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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 $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 $5,999.99 - Original price $5,999.99Original price$5,999.99$5,999.99 - $5,999.99Current price $5,999.99
Explore Scientific 140mm f/6.7 FPL-53 Carbon Fiber APO Triplet Refractor With 3" Hexagonal Focuser
Explore ScientificSold Out140mm has long been considered the perfect size for an APO refractor. Explore Scientific makes that size a reality with fantastic optics and mechan...
View full detailsOriginal price $5,999.99 - Original price $5,999.99Original price$5,999.99$5,999.99 - $5,999.99Current price $5,999.99Sold out
