Description Observing with the ED152 Air-Spaced Triplet FCD1 Series Apochromatic Refractor in Carbon Fiber with genuine HOYA FCD1 ED Glass: Serious amateur astronomers who choose apochromatic refractors know that generally once you start using an instrument larger than 127mm, that the limitation of size and weight can become a problem, often requiring a larger-class equatorial […]

Features This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7 Causes no change to the telescope focal length 2-inch barrel to easily attach to a two-inch focuser Fully multi-coated optics T-ring thread on the device so a T-ring can be used to easily attach a DSLR camera or […]

Proceeds from the sale will benefit the Astronomy Outreach of Kosovo organization Description The ED80 Essential Series Air-Spaced Triplet Refractor is a true apochromatic telescope that reveals celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures of the Messier catalog. Offering true […]

Note: This item is sold as-is — without warranty. All sales are final. Quantities are limited. Price includes shipping to the 48 contiguous United States. For shipping elsewhere, please contact customer service at 866-252-3811. Description The demo Explore Scientific AR127 Air-Spaced Doublet is a classic air-spaced, crown-and-flint, doublet achromatic refractor, reborn with the aim to […]