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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 $1,599.00 - Original price $1,599.00Original price$1,599.00$1,599.00 - $1,599.00Current price $1,599.00| /
Celestron 8" EdgeHD Optical Tube, CGE/Losmandy Dovetail
Celestron4.9 star rating 11 ReviewsIn Stock4.9 / 5.0
11 Reviews
The EdgeHD high definition flat field optics of this Celestron 8" EdgeHD optical tube make true astrographic-quality 8" optics truly affordable. Th...
View full detailsOriginal price $1,599.00 - Original price $1,599.00Original price$1,599.00$1,599.00 - $1,599.00Current price $1,599.00| / -
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-Tech4.8 star rating 32 ReviewsSold Out4.8 / 5.0
32 Reviews
The 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 $479.95| /Sold out -
Original price $2,999.00 - Original price $2,999.00Original price$2,999.00$2,999.00 - $2,999.00Current price $2,999.00| /
Celestron 9.25" EdgeHD Optical Tube, CGE/Losmandy Dovetail
Celestron4.8 star rating 6 ReviewsMore on the way4.8 / 5.0
6 Reviews
The EdgeHD high definition flat field optics of this Celestron 9.25" EdgeHD optical tube give you true astrographic-quality 9.25" optics with a def...
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 $4,399.00 - Original price $4,399.00Original price$4,399.00$4,399.00 - $4,399.00Current price $4,399.00| /
Celestron 11" EdgeHD Optical Tube, CGE/Losmandy Dovetail
Celestron5.0 star rating 3 ReviewsMore on the way5.0 / 5.0
3 Reviews
The 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 $1,799.00 - Original price $1,799.00Original price$1,799.00$1,799.00 - $1,799.00Current price $1,799.00| /
Celestron 9.25" SCT Optical Tube, CGE/Losmandy Dovetail
Celestron4.9 star rating 7 ReviewsIn Stock4.9 / 5.0
7 Reviews
This 9.25" aperture optical tube gathers 33% more light than an 8" scope, providing brighter images of faint deep space objects. Its light-gatherin...
View full detailsOriginal price $1,799.00 - Original price $1,799.00Original price$1,799.00$1,799.00 - $1,799.00Current price $1,799.00| / -
Original price $1,249.00 - Original price $1,249.00Original price$1,249.00$1,249.00 - $1,249.00Current price $1,249.00| /
Celestron 8" SCT Optical Tube, CGE/Losmandy Dovetail
Celestron4.8 star rating 6 ReviewsMore on the way4.8 / 5.0
6 Reviews
The Celestron C8 was the first Schmidt-Cassegrain telescope available to amateur astronomers. This 8" f/10 optical tube is the direct, but much imp...
View full detailsOriginal price $1,249.00 - Original price $1,249.00Original price$1,249.00$1,249.00 - $1,249.00Current price $1,249.00| / -
Original price $1,255.00 - Original price $1,255.00Original price$1,255.00$1,255.00 - $1,255.00Current price $1,255.00| /
Sky-Watcher Evostar 100ED 100mm f/9 ED Doublet Apochromatic Refractor S11120
Sky-Watcher4.4 star rating 14 ReviewsIn Stock4.4 / 5.0
14 Reviews
This 100mm Sky-Watcher Evostar 100ED doublet apochromatic refractor is a premium scope with high contrast/high resolution performance and premium a...
View full detailsOriginal price $1,255.00 - Original price $1,255.00Original price$1,255.00$1,255.00 - $1,255.00Current price $1,255.00| / -
Original price $839.95 - Original price $839.95Original price$839.95$839.95 - $839.95Current price $839.95| /
Celestron 6" SCT Optical Tube, CG5/AVX Dovetail
Celestron5.0 star rating 10 ReviewsMore on the way5.0 / 5.0
10 Reviews
This 6" SCT optical tube has advanced Starbright XLT multicoatings for Celestron's brightest images ever. The Celestron C8 was the first Schmidt-Ca...
View full detailsOriginal price $839.95 - Original price $839.95Original price$839.95$839.95 - $839.95Current price $839.95| / -
Original price $2,999.00 - Original price $2,999.00Original price$2,999.00$2,999.00 - $2,999.00Current price $2,999.00| /
Celestron 11" SCT Optical Tube, CGE/Losmandy Dovetail
Celestron4.8 star rating 5 ReviewsMore on the way4.8 / 5.0
5 Reviews
This 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 $5,999.00 - Original price $5,999.00Original price$5,999.00$5,999.00 - $5,999.00Current price $5,999.00| /
Celestron 14" SCT Fastar-Compatible Optical Tube, CGE/Losmandy Dovetail
Celestron4.5 star rating 2 ReviewsMore on the way4.5 / 5.0
2 Reviews
There are state-of-the-art Starbright XLT multicoatings on the hand-figured 14" aperture SCT optics of this impressive optical tube, plus a Fastar-...
View full detailsOriginal price $5,999.00 - Original price $5,999.00Original price$5,999.00$5,999.00 - $5,999.00Current price $5,999.00| /