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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 $519.00 - Original price $519.00Original price$519.00$519.00 - $519.00Current price $519.00Astro-Tech AT72EDII Refractor OTA FPL-53 and Lanthanum f/6 Doublet
Astro-TechIn StockThe Astro-Tech AT72EDII takes the performance, and mechanics, of the "product everyone should own" (thank you Astronomy Magazine) and gives it an u...
View full detailsOriginal price $519.00 - Original price $519.00Original price$519.00$519.00 - $519.00Current price $519.00 -
Original price $419.00 - Original price $419.00Original price$419.00$419.00 - $419.00Current price $419.00Astro-Tech AT60ED 60mm f/6 FPL-53ED and Lanthanum Doublet
Astro-TechIn StockThis Astro-Tech ED refractor has: 60mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics dual-speed Rack and Pinion 2” focuser w...
View full detailsOriginal price $419.00 - Original price $419.00Original price$419.00$419.00 - $419.00Current price $419.00 -
Original price $439.00 - Original price $439.00Original price$439.00$439.00 - $439.00Current price $439.00Astro-Tech AT80ED 3.1" f/7 ED Refractor OTA
Astro-TechIn StockThis Astro-Tech AT80ED refractor has: 80mm f/7 fully multicoated doublet optics using FK-61 ED glass dual-speed 2" Rack and Pinion rotatable focus...
View full detailsOriginal price $439.00 - Original price $439.00Original price$439.00$439.00 - $439.00Current price $439.00 -
Original price $649.00 - Original price $649.00Original price$649.00$649.00 - $649.00Current price $649.00Astro-Tech AT102ED 4" f/7 ED Refractor OTA
Astro-TechIn StockThe Astro-Tech AT102ED is a fantastic value and incredible performer. This Astro-Tech AT102ED refractor has: • 102mm f/7 fully multicoated doublet ...
View full detailsOriginal price $649.00 - Original price $649.00Original price$649.00$649.00 - $649.00Current price $649.00 -
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 $0.00 - Original price $0.00Original price $0.00$899.00$899.00 - $899.00Current price $899.00Astro-Tech AT80EDT f/6 ED Triplet Refractor OTA
Astro-TechMore on the wayFor the backyard grab-and-go observer, for the Milky Way star field scanner, for the wide field imager, for the birder and terrestrial photographer...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$899.00$899.00 - $899.00Current price $899.00 -
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 $329.00 - Original price $329.00Original price$329.00$329.00 - $329.00Current price $329.00Astro-Tech AT70ED 2.8" f/6 ED Refractor OTA
Astro-TechIn StockThis Astro-Tech AT70ED refractor has: 70mm f/6 fully multicoated doublet optics using FK-61 ED glass dual-speed 2" Rack and Pinion focuser 2" and ...
View full detailsOriginal price $329.00 - Original price $329.00Original price$329.00$329.00 - $329.00Current price $329.00 -
Original price $139.95 - Original price $139.95Original price$139.95$139.95 - $139.95Current price $139.95Astro-Tech 60mm Photoguide Refractor OTA
Astro-TechIn StockThe new Astro-Tech AT60GS 60mm guidescope with upgraded helical focuser makes highly accurate autoguiding of deep space astrophotos affordable for ...
View full detailsOriginal price $139.95 - Original price $139.95Original price$139.95$139.95 - $139.95Current price $139.95 -
Original price $1,199.00 - Original price $1,199.00Original price$1,199.00$1,199.00 - $1,199.00Current price $1,199.00Astro-Tech AT102EDL Refractor OTA FCD-100 and Lanthanum f/7 Doublet
Astro-TechMore on the wayThe Astro-Tech AT102EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...
View full detailsOriginal price $1,199.00 - Original price $1,199.00Original price$1,199.00$1,199.00 - $1,199.00Current price $1,199.00 -
Original price $849.00Original price $849.00 - Original price $849.00Original price $849.00Current price $600.00$600.00 - $600.00Current price $600.00
Astro-Tech AT60EDP 60mm f/5 Dual ED Petzval OTA
Astro-TechIn StockThis unique Astro-Tech apochromatic ED petzval fast focal ratio refractor has an incredible flat field for your astro-photography endeavors. This ...
View full detailsOriginal price $849.00Original price $849.00 - Original price $849.00Original price $849.00Current price $600.00$600.00 - $600.00Current price $600.00Save $249.00 -
Original price $1,849.00 - Original price $1,849.00Original price$1,849.00$1,849.00 - $1,849.00Current price $1,849.00Astro-Tech AT125EDL Refractor OTA FCD-100 and Lanthanum f/7.8 Doublet
Astro-TechIn StockThe Astro-Tech AT125EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...
View full detailsOriginal price $1,849.00 - Original price $1,849.00Original price$1,849.00$1,849.00 - $1,849.00Current price $1,849.00 -
Original price $1,595.00 - Original price $1,595.00Original price$1,595.00$1,595.00 - $1,595.00Current price $1,595.00Astro-Tech AT90CFT Limited Edition f/6 Triplet APO Refractor Carbon Fiber OTA
Astro-TechIn StockThis Astro-Tech AT90CFT refractor has: • 90mm f/6 apochromatic triplet optics using an FCD-100 ED element• 2.5" dual-speed rotating rack and pini...
View full detailsOriginal price $1,595.00 - Original price $1,595.00Original price$1,595.00$1,595.00 - $1,595.00Current price $1,595.00 -
Original price $479.95 - Original price $479.95Original price$479.95$479.95 - $479.95Current price $479.95
Astro-Tech 6" f/9 Ritchey-Chrétien Astrograph
Astro-TechSold OutThe exceptional value 6" Astro-Tech Ritchey-Chrétien astrograph is once again available for the serious deep space astrophotographer on a budget . ...
View full detailsOriginal price $479.95 - Original price $479.95Original price$479.95$479.95 - $479.95Current price $479.95Sold out -
Original price $4,395.00 - Original price $4,395.00Original price$4,395.00$4,395.00 - $4,395.00Current price $4,395.00Astro-Tech AT152EDT f/8 Triplet APO Refractor OTA
Astro-TechMore on the wayThe Astro-Tech AT152EDT 152mm f/8 Triplet Apochromatic Refractor – A True Lifetime Telescope For those who demand the best in optical performance ...
View full detailsOriginal price $4,395.00 - Original price $4,395.00Original price$4,395.00$4,395.00 - $4,395.00Current price $4,395.00 -
Original price $2,995.00 - Original price $2,995.00Original price$2,995.00$2,995.00 - $2,995.00Current price $2,995.00Astro-Tech AT150EDL Refractor OTA FCD-100 and Lanthanum f/8 Doublet with Hard Case
Astro-TechIn StockThe Astro-Tech AT150EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...
View full detailsOriginal price $2,995.00 - Original price $2,995.00Original price$2,995.00$2,995.00 - $2,995.00Current price $2,995.00 -
Original price $1,595.00 - Original price $1,595.00Original price$1,595.00$1,595.00 - $1,595.00Current price $1,595.00Astro-Tech AT90EDX f/6 Triplet APO Refractor OTA
Astro-TechIn StockThis Astro-Tech AT90EDX refractor has: 90mm f/6 apochromatic triplet optics using an FCD-100 ED element guaranteed .95 strehl ratio or higher opti...
View full detailsOriginal price $1,595.00 - Original price $1,595.00Original price$1,595.00$1,595.00 - $1,595.00Current price $1,595.00 -
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 $3,195.00 - Original price $3,195.00Original price$3,195.00$3,195.00 - $3,195.00Current price $3,195.00Astro-Tech AT130EDX f/7 FCD100 ED Triplet APO
Astro-TechIn StockThe AT130EDX is the next evolution of instruments from Astro-Tech. The instrument quality is what you come to expect from an Astro-Tech with an eye...
View full detailsOriginal price $3,195.00 - Original price $3,195.00Original price$3,195.00$3,195.00 - $3,195.00Current price $3,195.00 -
Original price $1,395.00 - Original price $1,395.00Original price$1,395.00$1,395.00 - $1,395.00Current price $1,395.00
Astro-Tech 8" f/8 Ritchey-Chrétien Astrograph, Carbon Fiber Tube
Astro-TechSold OutThe Astro-Tech AT8RC is the first affordable 8" Ritchey-Chrétien with premium features available to the amateur astronomer who is into serious deep...
View full detailsOriginal price $1,395.00 - Original price $1,395.00Original price$1,395.00$1,395.00 - $1,395.00Current price $1,395.00Sold out -
Original price $1,299.00 - Original price $1,299.00Original price$1,299.00$1,299.00 - $1,299.00Current price $1,299.00Astro-Tech AT86EDQ f/7 Quad Refractor
Astro-TechIn StockThis Astro-Tech AT86EDQ ED refractor has: 86mm f/7 fully multicoated four-lens/two-group refractor two ED lens elements amazing flat field astrop...
View full detailsOriginal price $1,299.00 - Original price $1,299.00Original price$1,299.00$1,299.00 - $1,299.00Current price $1,299.00 -
Original price $3,195.00 - Original price $3,195.00Original price$3,195.00$3,195.00 - $3,195.00Current price $3,195.00Astro-Tech 10" f/8 Truss Tube Ritchey-Chrétien Optical Tube
Astro-TechMore on the wayThis newest Version A of the Astro-Tech AT10RCT carbon fiber Serrurier truss Ritchey-Chrétien Hot Product for 2015 makes high quality large-apertur...
View full detailsOriginal price $3,195.00 - Original price $3,195.00Original price$3,195.00$3,195.00 - $3,195.00Current price $3,195.00 -
Original price $2,195.00 - Original price $2,195.00Original price$2,195.00$2,195.00 - $2,195.00Current price $2,195.00
Astro-Tech 12" f/4 Carbon Fiber Truss-Tube Imaging Newtonian
Astro-TechSold OutIf you are a serious deep space astrophotographers with a big mount, this Sky & Telescope 2016 Hot Product 12" Astro-Tech AT12INT carbon fiber ...
View full detailsOriginal price $2,195.00 - Original price $2,195.00Original price$2,195.00$2,195.00 - $2,195.00Current price $2,195.00Sold out -
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 AT106EDQ f/7 Quad Refractor
Astro-TechMore on the wayThis Astro-Tech AT106EDQ ED refractor has: • 106mm f/7 fully multicoated four-lens/two-group refractor• two ED lens elements• amazing flat field as...
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
