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William Optics William Optics 2" → 1.25" RotoLock Visual Back Adapter
RotoLock 1.25 reducer for William Optics telescopes
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William Optics 2" → 1.25" RotoLock Visual Back Adapter
$58.00
Unbranded 4 Inch Vixen Style Dovetail Bar with Center Threaded Screw (Pre-Owned)
Secure and stable mounting solution for small optical tubes or accessories!
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4 Inch Vixen Style Dovetail Bar with Center Threaded Screw (Pre-Owned)
$29.99
William Optics William Optics Cat Eyes 2x42 Binoculars
Lightweight, widefield binoculars for stargazing.
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William Optics Cat Eyes 2x42 Binoculars
$198.00
William Optics William Optics GuideStar 61 APO Telescope
A lightweight doublet APO useful for imaging and guiding alike.
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William Optics GuideStar 61 APO Telescope
$438.00
William Optics William Optics 50mm Guiding Scope w/ 1.25" RotoLock Focuser
50mm Guide Scope available in black or space gray
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William Optics 50mm Guiding Scope w/ 1.25" RotoLock Focuser
$178.00
William Optics William Optics Fluorostar 91 with 3.3" Rack & Pinion Focuser - SPACE GRAY
A Gorgeous Triplet Apochromatic Prime Lens
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William Optics Fluorostar 91 with 3.3" Rack & Pinion Focuser - SPACE GRAY
$2,198.00
William Optics Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series
A Triplet Apochromatic Prime Lens with Internal Focuser
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Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series
$2,198.00
Unbranded H12.5mm .965 Eyepiece (Pre-owned)
Unbranded H12.5mm .965 Eyepiece (Pre-owned)
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Unbranded H12.5mm .965 Eyepiece (Pre-owned)
$19.00
Pegasus Astro Pegasus FlatMaster 250L Wi-Fi Version
Provides a uniform source of illumination for up to 10-inch telescopes
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Pegasus FlatMaster 250L Wi-Fi Version
$460.10
PhotoTherm Phototherm Super Sidekick 4 Roll Development Tank - UNTESTED SOLD AS IS
Phototherm Super Sidekick 4 Roll Development Tank - UNTESTED SOLD AS IS
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Phototherm Super Sidekick 4 Roll Development Tank - UNTESTED SOLD AS IS
$150.00
TSS 4" Guide Rings (Pair) (Pre-owned)
TSS 4" Guide Rings (Pair) (Pre-owned)
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TSS 4" Guide Rings (Pair) (Pre-owned)
$50.00
Stellarvue Spacer 3mm for 48mm Thread
Spacer 3mm for 48mm Thread
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Spacer 3mm for 48mm Thread
$14.00
William Optics WIlliam Optics Camera Tilt Adjuster (Pre-Owned)
WIlliam Optics Camera Tilt Adjuster
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WIlliam Optics Camera Tilt Adjuster (Pre-Owned)
$75.00
Unbranded Unbranded H20mm 1.25" Eyepiece with moon filter (Pre-owned)
Reduces lunar glare for more comfortable viewing!
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Unbranded H20mm 1.25" Eyepiece with moon filter (Pre-owned)
$29.00
Unbranded 135mm Inner Diameter Clamshell Mounting Ring (Pre-owned)
Unbranded 135mm Inner Diameter Clamshell Mounting Ring (Pre-owned)
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Unbranded 135mm Inner Diameter Clamshell Mounting Ring (Pre-owned)
$0.00
Nikon Nikon F Focusing Screen Type "G1"
These focusing screen's are (old stock). They are all functional and work they way they were meant to. The outer casing on two of the three have blemishes but these blemishes do not affect its ability to function as it should.
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Nikon F Focusing Screen Type "G1"
$24.95
Takahashi TAKAHASHI 7.5x50 FINDERSCOPE
TAKAHASHI 7.5x50 FINDERSCOPE
TAKAHASHI 7.5x50 FINDERSCOPE
$392.00
Giant Microbes Giant Microbes Heart Model
Learning about the remarkable human heart has never been this fun and easy with GIANTmicrobes labeled cross-sectional model!
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Giant Microbes Heart Model
$15.00
Giant Microbes Giant Microbes AI Brain
AI Brain plush is here!
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Giant Microbes AI Brain
$15.00
Stargazing Book
From types of stars to constellations to shooting stars, this kid-friendly stargazing book has everything your child needs to learn about the night sky.
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Stargazing Book
$16.00
Usborne Scratch Activities Night Sky
This scratch activity book is filled with stunning scenes of the night sky and space, plus inviting patches to scratch.
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Usborne Scratch Activities Night Sky
$9.99
Math Scribble Book
THINK like a mathematician by scribbling your way through this jam-packed activity book
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Math Scribble Book
$12.99
Lunt Lunt Calcium K Module
Calcium K (Ca-K) telescopes and filters are used to study the wavelength of 393.4 nm
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Lunt Calcium K Module
$795.00
Lumicon Lumicon Giant Easy Guider (Pre-owned)
The Lumicon Giant Easy Guider (GEG) is an 80mm multi-coated off-axis guider with a focal reducer for large SCTs.
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Lumicon Giant Easy Guider (Pre-owned)
$100.00