Sales & Clearance
- ClearanceClearance: *2nd* ZWO ASI183MC Pro Cooled Color Astronomy Camera # ASI183MC-P CLN-1125Sale Price: $749.99 Our Price: $799.00In StockFree US Shipping
- Thousand Oaks Optical SolarLite Solar Filter Film (ND 5) - 4" (101mm) Square PieceOur Price: $12.99In StockFree US Shipping Over $25
- SpecialWilliam Optics GT71 71mm f/5.9 Apo Refractor (Red) with Soft Case & Flat6AIII Field Flattene...Our Price: $1,065.00In StockFree Contiguous US Shipping
- On SaleCelestron 1.25" Universal T-Adapter with 2x Barlow # 93640Sale Price: $59.95 Our Price: $67.95Out of StockFree US Shipping
- CloseoutBaader UV-IR-CUT Filter - 1.25" # FUVIR-1 2459207ASale Price: $65.70 Our Price: $73.00In StockFree US Shipping
- On SaleCelestron 1.25" 3x X-Cel LX Barlow Lens # 93428Sale Price: $99.95 Our Price: $119.95In StockFree US Shipping
- On SaleCelestron 1.25" 2x X-Cel LX Barlow Lens # 93529Sale Price: $99.99 Our Price: $119.95In StockFree US Shipping
- Thousand Oaks Optical SolarLite Solar Filter Film (ND 5) - 3" (76mm) Square PieceOur Price: $8.99Out of StockFree US Shipping Over $25
- CloseoutZWO Filter Drawer with M54x0.75 Threads (Gen 1) - For 2" Mounted Filters # FD-M54Sale Price: $69.00 Our Price: $79.00Out of StockFree US Shipping
- CloseoutBaader O-III Nebula Filter - 1.25" # FOIII-1 2458395Sale Price: $81.00 Our Price: $109.00Out of StockFree US Shipping
- On SaleBaader T-2 to SCT Thread Expanding Ring (1mm Optical Length) # T2-28a 2958242Sale Price: $10.00 Our Price: $29.00In StockFree US Shipping Over $25
- CloseoutLumicon Oxygen III Filter - 1.25" # LF3040Sale Price: $124.20 Our Price: $138.00Out of StockFree US Shipping
- CloseoutBaader O-III Nebula Filter - 2" # FOIII-2 2458396Sale Price: $139.00 Our Price: $189.00Out of StockFree US Shipping
- On SaleSky-Watcher EQ6-R Pro Computerized GoTo Telescope Mount (with Hand Controller) # S30300Our Price: $1,699.00In StockFree Contiguous US Shipping
- DiscontinuedWilliam Optics RedCat 71 f/4.9 Petzval Apo Refractor Telescope (do not delete)Our Price: $1,698.00Out of StockFree Contiguous US Shipping
- DiscontinuedWilliam Optics RedCat 71 f/4.9 Petzval Apo Refractor Telescope (Discontinued)Our Price: $1,698.00Out of StockFree Contiguous US Shipping
- SpecialWilliam Optics ZenithStar Z61II 61mm f/5.9 Doublet Apo Refractor with Soft Case # A-Z61II (A...From Our Price: $599.00Free US Shipping
- CloseoutBlue Fireball SCT Thread Spacer Ring with 0.5" Extension (Short Thread Version) # S-SASale Price: $9.48 Our Price: $18.95Out of StockFree US Shipping Over $25
- CloseoutBlue Fireball SCT Thread Spacer Ring with 1" Extension (Short Thread Version) # S-SBSale Price: $10.48 Our Price: $20.95In StockFree US Shipping Over $25
- CloseoutBlue Fireball SCT Thread Spacer Ring with 1.5" Extension (Short Thread Version) # S-SCSale Price: $11.48 Our Price: $22.95In StockFree US Shipping Over $25
- On SalePentax 1.25" SMC XW Eyepiece - 10mm # 70514Sale Price: $269.00 Our Price: $299.00In StockFree US Shipping