Accessories

  • Set of Covers and Plugs for GTO Control Boxes (CONCOVS)
    Astro-Physics
    Vendor
    Astro-Physics
    Regular price
    $18
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  • SFFR.74 Reducer for SVX102T and SVX102T-R
    Stellarvue
    Vendor
    Stellarvue
    Regular price
    Sold out
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  • Short 2" Sky 90 Adapter (TKP35110)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $120
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  • Short Vixen-Style Dovetail Plate for ED80 (VXNSML)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $45.99
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  • Shoulder Bag
    Tele Vue
    Vendor
    Tele Vue
    Regular price
    $48
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  • SI-EFS---Electronic Focusing System only (no motor)
    Starlight Instruments
    Vendor
    Starlight Instruments
    Regular price
    $300
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  • Side By Side Dovetail Plate
    Losmandy
    Vendor
    Losmandy
    Regular price
    $250
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  • Side by Side Plates
    PrimaLuce
    Vendor
    PrimaLuce
    Regular price
    $195
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  • Side mount dovetail saddle Losmandy size (TTS160T)
    Track the Stars
    Vendor
    Track the Stars
    Regular price
    $150
    Sale price
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  • Side mount dovetail saddle Vixen size (TTS160S)
    Track the Stars
    Vendor
    Track the Stars
    Regular price
    $100
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  • Side-by-Side Dovetail Plates for D-Style Saddle Plate
    Astro-Physics
    Vendor
    Astro-Physics
    Regular price
    $149
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  • SII 3nm Bandpass optimized for f/2.8-f/3.6
    Chroma
    Vendor
    Chroma
    Regular price
    $575
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  • Single 2.1mm to 2.5mm Cable for Intel NUC 0.5m
    Pegasus Astro
    Vendor
    Pegasus Astro
    Regular price
    $6
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  • Single Axis Camera Mount for D/V Series Plates
    Losmandy
    Vendor
    Losmandy
    Regular price
    $59
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  • Single Polarizer Filter
    Lumicon
    Vendor
    Lumicon
    Regular price
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    save $-49.50
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  • Single Port USB-to-Serial Converter
    Optec
    Vendor
    Optec
    Regular price
    $30
    Sale price
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  • Sky Commander Digital Setting Circle Accessories
    Astrosystems
    Vendor
    Astrosystems
    Regular price
    $30
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  • Sky-Quality Meter (SQM-L)
    Unihedron
    Vendor
    Unihedron
    Regular price
    $155
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  • Sky90 CFW10/ST CCD Adapter (TCD0018L)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $163
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  • Sky90 Reducer To T 29.7mm Thread Adapter (TCD0018)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $163
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  • Sky90-SCT Adapter (TCD0015)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $113
    Sale price
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  • SkyGuider Pro DEC Mounting Accessories
    iOptron
    Vendor
    iOptron
    Regular price
    $25
    Sale price
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  • SkyGuider Pro RA Mounting Block
    iOptron
    Vendor
    iOptron
    Regular price
    $35
    Sale price
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  • SkyPortal WiFi Module (93973)
    Celestron
    Vendor
    Celestron
    Regular price
    $139.95
    Sale price
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  • SkySync GPS Accessory (93969)
    Celestron
    Vendor
    Celestron
    Regular price
    $189.95
    Sale price
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  • SkyTracker Ball Head (3305A)
    iOptron
    Vendor
    iOptron
    Regular price
    $65
    Sale price
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  • SkyTracker Counterweight Package (3311)
    iOptron
    Vendor
    iOptron
    Regular price
    $75
    Sale price
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  • SkyTracker PRO / SkyGuider Pro Battery (3329)
    iOptron
    Vendor
    iOptron
    Regular price
    $20
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  • SkyTracker Pro Counterweight Package (3324)
    iOptron
    Vendor
    iOptron
    Regular price
    $85
    Sale price
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  • SkyWatcher M74 x 1mm Thread to OPTEC-2400 Mount (19659)
    Optec
    Vendor
    Optec
    Regular price
    $75
    Sale price
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  • Slide-base 50mm Guiding Rings (M-GR50SL)
    William Optics
    Vendor
    William Optics
    Regular price
    $64
    Sale price
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  • Slide-base UniGuide 50mm Scope (M-G50PB)
    William Optics
    Vendor
    William Optics
    Regular price
    $171
    Sale price
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Personal Upgrade Path

Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.