99 USDOriginal price $519.99 USDCurrent price $399.99 USD$399.99 USD - $399.99 USDCurrent price $399.99 USD| /Save 23% Save % -
Original price $599.99 USDOriginal price $599.99 USD - Original price $599.99 USDOriginal price $599.99 USDCurrent price $499.99 USD$499.99 USD - $499.99 USDCurrent price $499.99 USD| /
Explore Scientific AR102 Doublet Refractor
ES-DAR102065-011 in stockThe Explore Scientific AR Air-Spaced Doublet Series telescopes are classic air-spaced, crown-and-flint, doublet achromatic f/6.5 refractors with a ...
View full detailsOriginal price $599.99 USDOriginal price $599.99 USD - Original price $599.99 USDOriginal price $599.99 USDCurrent price $499.99 USD$499.99 USD - $499.99 USDCurrent price $499.99 USD| /Save 17% Save % -
Original price $1,099.99 USD - Original price $1,099.99 USDOriginal price $1,099.99 USD$1,099.99 USD$1,099.99 USD - $1,099.99 USDCurrent price $1,099.99 USD| /
Explore Scientific ED102 Essential Series Triplet APO Refractor
ES-ED10207-02The Explore Scientific ED102 Essential Series Air-Spaced Triplet APO Refractor Telescope is a true apochromat refractor that reveals our Moon’s sta...
View full detailsOriginal price $1,099.99 USD - Original price $1,099.99 USDOriginal price $1,099.99 USD$1,099.99 USD$1,099.99 USD - $1,099.99 USDCurrent price $1,099.99 USD| / -
Original price $1,799.99 USDOriginal price $1,799.99 USD - Original price $1,799.99 USDOriginal price $1,799.99 USDCurrent price $1,699.99 USD$1,699.99 USD - $1,699.99 USDCurrent price $1,699.99 USD| /
Explore Scientific ED102-FCD100 Series Triplet APO Refractor
ES-FCD100-10207-01Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...
View full detailsOriginal price $1,799.99 USDOriginal price $1,799.99 USD - Original price $1,799.99 USDOriginal price $1,799.99 USDCurrent price $1,699.99 USD$1,699.99 USD - $1,699.99 USDCurrent price $1,699.99 USD| /Save 6% Save % -
Original price $2,249.99 USDOriginal price $2,249.99 USD - Original price $2,249.99 USDOriginal price $2,249.99 USDCurrent price $2,049.99 USD$2,049.99 USD - $2,049.99 USDCurrent price $2,049.99 USD| /
Explore Scientific ED102-FCD100 Series Triplet Telescope - Carbon Fiber
ES-FCD100-10207-CFThe Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Telescope in Carbon Fiber, has the advantages for astrophotographers and visual astro...
View full detailsOriginal price $2,249.99 USDOriginal price $2,249.99 USD - Original price $2,249.99 USDOriginal price $2,249.99 USDCurrent price $2,049.99 USD$2,049.99 USD - $2,049.99 USDCurrent price $2,049.99 USD| /Save 9% Save % -
Original price $1,799.99 USDOriginal price $1,799.99 USD - Original price $1,799.99 USDOriginal price $1,799.99 USDCurrent price $1,699.99 USD$1,699.99 USD - $1,699.99 USDCurrent price $1,699.99 USD| /
Explore Scientific ED127 Essential Series Triplet APO Refractor
ES-ED127075-03The Original Classic Explore Scientific ED127 Air-Spaced Triplet, Retooled for the Astrophotographer:
Original price $1,799.99 USDOriginal price $1,799.99 USD - Original price $1,799.99 USDOriginal price $1,799.99 USDCurrent price $1,699.99 USD$1,699.99 USD - $1,699.99 USDCurrent price $1,699.99 USD| /Save 6% Save % -
Original price $4,499.99 USDOriginal price $4,499.99 USD - Original price $4,499.99 USDOriginal price $4,499.99 USDCurrent price $2,999.99 USD$2,999.99 USD - $2,999.99 USDCurrent price $2,999.99 USD| /
Explore Scientific ED152 Triplet in Carbon Fiber
ES-TED15208CF-HEXDD3Serious amateur astronomers who choose apochromatic refractors know that generally once you start using an instrument larger than 127mm, that the l...
View full detailsOriginal price $4,499.99 USDOriginal price $4,499.99 USD - Original price $4,499.99 USDOriginal price $4,499.99 USDCurrent price $2,999.99 USD$2,999.99 USD - $2,999.99 USDCurrent price $2,999.99 USD| /Save 33% Save % -
Original price $799.99 USDOriginal price $799.99 USD - Original price $799.99 USDOriginal price $799.99 USDCurrent price $599.99 USD$599.99 USD - $599.99 USDCurrent price $599.99 USD| /
Explore Scientific ED80 Essential Series Triplet APO Refractor
ES-ED0806-021 in stockThe ED80 Essential Series Air-Spaced Triplet Refractor is a true apochromatic telescope that reveals celestial wonders like the desolate beauty of ...
View full detailsOriginal price $799.99 USDOriginal price $799.99 USD - Original price $799.99 USDOriginal price $799.99 USDCurrent price $599.99 USD$599.99 USD - $599.99 USDCurrent price $599.99 USD| /Save 25% Save % -
Original price $1,299.99 USDOriginal price $1,299.99 USD - Original price $1,299.99 USDOriginal price $1,299.99 USDCurrent price $999.99 USD$999.99 USD - $999.99 USDCurrent price $999.99 USD| /
Explore Scientific ED80-FCD100 Series Triplet APO Refractor
ES-FCD100-0806-01Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...
View full detailsOriginal price $1,299.99 USDOriginal price $1,299.99 USD - Original price $1,299.99 USDOriginal price $1,299.99 USDCurrent price $999.99 USD$999.99 USD - $999.99 USDCurrent price $999.99 USD| /Save 23% Save % -
Original price $2,999.99 USDOriginal price $2,999.99 USD - Original price $2,999.99 USDOriginal price $2,999.99 USDCurrent price $2,599.99 USD$2,599.99 USD - $2,599.99 USDCurrent price $2,599.99 USD| /
Explore Scientific FCD100 Series 127mm f/7.5 Triplet APO Refractor - Carbon Fiber with 2.5" HEX Focuser
ES-FCD100-127075-CFReveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...
View full detailsOriginal price $2,999.99 USDOriginal price $2,999.99 USD - Original price $2,999.99 USDOriginal price $2,999.99 USDCurrent price $2,599.99 USD$2,599.99 USD - $2,599.99 USDCurrent price $2,599.99 USD| /Save 13% Save % -
Original price $399.99 USDOriginal price $399.99 USD - Original price $399.99 USDOriginal price $399.99 USDCurrent price $319.99 USD$319.99 USD - $319.99 USDCurrent price $319.99 USD| /
Explore Scientific FirstLight 100mm Mak-Cassegrain with EQ3 Mount
ES-FL-MC1001400EQ36 in stockWhether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile FirstLight series has a...
View full detailsOriginal price $399.99 USDOriginal price $399.99 USD - Original price $399.99 USDOriginal price $399.99 USDCurrent price $319.99 USD$319.99 USD - $319.99 USDCurrent price $319.99 USD| /Save 20% Save % -
Original price $379.99 USDOriginal price $379.99 USD - Original price $379.99 USDOriginal price $379.99 USDCurrent price $329.99 USD$329.99 USD - $329.99 USDCurrent price $329.99 USD| /
Explore Scientific FirstLight 100mm Mak-Cassegrain with Twilight Nano Mount
ES-FL-MC1001400TN2 in stockWhether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile FirstLight series has a...
View full detailsOriginal price $379.99 USDOriginal price $379.99 USD - Original price $379.99 USDOriginal price $379.99 USDCurrent price $329.99 USD$329.99 USD - $329.99 USDCurrent price $329.99 USD| /Save 13% Save % -
Original price $379.99 USDOriginal price $379.99 USD - Original price $379.99 USDOriginal price $379.99 USDCurrent price $279.99 USD$279.99 USD - $279.99 USDCurrent price $279.99 USD| /
Explore Scientific FirstLight 102mm Doublet Refractor with EXOS EQ Nano Mount
ES-FL-AR1021000EQ3Whether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile FirstLight series has a...
View full detailsOriginal price $379.99 USDOriginal price $379.99 USD - Original price $379.99 USDOriginal price $379.99 USDCurrent price $279.99 USD$279.99 USD - $279.99 USDCurrent price $279.99 USD| /Save 26% Save % -
Original price $324.99 USDOriginal price $324.99 USD - Original price $324.99 USDOriginal price $324.99 USDCurrent price $249.99 USD$249.99 USD - $249.99 USDCurrent price $249.99 USD| /
Explore Scientific FirstLight 102mm Doublet Refractor with Twilight Nano Mount
ES-FL-AR102600TNWhether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile FirstLight series has a...
View full detailsOriginal price $324.99 USDOriginal price $324.99 USD - Original price $324.99 USDOriginal price $324.99 USDCurrent price $249.99 USD$249.99 USD - $249.99 USDCurrent price $249.99 USD| /Save 23% Save %