Products

  • 2" Extension Tube (ET080)
    Stellarvue
    Vendor
    Stellarvue
    Regular price
    $19.96
    Sale price
    save $-19.96
    Unit price
    per 
  • 2" Extension Tube (TKP31112)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $194
    Sale price
    save $-194
    Unit price
    per 
  • 2" Eyepiece and Filter Kit (94305)
    Celestron
    Vendor
    Celestron
    Regular price
    $419.95
    Sale price
    save $-419.95
    Unit price
    per 
  • 2" Eyepiece Barrel Extender
    Tele Vue
    Vendor
    Tele Vue
    Regular price
    $37
    Sale price
    save $-37
    Unit price
    per 
  • 2" Eyepiece Holder for Quark Solar Filters
    DayStar
    Vendor
    DayStar
    Regular price
    $65
    Sale price
    save $-65
    Unit price
    per 
  • 2" Field Flattener (FFEDAPO-01)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    Sold out
    Sale price
    save $-199.99
    Unit price
    per 
  • 2" Field Flattener (TFF)
    iOptron
    Vendor
    iOptron
    Regular price
    $188
    Sale price
    save $-188
    Unit price
    per 
  • 2" Field Flattener for Explore Scientific ED APO Telescopes (FFEDAPO)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    Sold out
    Sale price
    save $-179.99
    Unit price
    per 
  • 2" Filter Cell Adapter (19849)
    Optec
    Vendor
    Optec
    Regular price
    $20
    Sale price
    save $-20
    Unit price
    per 
  • 2" Focal Extender - 2x
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $229.99
    Sale price
    save $-229.99
    Unit price
    per 
  • 2" Focal Extender - 2x, 3x
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $299.99
    Sale price
    save $-299.99
    Unit price
    per 
  • 2" FSQ85 Visual Adapter (TKT37110)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $184
    Sale price
    save $-184
    Unit price
    per 
  • 2" H-Beta Nebula Filter (310230)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $179.99
    Sale price
    save $-179.99
    Unit price
    per 
  • 2" Helical Focuser for 60mm Finderscopes (F060H)
    Stellarvue
    Vendor
    Stellarvue
    Regular price
    $49
    Sale price
    save $-49
    Unit price
    per 
  • 2" Helical Focuser for 80mm Finderscopes (F080H)
    Stellarvue
    Vendor
    Stellarvue
    Regular price
    $49
    Sale price
    save $-49
    Unit price
    per 
  • 2" HR Coma Corrector for Newtonians (HRCC02-00)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $379.99
    Sale price
    save $-379.99
    Unit price
    per 
  • 2" Male - 1.25" Female Reducing Adapter
    Lumicon
    Vendor
    Lumicon
    Regular price
    $18.70
    Sale price
    save $-18.70
    Unit price
    per 
  • 2" Mirror Diagonal with 1.25" Adapter (6232)
    iOptron
    Vendor
    iOptron
    Regular price
    $148
    Sale price
    save $-148
    Unit price
    per 
  • 2" Mirror Star Diagonal with XLT Coatings (93527)
    Celestron
    Vendor
    Celestron
    Regular price
    $184.95
    Sale price
    save $-184.95
    Unit price
    per 
  • 2" ND 0.9 Neutral Density Moon Filter (310240)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $59.99
    Sale price
    save $-59.99
    Unit price
    per 
  • 2" Neutral Density Moon Filter (BPND18)
    Baader Planetarium
    Vendor
    Baader Planetarium
    Regular price
    $79
    Sale price
    save $-79
    Unit price
    per 
  • 2" Newtonian Collimator (SI-UNI-BLUG)
    Starlight Instruments
    Vendor
    Starlight Instruments
    Regular price
    $130
    Sale price
    save $-130
    Unit price
    per 
  • 2" Nosepiece with 2.156" Threads (A2558)
    Astro-Physics
    Vendor
    Astro-Physics
    Regular price
    $69
    Sale price
    save $-69
    Unit price
    per 
  • 2" O-III Nebula Filter (310200)
    Explore Scientific
    Vendor
    Explore Scientific
    Regular price
    $139.99
    Sale price
    save $-139.99
    Unit price
    per 
  • 2" Oxygen III Narrowband Filter (93624)
    Celestron
    Vendor
    Celestron
    Regular price
    $124.95
    Sale price
    save $-124.95
    Unit price
    per 
  • 2" Powermates
    Tele Vue
    Vendor
    Tele Vue
    Regular price
    $360
    Sale price
    save $-360
    Unit price
    per 
  • 2" PUSH-IN NOSEPIECE / M48 ADAPTER
    William Optics
    Vendor
    William Optics
    Regular price
    $33
    Sale price
    save $-33
    Unit price
    per 
  • 2" QE-1.6X Extender for FSQ-106EDX4 Telescopes (TKA36595)
    Takahashi
    Vendor
    Takahashi
    Regular price
    $720
    Sale price
    save $-720
    Unit price
    per 
  • 2" Quartz Dielectric Star Diagonal (D1040Q)
    Stellarvue
    Vendor
    Stellarvue
    Regular price
    $249
    Sale price
    save $-249
    Unit price
    per 
  • 2" Rotolock M54 for Zenithstar 61 (F-ROTO-A54SL)
    William Optics
    Vendor
    William Optics
    Regular price
    Sold out
    Sale price
    save $-97
    Unit price
    per 
  • 2" Rotolock M63 for Zenithstar 71 (F-ROTO-A63SL)
    William Optics
    Vendor
    William Optics
    Regular price
    Sold out
    Sale price
    save $-97
    Unit price
    per 
  • 2" Saddle with OPTEC-2400 Dovetail Mount (19612)
    Optec
    Vendor
    Optec
    Regular price
    $75
    Sale price
    save $-75
    Unit price
    per 


Personal Upgrade Path

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