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 $4,165.00 - Original price $4,165.00Original price$4,165.00$4,165.00 - $4,165.00Current price $4,165.00Sky-Watcher Esprit 120mm f/7 ED Apochromatic Triplet Refractor With Field Flattener S11420
Sky-WatcherIn StockThe big Sky-Watcher Esprit 120mm ED apochromatic triplet refractor with thread-on field flattener combines premium high contrast/high resolution im...
View full detailsOriginal price $4,165.00 - Original price $4,165.00Original price$4,165.00$4,165.00 - $4,165.00Current price $4,165.00 -
Original price $2,490.00 - Original price $2,490.00Original price$2,490.00$2,490.00 - $2,490.00Current price $2,490.00Sky-Watcher Evostar 120mm f/7.5 ED Doublet Apochromatic Refractor S11130
Sky-WatcherIn StockThis 120mm Sky-Watcher Evostar 120ED is a premium doublet apochromatic refractor with highly-reviewed high contrast/high resolution optics that Sky...
View full detailsOriginal price $2,490.00 - Original price $2,490.00Original price$2,490.00$2,490.00 - $2,490.00Current price $2,490.00 -
Original price $1,080.00 - Original price $1,080.00Original price$1,080.00$1,080.00 - $1,080.00Current price $1,080.00Sky-Watcher Evostar 80ED 80mm f/7.5 ED Doublet Apochromatic Refractor S11100
Sky-WatcherIn StockThis 80mm Sky-Watcher Evostar 80ED doublet apochromatic refractor is loaded with performance and features at a very attractive price . . . This Sky...
View full detailsOriginal price $1,080.00 - Original price $1,080.00Original price$1,080.00$1,080.00 - $1,080.00Current price $1,080.00 -
Original price $4,100.00 - Original price $4,100.00Original price$4,100.00$4,100.00 - $4,100.00Current price $4,100.00Sky-Watcher Evostar 150DX 150mm Apochomatic Refractor Optical Tube S11195
Sky-WatcherIn StockThe Sky-Watcher Evostar 150DX is one of the most affordable 6" ED doublet refractors available today with a large format rack and pinion focuser. S...
View full detailsOriginal price $4,100.00 - Original price $4,100.00Original price$4,100.00$4,100.00 - $4,100.00Current price $4,100.00
