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Celestron is pleased to announce the new NexStar SE Telescope Series! In the tradition of Celestron's famous orange optical tubes, the new NexStar ...

  With a small size no larger than your hand, ASIAIR Mini is a vest-pocket member in the ASIAIR series. It's also the most cost-effective, yet the ...

    The FRA400 quintuplet astrograph has adopted modern optical design with a retractable dew shield, a 3" rack-and-gear-based high-precision redu...

The new version of the EAF no longer needs a 12v power supply. It will now be powered by only your 5v USB cable. Features: Highly integrated des...

With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telescope like an RC becomes a speedy f/...

The Antlia Triband RGB Ultra filter is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most su...

IDAS NBZ UHS(Ultra High Speed) versions The IDAS Nebula Booster 48mm Filter is designed to enhance the contrast of Ha (Hydrogen Alpha) and OIII (O...

ALP-T Dual Band 5nm Highspeed Filters # ALP-T-2-HS are further optimized to work with high-speed imaging systems by shifting slightly the passba...

50 mm apochromatic refractor with matched lens assembly with one ED element 242 mm focal length (f/4.8) 1.25” Helical focuser Finder stalk Vixen-s...

The Sky-Watcher SolarQuest solar tracking mount is lightweight and ridiculously easy to use. No need to worry about aligning your equipment the ni...

Starizona's variable M48 adapters available in three sizes.     Available Sizes: 15mm - 20mm 20mm - 30mm 30mm - 45mm

130mm aperture for bright, bold views  Fast f/5 optics for increased light gathering power  650mm focal length perfect for viewing the Moon, plan...

Starizona's SCT Corrector has been an incredibly popular focal reducer and coma corrector, giving astrophotographers with standard Schmidt-Cassegr...

Turn your Newtonian telescope into a fast, high-quality astrographic instrument with the Starizona Nexus focal reducer.Newtonian telescopes require...

EvoFF v2 available now! The new Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, portable, wide-field imaging scope. ...

This bracket provides a solid, easy attachment of the ZWO EAF autofocus motor to a Skywatcher Quattro Newtonian focuser.  There are two versions of...

This machined aluminum bracket is designed to allow mounting of the ZWO EAF focus motor to the SkyWatcher Esprit line of refractors.  Mounting hard...

Once installed (see instructions at bottom), the actions appear in the Actions palette in Photoshop and a selected action may be “played” by simply...

The Starizona RASA 8 Filter Holder allows you to use 2" filters with the Celestron RASA 8" telescope with cameras that are not compatible with a F...

This wide M48-threaded T-ring will fit Canon RF-mount mirrorless cameras.  It is a "T-minus" style ring that is only 10mm thick.  This allows it to...

Starizona's variable M42 T-Thread adapters available in three sizes.     Available Sizes: 15mm - 20mm 20mm - 30mm 30mm - 45mm