Dual ED Telescope Eyepiece - 5mm Planisphere Each lens and lens grouping

Each lens and lens grouping have EMD (Enhanced Multilayer Deposition) Coatings and are edge-blackened to eliminate light scatter and maintain image contrast

soft light baffle and two radial main mirror fan for fast temperature equilibrium

all internal surfaces of the eyepiece barrel are flat black

The field of view is flat - free of distorsions - and the colours are extremely well corrected

Universal Self-Centering Saddle (USCS)

Dual ED Telescope Eyepiece - 5mm Planisphere Each lens and lens groupingAvailable focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1. 25" eyepieces with ED elements delivery outstanding contrast and sharpness. The eyepieces combine these optical qualities with a large 60 degrees field of view for a greater immersion and observation comfort. The field of view is flat free of distorsions and the colours are extremely well corrected. All air to glass surfaces are fully