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Zeikos Zeikos Professional HD 0.43X Super Wide Fisheye Lens
This is a 0.43x super wide fisheye lens compatible with 52/55/58/62/67/72mm lenses.
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Zeikos Professional HD 0.43X Super Wide Fisheye Lens
$69.99
Thousand Oaks Optical Thousand Oaks Digital Controller (Pre-owned)
Thousand Oaks Digital Controller (Pre-owned)
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Thousand Oaks Digital Controller (Pre-owned)
$75.00
PrimaLuceLab PrimaluceLab 60mm Compact Guidescope with PLUS 80mm guide rings - PLLCG60
A perfect guide scope with 60mm diameter and 240mm focal length (f/4) achromatic lens, non rotative 31.8mm helical focuser and 80mm PLUS guide rings.
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PrimaluceLab 60mm Compact Guidescope with PLUS 80mm guide rings - PLLCG60
$249.00
Sky Atlas 2000 Deluxe Laminated Version
Sky Atlas 2000 Deluxe Laminated Version
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Sky Atlas 2000 Deluxe Laminated Version
$119.95
Wil Tirion's Bright Star Atlas 2000.0 - Paperback Book (Pre-owned)
Wil Tirion's Bright Star Atlas 2000.0 - Paperback Book
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Wil Tirion's Bright Star Atlas 2000.0 - Paperback Book (Pre-owned)
$11.85
Nikon Nikon Courier Bag (Black) #17007
Nikon Courier Bag (Black) #17007
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Nikon Courier Bag (Black) #17007
$89.95
Optolong Optolong SII 3nm CCD Filter
Optolong SII 3nm CCD Filter
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Optolong SII 3nm CCD Filter
$460.00
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 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 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 L-Ultimate Light Pollution Dual Band Filter
The Optolong L-Ultimate is Optolong's newest and NARROWEST dual-band filter
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Optolong L-Ultimate Light Pollution Dual Band Filter
$419.00
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 CLS Filter
The CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.
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Optolong CLS Filter
$55.00
Optolong Optolong OIII CCD 3nm Filter
Extra narrowband filter, allow a 3nm bandwidth of light, centered on a 500nm wavelength
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Optolong OIII CCD 3nm Filter
$460.00
Sigma Sigma 17-40mm F1.8 DC Art
Professional-grade optical performance for advanced photographers ready to step beyond kit and mid-tier zooms
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Sigma 17-40mm F1.8 DC Art
$919.00
Front Polarscope Port Cover for Celestron CG4 Type Mount and similar (35mm Inner Diameter) (LIMITED QUANTITIES!)
Replacement front Port Cover for CG-4 Type Mounts and similar
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Front Polarscope Port Cover for Celestron CG4 Type Mount and similar (35mm Inner Diameter) (LIMITED QUANTITIES!)
$14.99
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
Arcturus Arcturus Telrad Dew Shield (LIMITED QUANTITIES)
Pre-owned Arcturus Telrad Dew Shield - Limited Quantities!
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Arcturus Telrad Dew Shield (LIMITED QUANTITIES)
$20.00
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
Unbranded H12mm 1.25 Eyepiece (Pre-owned)
Unbranded H12mm 1.25 Eyepiece (Pre-owned)
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Unbranded H12mm 1.25 Eyepiece (Pre-owned)
$19.00
Stabilizer bar Assembly for most EQ2 Equatorial Mounts (Pre-owned)
Stabilizer bar Assembly for most EQ2 Equatorial Mounts (Pre-owned)
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Stabilizer bar Assembly for most EQ2 Equatorial Mounts (Pre-owned)
$29.00
The Argus 35mm Guide and Reference Book by Kenneth Tydings 1954 (Pre-Owned)
This book is a guide and reference book for Argus 35mm cameras.
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The Argus 35mm Guide and Reference Book by Kenneth Tydings 1954 (Pre-Owned)
$8.99