Dual ED Telescope Eyepiece - 5mm Dovetail Unlike the Optolong L-eNhance filter

Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb

- Fully Multi-Coated Four-Element Optics

A nice compromise between portability and aperture

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

Put simply this adapter let you mount your CCD camera onto your Canon EOS lenses and makes for an awesome setup for wide field shots taking full advantage     of both the sensitivity of the CCD camera and the quality of the photo lenses

Dual ED Telescope Eyepiece - 5mm Dovetail Unlike the Optolong L-eNhance filterAvailable 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