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Starizona HyperStar 9.25 v4
The HyperStar 9.25 lens converts a standard Celestron 9.25" SCT from f/10 to f/2.2, making the system 25 times faster. That means 25-times shorter exposures!
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Starizona HyperStar 9.25 v4
$1,199.00
Starizona HyperStar 8 v4
The HyperStar 8 lens converts a standard Celestron 8" SCT from f/10 to f/1.9, making the system 25 times faster. That means 25-times shorter exposures!
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Starizona HyperStar 8 v4
$999.00
Diffraction Limited RMA Boltwood II Thermopile / Rain Sensor
Replacement for the Boltwood II Thermopile / Rain Sensor disk – customer install.

Note: Works with Boltwood Cloud Sensor II with serial number 4000 and higher. Not compatible with serial numbers less than 4000.
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RMA Boltwood II Thermopile / Rain Sensor
$399.99
Celestron Celestron - CGX-L Tripod ONLY - 93483
Tripod ONLY for Celestron CGX-L.
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Celestron - CGX-L Tripod ONLY - 93483
$499.95
Explore Scientific Explore Scientific Dark-Sky Filter 77mm Slim
Universally applicable dark sky filter with 77mm filter thread for photo lenses. Particularly suitable for increasing contrast in aurora and deep-sky photography.
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Explore Scientific Dark-Sky Filter 77mm Slim
$149.99
Explore Scientific Explore Scientific 2" Variable Polarizing Filter
Universally applicable variable polarizing filter with 2 "filter thread . This variable polarizing filter allows continuous adjustment of image brightness . This is very helpful to strong contrast differences compensate individually to various observation
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Explore Scientific 2" Variable Polarizing Filter
$169.99
Explore Scientific Explore Scientific Nebula Filter H-Alpha 2-inch 7nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter H-Alpha 2-inch 7nm
$258.99
Explore Scientific Explore Scientific Nebula Filter H-Alpha 2-inch 12nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter H-Alpha 2-inch 12nm
$198.99
Explore Scientific Explore Scientific Nebula Filter S-II 2-inch 6.5nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter S-II 2-inch 6.5nm
$249.99
Explore Scientific Explore Scientific Nebula Filter S-II 2-inch 12nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter S-II 2-inch 12nm
$209.99
Explore Scientific Explore Scientific Nebula Filter Oxygen III 2-inch 6.5nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter Oxygen III 2-inch 6.5nm
$249.99
Explore Scientific Explore Scientific Nebula Filter H-Alpha 1.25-inch 7nm
The Explore Scientific H-Alpha filter uses the property of the so-called emission mist. These objects glow in certain colors, the so-called emission lines. The emission lines are linked to certain chemical elements - in this case the red glowing hydrogen.
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Explore Scientific Nebula Filter H-Alpha 1.25-inch 7nm
$174.99
Explore Scientific Explore Scientific Nebula Filter H-Alpha 1.25-inch 12nm
The Explore Scientific H-Alpha filter uses the property of the so-called emission mist. These objects glow in certain colors, the so-called emission lines. The emission lines are linked to certain chemical elements - in this case the red glowing hydrogen.
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Explore Scientific Nebula Filter H-Alpha 1.25-inch 12nm
$159.99
William Optics William Optics 3/8 Mounting Plate for Mortar TriPier (Ioptron)
William Optics 3/8 Mounting Plate for Mortar TriPier (Ioptron)
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William Optics 3/8 Mounting Plate for Mortar TriPier (Ioptron)
$113.00
Explore Scientific Explore Scientific Nebula Filter Oxygen III 1.25-inch 6.5nm
In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properl
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Explore Scientific Nebula Filter Oxygen III 1.25-inch 6.5nm
$159.99
Vanguard Vanguard VEO3 263AB Aluminum Tripod with VEO BH-160S Ball Head
Vanguard VEO3 263AB Tripod With BH-160S Ball
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Vanguard VEO3 263AB Aluminum Tripod with VEO BH-160S Ball Head
$249.99
Vanguard Vanguard 10x50 VEO ED Binoculars
The Vanguard 10x50 VEO ED Binoculars address the particular demands of hunters, birders, and outdoor enthusiasts by delivering bright high-contrast images with accurate true-to-life color and crisp clarity even when observing from long distances in low an
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Vanguard 10x50 VEO ED Binoculars
$249.99
Vanguard Vanguard 10x42 Veo HD Binoculars
The 10x42 Veo HD Binoculars from Vanguard Optics feature extra-low dispersion (ED) glass and BAK4 prisms that work together to virtually eliminate chromatic aberration, which produces images with true color fidelity across the entire wide apparent field o
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Vanguard 10x42 Veo HD Binoculars
$299.99
Vanguard Vanguard 8x42 VEO HD Binoculars
Vanguard built their 8x42 VEO HD Binoculars to address the particular demands of hunters, birders, and outdoor enthusiasts. They deliver bright high-contrast images with accurate, true-to-life color and crisp clarity, even when observing from long distanc
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Vanguard 8x42 VEO HD Binoculars
$299.99
Vanguard Vanguard 10x42 Endeavor ED Binoculars
The 10x42 Endeavor ED Binoculars from Vanguard offer an ergonomic, open-bridge design with a large, ridged, central focusing knob for less weight and greater comfort.
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Vanguard 10x42 Endeavor ED Binoculars
$299.99
Vanguard Vanguard 8x42 Endeavor ED Binoculars
The 8x42 Endeavor ED Binoculars from Vanguard offer an ergonomic, open-bridge design with a large, ridged, central focusing knob for less weight and greater comfort.
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Vanguard 8x42 Endeavor ED Binoculars
$299.99
Vanguard Vanguard VEO RANGE 32M BG MEDIUM MESSENGER CAMERA BAG (choose color)
The medium-sized Veo Range 32M Camera Messenger Bag in beige from Vanguard was designed to look like a regular bag, so you won't broadcast to the world that you're carrying expensive camera equipment.
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Vanguard VEO RANGE 32M BG MEDIUM MESSENGER CAMERA BAG (choose color)
$89.99
Vanguard VANGUARD VEO BH-160S DUAL-AXIS BALL HEAD
The Vanguard VEO BH-160S offers ultimate freedom of angular movement with its dual-axis action. Everyone from nature lovers to professional photographers to livestreaming social media influencers can get the shots they want at fine-tuned angles. Pair this
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VANGUARD VEO BH-160S DUAL-AXIS BALL HEAD
$119.99
DeJur DeJur D-1 RARE 35mm Film Camera, German DeJur Staeble-Kata 50mm f2.8 Lens with Case (Pre-owned)
The lens itself is in a great condition. No fungus, dust or scratches. It shows minimal use. Comes with a case which is also in good condition.
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DeJur D-1 RARE 35mm Film Camera, German DeJur Staeble-Kata 50mm f2.8 Lens with Case (Pre-owned)
$175.00