Dual ED Telescope Eyepiece - 5mm Dovetail No batteries required

No batteries required

- All metal construction: black anodised aluminium

- Fully Multi-Coated Four-Element Optics

such as the Schmidt-Cassegrain were reserved for the wealthy

Unfortunately all it takes is a about a second of the bright white light from a flashlight or a cell phone display to deplete your night vision and have you waiting around to adapt again

Dual ED Telescope Eyepiece - 5mm Dovetail No batteries requiredAvailable 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