Black friday overstock promo 2025

Starfield Horizon Series 70mm Refractor   Start your astronomy journey with the Horizon series 70mm telescope. Optical Quality - 700mm focal lengt...

William Optics Pleiades 68 APO F/3.8 WIFD Pleiades 68, 7-element imaging APO, F/3.8 WIFD. Comes with soft carry bag, dovetail, handle bar, M48 and ...

Player One LRGB Filter S-series Player One S-series filter using high quality optical glass substrate and multi-layer composite coating technology,...

Player One 7nm SHO Narrowband Filters 2" This is a New Product - Please note that further information will come soon.  Multilayer composite coating...

Apex ED 0.65x Reducer / Flattener With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telesc...

NightWatch from Terence Dickinson Revised Fourth Edition: updated for use through 2025. The first three editions of NightWatch sold more than 600,0...

Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX 34mm fully illuminated field, compatible with both APS-C and full frame sensors 89mm back-f...

APM MS 16x70 ED Binoculars If you want to observe small objects or targets that are far away, you need an increased magnification. Our MS 16x70 mod...

Vaonis Vespera II - X Edition The Collector’s Smart Telescope Vespera II — X Edition reveals the architecture that makes it the most reliable smart...

Vaonis Hestia Ultimate Smartphone Based Telescope This is an Open Box and it is in EXCELLENT CONDITION! Meet Hestia, the first ever smartphone-ba...

APM Red Dot Finder APM Red Dot Finder for Telescopes and the new APM100ED Binocular, incl. Findershoe. The APM Red Dot Finder (100ED-SUCHER) is...

Askar Focal Plane Adjuster (Tilter)     In daily astrophotography, users often experience unsatisfactory image results due to the...

Pegasus NYX-101 Harmonic Gear Mount Nyx, the ancient Greek goddess of the night, enlightened us to design and produce a high-performing, high paylo...

Antlia U-Venus Imaging Filter - 1.25'' Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a...

Antlia New Solar Discover 3nm CaK filter Telescope-side connection is 1.25" and 2" Camera side connection is 2" with ring clamp Transmission at 3...

Antlia New Solar Discover 5Å CaK filter (SD-CAK5) The Antlia Solar Discover 5Å CaK assembly incorporates a set of light-reducing filters to reduce ...

Antlia NEW Solar Discover Dualband（Ha, CaK and CaH) - Standard The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both ...

ZWO ASI6200MC Pro Color Cooled The ZWO ASI6200MC Pro Color uses Sony’s latest back-illuminated IMX455 Full Frame format native 16-bit ADC sensor. I...

ZWO ASI183MC Pro Color Camera Open Box New! Never used! All Pro cameras (with cooler) need to be connected to an external 11-14v power supply to im...

SharpStar NEW 130mm f/2.8 HNT-AL Hyperbolic Newtonian Astrograph Hyperbolic Newtonian reflector with 130mm aperture and a very fast F2.8 focal ra...

SharpStar Z4 APO Astrograph OPEN BOX LIKE NEW! OUR DEMO According to the users’ and market demands, Sharpstar has newly launched an integrated as...

Askar FRA400C 72mm f/5.6 Quintuplet ED APO The refreshed, budget-friendly iteration of FRA400, is suitable for astrophotography, daily photography,...

Takahashi Epsilon ε-180ED Astrograph f/2.8 The Epsilon series of astrographs are specifically designed for exceptional astrophotography.  Takahashi...

Celestron 2" Oxygen III Narrowband Filter The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emi...

SVBONY 90mm F/8.9 Refractor Kit with Star Finder Smartphone Support Clear Imaging: 90mm large aperture, collecting about 65% more light than othe...

SVBONY Upgraded SV202 8x32 ED Binoculars (W9310A) Advanced ED Optical System; Features extra-low dispersion (ED) glass for exceptional resolution...

Starfield ED80 F/7 560mm APO Doublet Refractor  The All new Starfield Optics ED80 APO doublet telescope package packs a punch!This telescop...