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The optical tube is really the heart of your night time exploration. Sizes range from 50mm to 20" in diameter as well as f/ratios from f/2.2 to f/15. The optical designs range from simple doublet refractors to complex cassegrains with built-in field flatteners. There is literally something for everyone here, you just have to decide what path you want to walk down. We are always here to help with any questions you have.
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Original price $4,399.00 - Original price $4,399.00Original price$4,399.00$4,399.00 - $4,399.00Current price $4,399.00Celestron 11" EdgeHD Optical Tube, CGE/Losmandy Dovetail
CelestronMore on the wayThe EdgeHD high definition flat field optics of this Celestron 11" EdgeHD optical tube give you a true astrographic-quality big aperture 11" optica...
View full detailsOriginal price $4,399.00 - Original price $4,399.00Original price$4,399.00$4,399.00 - $4,399.00Current price $4,399.00 -
Original price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00Sky-Watcher Skymax 180 180mm f/15 Maksutov-Cassegrain Optical Tube S11540
Sky-WatcherMore on the wayThe Sky-Watcher 180mm Maksutov-Cassegrain folded optical system comes close in optical performance to the best-known ultra-premium 7" Maksutov, but...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00 -
Original price $2,999.00 - Original price $2,999.00Original price$2,999.00$2,999.00 - $2,999.00Current price $2,999.00Celestron 11" SCT Optical Tube, CGE/Losmandy Dovetail
CelestronMore on the wayThis 24" long aluminum Celestron 11" Schmidt Cassegrain optical tube weighs only 27.5 lbs., making it easy to transport. It has an 11" aperture, a ...
View full detailsOriginal price $2,999.00 - Original price $2,999.00Original price$2,999.00$2,999.00 - $2,999.00Current price $2,999.00 -
Original price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00Celestron 7" Maksutov Cassegrain OTA
CelestronIn StockThe 7" Maksutov Cassegrain is a fantastic instrument just begging to get out under the stars and bring its high contrast optics to your eye. The 7"...
View full detailsOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00 -
Original price $14,695.00 - Original price $14,695.00Original price$14,695.00$14,695.00 - $14,695.00Current price $14,695.00Questar 7" Classic Titanium Maksutov-Cassegrain, Magnesium Fluoride AR and Silver Reflecting Coatings, Quartz Mirror
QuestarMore on the wayThis Questar Seven Classic Titanium uses the same quartz mirror and coatings combination as the renowned 50th Anniversary 3.5" Questar, perhaps the...
View full detailsOriginal price $14,695.00 - Original price $14,695.00Original price$14,695.00$14,695.00 - $14,695.00Current price $14,695.00 -
Original price $12,795.00 - Original price $12,795.00Original price$12,795.00$12,795.00 - $12,795.00Current price $12,795.00Questar 7" Classic Titanium Maksutov-Cassegrain, Broadband Coatings
QuestarMore on the wayThere are mere mortal telescopes and then there is the Questar Seven Classic Titanium with broadband coatings, which inhabits a higher plane of ast...
View full detailsOriginal price $12,795.00 - Original price $12,795.00Original price$12,795.00$12,795.00 - $12,795.00Current price $12,795.00 -
Original price $4,495.00 - Original price $4,495.00Original price$4,495.00$4,495.00 - $4,495.00Current price $4,495.00
Astro-Tech 12" f/8 Truss Tube Ritchey-Chrétien Optical Tube
Astro-TechSold OutThis newest Version A of the Astro-Tech AT12RCT carbon fiber Serrurier truss Ritchey-Chrétien Hot Product for 2015 makes high quality large-apertur...
View full detailsOriginal price $4,495.00 - Original price $4,495.00Original price$4,495.00$4,495.00 - $4,495.00Current price $4,495.00Sold out
