Expert Advice
Call 800-422-7876
OTA
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.
-
Original price $0.00 - Original price $0.00Original price $0.00$1,399.00$1,399.00 - $1,399.00Current price $1,399.00Astro-Tech AT115EDT f/7 ED Triplet Refractor OTA
Astro-TechIn StockThe Astro-Tech AT115EDT 4.53" f/7 ED triplet apochromatic refractor offers more performance and features than similarly-priced smaller aperture com...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,399.00$1,399.00 - $1,399.00Current price $1,399.00 -
Original price $1,899.00 - Original price $1,899.00Original price$1,899.00$1,899.00 - $1,899.00Current price $1,899.00Astro-Tech AT130 EDT f/7 ED Triplet OTA
Astro-TechIn StockSome observers feel that the Astro-Tech AT130EDT 5.12" f/7 ED triplet apochromatic refractor compares favorably in performance to scopes nearly fou...
View full detailsOriginal price $1,899.00 - Original price $1,899.00Original price$1,899.00$1,899.00 - $1,899.00Current price $1,899.00 -
Original price $1,199.00 - Original price $1,199.00Original price$1,199.00$1,199.00 - $1,199.00Current price $1,199.00
Astro-Tech 8" f/8 Ritchey-Chrétien Astrograph, Steel Tube
Astro-TechSold OutThe steel tube Astro-Tech AT8RC makes premium 8" Ritchey-Chrétien optics for serious deep space imaging available at the lowest price ever. Sky &am...
View full detailsOriginal price $1,199.00 - Original price $1,199.00Original price$1,199.00$1,199.00 - $1,199.00Current price $1,199.00Sold out -
Original price $6,049.00 - Original price $6,049.00Original price$6,049.00$6,049.00 - $6,049.00Current price $6,049.00
Astro-Tech 14" f/8 Truss Tube Ritchey-Chrétien Optical Tube
Astro-TechSold OutThis new version of the Hot Product for 2015 Astro-Tech AT14RCT carbon fiber truss Ritchey-Chrétien makes high quality DSLR and CCD imaging afforda...
View full detailsOriginal price $6,049.00 - Original price $6,049.00Original price$6,049.00$6,049.00 - $6,049.00Current price $6,049.00Sold out -
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 -
Original price $7,295.00 - Original price $7,295.00Original price$7,295.00$7,295.00 - $7,295.00Current price $7,295.00
Astro-Tech 16" f/8 Truss Tube Ritchey-Chrétien Optical Tube
Astro-TechSold OutThis newest version of the Astro-Tech AT16RCT carbon fiber Serrurier truss 16" f/8 Ritchey-Chrétien Hot Product for 2015 makes high quality large-a...
View full detailsOriginal price $7,295.00 - Original price $7,295.00Original price$7,295.00$7,295.00 - $7,295.00Current price $7,295.00Sold out -
Original price $3,495.00 - Original price $3,495.00Original price$3,495.00$3,495.00 - $3,495.00Current price $3,495.00Astro-Tech 10" f/8 Ritchey-Chrétien Carbon Fiber Optical Tube
Astro-TechMore on the wayAfter many customer requests, we are proud to now offer the Astro-Tech AT10RC Ritchey-Chrétien astrograph, a Sky and Telescope Hot Product for 2010...
View full detailsOriginal price $3,495.00 - Original price $3,495.00Original price$3,495.00$3,495.00 - $3,495.00Current price $3,495.00 -
Original price $2,495.00 - Original price $2,495.00Original price$2,495.00$2,495.00 - $2,495.00Current price $2,495.00Astro-Tech 10" f/8 Ritchey-Chrétien Optical Tube
Astro-TechMore on the wayThe 10" Astro-Tech AT10RC Ritchey-Chrétien astrograph is a Sky & Telescope Hot Product for 2010 and an Astronomy Star Product for 2010 award wi...
View full detailsOriginal price $2,495.00 - Original price $2,495.00Original price$2,495.00$2,495.00 - $2,495.00Current price $2,495.00
