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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 $3,210.00 - Original price $3,210.00Original price$3,210.00$3,210.00 - $3,210.00Current price $3,210.00Sky-Watcher Esprit 100mm f/5.5 ED Apochromatic Triplet Refractor With Field Flattener S11410
Sky-WatcherMore on the wayThe Sky-Watcher Esprit 100mm ED apochromatic triplet refractor has the premium high contrast/high resolution/flat field optical performance you nee...
View full detailsOriginal price $3,210.00 - Original price $3,210.00Original price$3,210.00$3,210.00 - $3,210.00Current price $3,210.00 -
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 $2,230.00 - Original price $2,230.00Original price$2,230.00$2,230.00 - $2,230.00Current price $2,230.00Sky-Watcher Esprit 80mm f/5 ED Apochromatic Triplet Refractor With Field Flattener S11400
Sky-WatcherIn StockThe compact Sky-Watcher Esprit 80mm ED apochromatic triplet refractor has the premium high contrast/high resolution optical performance you need to...
View full detailsOriginal price $2,230.00 - Original price $2,230.00Original price$2,230.00$2,230.00 - $2,230.00Current price $2,230.00 -
Original price $8,250.00 - Original price $8,250.00Original price$8,250.00$8,250.00 - $8,250.00Current price $8,250.00Sky-Watcher Esprit 150mm f/7 Ed Apochromatic Triplet Refractor With Field Flattener S11430
Sky-WatcherMore on the wayThe big Sky-Watcher Esprit 150mm ED apochromatic triplet refractor with thread-on field flattener combines premium high contrast/high resolution im...
View full detailsOriginal price $8,250.00 - Original price $8,250.00Original price$8,250.00$8,250.00 - $8,250.00Current price $8,250.00
