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Celestron Ultima Edge 15mm Eyepiece - 1.25" See the whole picture with Ultima Edge. These flat-field eyepieces were designed to provide an ultra-s...

Celestron Ultima Edge 10mm Eyepiece - 1.25" See the whole picture with Ultima Edge. These flat-field eyepieces were designed to provide an ultra-...

Daystar 22.4Ah Battery Pack for Quark The Daystar 22.4Ah Battery Pack for Quark is a 5V, 22 Amp hour battery pack with a solar panel attached. It c...

Daystar 2"/1.25" Male Snout Pack Adapt your Camera Quark or Scout to a telescope with the Daystar 2"/1.25" Male Snout Pack.

Chroma LRGB Individual Filters You have the option to buy Chroma LRGB filters individually. The Lum, Red, Green & Blue filters are also availab...

Chroma LoGlow Light Pollution Filter The Chroma LoGlow Light Pollution Filter blocks common spectral lines from lighting sources. This filter provi...

Chroma HaLRGB Filter Set The Chroma HaLRGB Filter Set includes five individual filters: 8nm H-alpha, luminance, red, green and blue. They are avail...

Chroma Clear Filter The Chroma Clear Filter has an average transmission greater or equal to 97% across the 380-1000nm range. Chroma Technology is a...

Chroma Bessel UBVRI Individual Filters The Chroma Bessel UBVRI Filters are made for photometric imaging in five different bandpass. They are availa...

Celestron TrailSeeker ED 8x42 The TrailSeeker ED 8x42mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hunte...

Celestron TrailSeeker ED 8x32 The TrailSeeker ED 8x32mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hunt...

Chroma Bessel UBVRI Filter Set U-Bessel: UV photometric filter in UVBRI seriesV-Bessel: Green (Visible) photometric filter in UVBRI seriesB-Bessel:...

Celestron TrailSeeker ED 10x42 The TrailSeeker ED 10x42mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hunt...

Celestron TrailSeeker ED 10x32 The TrailSeeker ED 10x32mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hu...

Celestron TrailSeeker 8x42 The TrailSeeker 8x42mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hunters, and...

Celestron TrailSeeker 10x42 The TrailSeeker 10x42mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hunters, a...

Celestron Thermistor for Smart DewHeater Controllers Take the guesswork out of using third-party heating bands or straps and increase your power ef...

Chroma 8nm SII Filter The Chroma 8nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Celestron T-Adapter for Nexstar 4SE, C90 & C130 Mak This sturdy aluminum Celestron T-Adapter for Nexstar 4SE, C90 & C130 Maks is the access...

Chroma 8nm OIII Filter The Chroma 8nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Celestron Stereo Binocular Viewer Add the Celestron Stereo Binocular Viewer to your repertoire and enjoy celestial views with more contrast and imp...

Chroma 8nm H-alpha Filter The Chroma 8nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

Celestron Starsense Hand Control USB StarSense Hand Control is compatible with the StarSense AutoAlign accessory for use with Celestron computeriz...

Chroma 5nm H-beta Filter H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter...

Chroma 3nm H-Beta Filter H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter...

Chroma 5nm SII Filter The Chroma 5nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Celestron Regal ED 8x42 Regal ED Flat Field Binoculars build on the success of Celestron’s customer-favorite Regal ED spotting scope line. With bot...

Celestron Regal ED 10x42 Regal ED Flat Field Binoculars build on the success of Celestron’s customer-favorite Regal ED spotting scope line. With bo...

Celestron Reducer Lens .7x - EdgeHD 1400 Celestron’s new EdgeHD 1400 Reducer Lens .7x  feature a custom 5 element optical design engineered to main...

Celestron Reducer Lens .7x - EdgeHD 1100 Celestron’s EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-fiel...

Celestron Polar finderscope - CGX & CGX-L The optional Polar Axis Finderscope for the CGX series provides an easy, straightforward way to polar...

Celestron Polar finderscope - CG-4 Get some help polar aligning your Celestron Omni or CG-4 mount with the addition of the Polar Axis Finder. Insta...

Celestron Outland X 8x42 See the outdoors in a whole new way!Celestron's mid-size Outland Series was designed to meet the needs of every outdoor en...

Celestron Outland X 8x25 See the outdoors in a whole new way!Celestron's compact Outland binoculars were designed to meet the needs of every outdoo...

Celestron Outland X 10x50 Celestron's Outland X Series are fully loaded with advanced features essential for field use offered at a budget-friendly...

Celestron Outland X 10x42 See the outdoors in a whole new way!Celestron's mid-size Outland Series was designed to meet the needs of every outdoor e...