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Celestron Celestron TrailSeeker ED 10x50 - Model 71408
TrailSeeker ED 10x50 - Model 71408
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Celestron TrailSeeker ED 10x50 - Model 71408
$439.95
Celestron Celestron Labs Digital Wi-Fi Microscope Imager - Model 44429
Celestron Labs Digital Wi-Fi Microscope Imager - Model 44429
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Celestron Labs Digital Wi-Fi Microscope Imager - Model 44429
$149.95
NASA Jr. Astronaut Suit with Embroidered Cap, Apollo (White, ,2/3)
NASA Jr. Astronaut Suit with Embroidered Cap, Apollo (White, ,2/3)
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NASA Jr. Astronaut Suit with Embroidered Cap, Apollo (White, ,2/3)
$59.99
Optolong Optolong SII 3nm CCD Filter
Optolong Optolong SII 3nm CCD Filter
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Optolong SII 3nm CCD Filter
$460.00
Optolong Optolong OIII 18nm Filter
Designed for nebula observation allowing 18nm bandwidth of light centered on a wavelength of 500nm through
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Optolong OIII 18nm Filter
$87.00
Optolong Optolong 3 Filter Set H-Alpha, SII, & OIII
SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters
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Optolong 3 Filter Set H-Alpha, SII, & OIII
$509.00
William Optics William Optics Ultra-Cat 131
Designed for serious astrophotographers and observatories alike, the Ultra-Cat 131 combines a fast focal ratio with uncompromising optical precision, enabling stunning deep-sky detail, rich contrast, and immersive wide-field compositions.
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William Optics Ultra-Cat 131
$5,398.00
Optolong Optolong SII 6.5nm Filter
Optolong Optolong SII 6.5nm Filter
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Optolong SII 6.5nm Filter
$249.00
Optolong Optolong UV-IR Cut Filter
Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are designed for the visible spectrum
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Optolong UV-IR Cut Filter
$49.00
Optolong Optolong SHO-3nm Narrowband Filter Kit
Optolong SHO-3nm filter kit includes SII3nm, H-Alpha3nm, and OIII3nm narrow band filters
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Optolong SHO-3nm Narrowband Filter Kit
$1,319.00
Optolong Optolong L-eXtreme Dual Band 7nm HA/OIII Filter
L-eXtreme filter is dual band that passes Ha and OIII emission lines.
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Optolong L-eXtreme Dual Band 7nm HA/OIII Filter
$329.00
Optolong Optolong OIII 6.5nm Filter
Designed for Nebula Observation
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Optolong OIII 6.5nm Filter
$249.00
Optolong Optolong Venus U Filter
Venus-U filter makes it possible to obtain photographs, CCD or video images in the UV-A (320-400nm) and observe Venus’ cloud structures.
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Optolong Venus U Filter
$192.00
Optolong Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII
Opotlong 7 Filter LRGB SHO Filter set
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Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII
$732.00
Optolong Optolong Clear Focusing Filter
Optolong Clear focusing filter is designed to highly pass the visible spectral region 420-680nm at 98.5% transmission
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Optolong Clear Focusing Filter
$33.00
iOptron iOptron HEM27 EQ Strain Wave Hybrid Mount with iPolar (OPEN BOX - FULL WARRANTY)
iOptron’s revolutionary hybrid strain wave drive mount
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iOptron HEM27 EQ Strain Wave Hybrid Mount with iPolar (OPEN BOX - FULL WARRANTY)
$1,995.00
Sigma Sigma 35mm F1.4 DG II Art
Powerful, portable, and optically refined—the 35mm F1.4 DG II Art delivers professional-grade performance in a beautifully balanced everyday prime.
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Sigma 35mm F1.4 DG II Art
$1,059.00
ZWO ZWO Helical Focuser 1.25" - ZWO-HF1.25" (OPEN BOX )
ZWO ZWO Helical Focuser 1.25" - ZWO-HF1.25" (OPEN BOX )
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ZWO Helical Focuser 1.25" - ZWO-HF1.25" (OPEN BOX )
$55.00
Phototherm Sidekick Film Processor AF-SPL 4 Roll Spindle
Phototherm Sidekick Film Processor AF-SPL 4 Roll Spindle
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Phototherm Sidekick Film Processor AF-SPL 4 Roll Spindle
$150.00
Spike-a Metal Bahtinov Mask for 8" SCT's (Pre-Owned)
Spike-a Metal Bahtinov Mask for 8" SCT's (Pre-Owned)
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Spike-a Metal Bahtinov Mask for 8" SCT's (Pre-Owned)
$35.00
Celestron Celestron Vintage 2X Barlow 1.25" Fully Multi-Coated JAPAN #93510
Celestron Vintage 2X Barlow 1.25" Fully Multi-Coated JAPAN #93510
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Celestron Vintage 2X Barlow 1.25" Fully Multi-Coated JAPAN #93510
$79.00
Planisphere 11 Inch
Ken Press Planisphere 11 Inch
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Planisphere 11 Inch
$17.95
Unbranded Unbranded 15mm Plossl (Pre-owned)
Unbranded 15mm Plossl (Pre-owned)
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Unbranded 15mm Plossl (Pre-owned)
$29.95
Orion Mars Filter 1.25
Orion Orion Mars Filter 1.25
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Orion Mars Filter 1.25
$59.95