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45-Degree Erect Image Diagonal - 1.25"
Celestron$51.95A great accessory for daytime terrestrial viewing with your telescope This 1.25” diagonal produces right side up and left-to-right correct images...
View full details$51.95 -
4x Powermate
TeleVue$350.00Powermate Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. The simple negative element Barl...
View full details$350.00 -
5.5mm 100° Series Argon-Purged
Explore Scientific$549.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...
View full details$549.99 -
50 Things to See on the Moon: A first-time stargazer's guide book
Formac$16.95The moon is our nearest neighbor in space, it's easy to find, it's bright, and you don't have to go anywhere special to view it. Astronomer John A....
View full details$16.95 -
In Stock
50.8mm Unmounted Filter Holder to 48mm
Starizona$29.99This adapter enables you to mount your unmounted 50.8mm filters to 48mm threads. This mount will allow you to use unmounted 50.8mm filters with Sta...
View full details$29.99In Stock -
55mm Plossl
TeleVue$256.00Since Tele Vue introduced their Plössls in 1980, they have won praise and patents, including a patent in Japan. Tele Vue Plössls, designed by Al Na...
View full details$256.00 -
5mm Nagler - Type 6
Tele Vue$335.00The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Na...
View full details$335.00 -
5x Powermate
TeleVue$229.00Powermate Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. The simple negative element Barl...
View full details$229.00 -
6.7mm 82° Series Argon-Purged
Explore Scientific$229.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$229.99 -
60º Everbrite Diagonal - 1.25''
TeleVue$322.00This is an entirely new angle for TeleVue! It's a real breakthrough for birding and terrestrial viewing; the perfect combination of comfort and per...
View full details$322.00 -
In Stock
6mm Delos
TeleVue$387.00Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...
View full details$387.00In Stock -
6mm Ethos
TeleVue$618.00The Televue 6mm Ethos eyepiece provides a 100° apparent field for a true "spacewalk" view of the night sky. Distortion correction, high contrast an...
View full details$618.00 -
7mm Nagler - Type 6
Tele Vue$335.00The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Na...
View full details$335.00 -
7x50mm Square Filter Wheel
ZWO$599.00Description The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the qu...
View full details$599.00 -
8-Inch Dovetail Bar (CGE)
Celestron$45.95Dovetail for mounting a Celestron 8" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera. Plea...
View full details$45.95 -
8.8mm 82° Series Argon-Purged
Explore Scientific$229.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$229.99 -
8mm Delos
TeleVue$387.00Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...
View full details$387.00 -
8mm Ethos
TeleVue$618.00The Televue 8mm Ethos eyepiece provides a 100° apparent field for a true "spacewalk" view of the night sky. Distortion correction, high contrast an...
View full details$618.00 -
8” Rowe-Ackermann Schmidt Astrograph (RASA 8) Optical Tube Assembly with CGE Dovetail
Celestron$2,079.00Flat field free of optical aberrations like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor. Unlike the ...
View full details$2,079.00 -
9.25-Inch Dovetail Bar (CGE)
Celestron$56.95Dovetail for mounting a Celestron 9.25" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.
$56.95 -
9mm 100° Series Argon-Purged
Explore Scientific$579.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...
View full details$579.99 -
9mm 120° Series Argon-Purged
Explore Scientific$999.999mm Focal Length 120° Apparent Field 13mm Eye Relief Argon-Purged Waterproof EMD Coatings 2" Barrel
$999.99