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Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducin...

Designed exclusively for the Askar 131F, this 0.74× reducer reduces the 131F focal ratio to F5.6, unlocking more potential for your imaging possibi...

Self-flattened quadruplet Astrograph which can be used for visual observing and astrophotography. The Askar 131F is a large-aperture telescope des...

Works with ZWO Cameras and ZWO ASIair Works on Celestron Mounts and Products 2.1x5.5 Male Connector Center positive 4ft long cord with 6ft exten...

Made from anodized aluminum.

Common T-rings use M42 threads and are not compatible with equipment that uses larger M48 threads.  Use this anodized aluminum T-ring to connect a ...

Helps to obtain the correct backfocus for your viewing needs. Made for use with 2-inch (50.8mm) telescope eyepieces with M48 mounted filter threads...

Designed for cleaning CCD, CMOS sensors, or any sensitive surface.  This kit includes:  6x SensorSwab ULTRA Cleaning Swab 1xEclipse Optic Cleaning...

Be prepared for wherever adventure leads with the National Geographic LED Rechargeable Trek-Light that can illuminate your path at distances up to ...

Upgrade your SQA-series telescope with this precision-machined metal extension kit from Askar. Engineered for compatibility with models lik...

Upgrade your Schmidt-Cassegrain or Maksutov-Cassegrain telescope to accept standard 2" accessories. The internal threads create a secure connection...

  T-Adapter for 9.25, 11 & 14” EdgeHD optical tubes. It threads onto the rear cell This T-Adapter allows you to attach your 35 mm DSLR camera...

Concept: Just as Delos eyepieces were developed based on Tele Vue's Ethos eyepiece design advancements, DeLite is the logical step toward a smaller...

Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro n...

In astrography, Nikon, Canon, Sony mirrorless cameras have been used more and more frequently by astronomy amateurs in recent years. Therefore, on ...

In astrography, Nikon, Canon, Sony mirrorless cameras have been used more and more frequently by astronomy amateurs in recent years. Therefore, on ...

The 0.8x reducer can bring Askar 185APO's focal ratio down to F5.6. This is a standard reducer with field flattening capabilities as well. A shor...

40x to 600x magnification, up to 2400x with digital zoom 4.3" LCD touchscreen 5MP CMOS built-in digital camera 5 fully achromatic objective lense...

The largest aperture scope in the Ultima line, the 100mm Ultima offers more than 50% brighter images than the 80mm, allowing for better performanc...

Eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is departure p...

This adapter ring will convert a standard HyperStar C14 into an HD version to work on an EdgeHD telescope.  It simply threads into the existing...

0.92x Field Flattener / Reducer for all APOs 2 Glass Elements ED 55mm Back Focus, adjustable T2 AP85 to 469mm f/5.5 AP95 to 529mm f/5.5 AP106 to 64...