Sales
Filters
Askar 52mm f/4 Guide Scope - Black
Used, in good condition. Comes in original packaging.
Astrodon H-alpha Filter - 5nm
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 detailsAstrodon SII Filter - 5nm
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 detailsBaader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)
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 detailsBaader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)
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 detailsBaader CCD LRGB 31mm Unmounted Filter Set (OPEN BOX)
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 detailsBaader T-Ring Nikon - T-2 - Used
Like new! Baader T-Ring to connect Nikon DSLR cameras onto the Astro T-2 system Results in the standard exact distance of 55.0mm from the front fac...
View full detailsCelestron Nexstar 4SE Computerized Telescope
102mm (4.02") Maksutov-Cassegrain Optical Tube 1325mm Focal Length (f/13) Computerized GoTo Mount with 38,181 Object Database StarBright XLT Optic...
View full detailsCelestron Nexstar 5SE Computerized Telescope
125mm (4.92") Schmidt-Cassegrain Optical Tube Computerized GoTo Single Fork Arm Alt-Azimuth Mount NexStar+ Hand Control with a 38,181 Object Datab...
View full detailsCelestron Nexstar 6SE Computerized Telescope
150mm (5.91") Schmidt-Cassegrain Optical Tube f/10 Focal Ratio with 1500mm Focal Length StarBright XLT Optical Coatings Computerized Single Fork A...
View full detailsCelestron Nexstar 6SE kit with lots of accessories - Used
This used kit comes with: Nexstar 6SE telescope, mount and tripod Celestron Padded carrying case Celestron 2" Dieletric diagonal with twist lock C...
View full detailsCelestron Nexstar 8SE Computerized Telescope
8" (203.2mm) Schmidt-Cassegrain Optical Tube f/10 Focal Ratio with 2032mm Focal Length Starbright XLT Optical Coatings for Maximum Light Transmiss...
View full detailsCelestron Off-Axis Guider -Used
In good condition. Adapters show sign of use. Comes with all original adapters and in the original box. Features Most accurate way to guide – im...
View full detailsCelestron PowerTank Lithium - Used
Like new!Features Portable power pack for your computerized Celestron telescope using Lithium-Iron Phosphate (LiFePO4) chemistry Powers your telesc...
View full detailsCelestron T-Ring for Canon EOS Camera - Used
In fair conditionFeatures This Celestron T-Ring attaches to Canon EOS DSLR and SLR camera bodies Sturdy bayonet flange locks in place just like a l...
View full detailsCelestron X-Cel LX 9 mm - 1.25" - Used
Like new!Features X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens syst...
View full detailsCoronado SolarMax II 60mm Solar H-alpha Telescope with BF10 - Used
In good condition, comes with BF10, one CEMAX 25mm eyepiece, and the original hard case. Does not come with tripod in image. <0.7 Angstroms
Explore Scientific 10-inch Dobsonian Reflector Telescope - Open Box
This telescope is a return, being returned due to its size. It was assembled, the client found it too big, then disassembled and returned. Designe...
View full detailsExplore Scientific ED127 Triplet APO f/7.5 with accessories - USED
ED127 telescope (good condition) 3" 0.7x reducer from Explore Scientific (brand new) 2" Field flattener from Explore Scientific (good condition) 6...
View full detailsLunt 40mm Solar Telescope
The Lunt LS40Tha is a dedicated hydrogen-alpha solar telescope that provides exceptional resolution and contrast for solar observation and imaging...
View full detailsMoon Map Poster - 24" x 36"
Every astronomer should have at his disposition a detailed map of our only natural satellite: the Moon. Our map is based on thousands of images ...
View full detailsOptec Flip-Flat Motorized Flat Panel
In good condition. Comes with original packaging Works with OTA dew shields up to 7-5/8" (194mm) Illumination up to 170mm
Optolong L-Enhance Filter
Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and monochrome CCD cameras. The convenienc...
View full detailsOptolong L-Extreme + L-Synergy L2 Dual-Combo Filter Set - 2"
L2 Dual-Combo Filter Set (L-eXtreme + L-Synergy) The L2 Dual-Combo Set includes two premium dual-narrowband filters engineered to unlock...
View full details