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JUPITER Series 8x40 Binoculars Full sized binoculars that provide a bright and clear view, with a functional exterior designoptimizing ease of use...

IDAS Full Spectrum (Clear) AR-coated Full Spectrum AR-coated filter Par-focal with all IDAS 48mm and 52mm, except QRO Series IDAS is a trademark o...

Optec FocusLynx Hand Control The Focus Lynx Hand Control provides an easy, vibration-free method of focusing the telescope when using the FocusL...

Pentax SMC XF Zoom 6.5-19.5mm PENTAX XF eyepieces offer high-refraction, low-dispersion lanthanum glass elements to provide high-resolution images ...

Pentax SMC XL Zoom Eyepiece 8-24mm The Pentax SMC XL Zoom 8-24mm features an apparent field of view of 38 to 60 degrees, and an eye relief of 20mm....

Lunt 1.25" Adapter for Blocking Filters The Lunt 1.25" Adapter for Blocking Filters allows the use of a Lunt 2″ blocking filter in a 1.25″ focuser ...

Lunt 27mm Flat-Field Eyepiece Significantly, Lunt 27mm flat-field eyepiece for solar telescopes are coated with 0.1% anti-reflective coatings. Nota...

Lunt 19mm Flat-Field Eyepiece Significantly, Lunt 19mm flat-field eyepiece for solar telescopes are coated with 0.1% anti-reflective coatings. Nota...

Lunt 16mm Flat-Field Eyepiece Significantly, Lunt 16mm flat-field eyepiece for solar telescopes are coated with 0.1% anti-reflective coatings. Nota...

Pegasus Astro Environmental Sensor for UPB & PPB The Pegasus Astro Environmental Sensor for UPB & PPB is an external temperature & rela...

Pentax AD 10x30 WP Binoculars Full-size performance in a compact-sized body. All A Series binoculars offer you impeccable viewing quality in a co...

Pentax AD 8x30 WP Binoculars Full-size performance in a compact-sized body. All A Series binoculars offer you impeccable viewing quality in a com...

Celestron Camera Adapter For Canon Mirrorless If you’d like to use your Canon mirrorless camera with the 8” RASA, this adapter is a must-have acces...

Farpoint D Series 90mm Dovetail Rings Safely attach telescope optical accessories with Farpoint D Series 90mm Dovetail Rings. In the Box Includes ...

Farpoint D Series 160mm Dovetail Rings Safely attach telescope optical accessories with Farpoint D Series 160mm Dovetail Rings. In the Box Include...

Farpoint D Series 125mm Dovetail Rings Safely attach telescope optical accessories with Farpoint D Series 125mm Dovetail Rings. In the Box Includ...

SBIG® STC-428-M CMOS Camera STC-428-M provides extremely high sensitivity, low noise 7-megapixel imaging in a compact package. The STC-428-M featur...

SBIG STC-7 CMOS Camera SBIG STC-7 Scientific CMOS Imaging Camera with built-in filter wheel.  This is a complete imaging package – just add telesco...

SBIG Aluma AC2020BSI CMOS Camera Extreme sensitivity back-illuminated Scientific CMOS camera.  4 megapixel sensor with 6.5 micron pixels, Adaptive ...

SBIG 12VDC Extension Cable The SBIG 12VDC Extension Cable is an heavy Duty 12VDC Power Extension Cable with locking connectors for all STF and STT ...

SBIG Aluma AC4040 CMOS Camera (the most popular) SBIG most popular camera, the SBIG Aluma AC4040 is a large format Scientific CMOS camera, featurin...

ZWO Off-Axis Guider-L-68 OAG-L has a large prism size of 12*12mm, far bigger than M68 OAG. The bigger clear aperture brings wider field of view in ...

ZWO EFW 7x50mm Square Filter Wheel  The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed!   Ad...

Lunt 12mm Flat-Field Eyepiece The Lunt 12mm Flat-Field Eyepiece for solar telescopes is coated with 0.1% anti-reflective coatings. Lunt flat-field...

Chroma Jovian Methane Filter The Chroma Jovian Methane Filter is a methane absorption band filter. This filter enhances contrast when imaging objec...

Chroma 5nm OIII Filter The Chroma 5nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Celestron Camera Adapter For Sony Mirrorless Mirrorless cameras are spreading like wildfire in the astroimaging community—and for good reason. When...

Celestron 2" Mirror Diagonal for SCT There are few telescope accessories that work as hard or matter as much as a diagonal! An integral part of the...