Description The Original Classic Explore Scientific ED127 Air-Spaced Triplet, Retooled for the Astrophotographer: New precision front cell with push-pull adjustments for tilt and centering adjustments to get the best collimation for the tightest stars. New 2-inch two-speed rack and pinion focuser with heavy-duty locks and rotation adjustment, to position and hold your imaging system. New […]

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 […]