Explore Scientific 82 degrees Long Eye Relief 4.5mm Eyepiece - 1.25" Triplet APO Sky and Telescope magazine adopted

Sky and Telescope magazine adopted The David Chandler 'Night Sky' planisphere in 1976 and has promoted it ever since

Our goal was to provide an extreme value by providing true diffraction-limited optics at a price that will allow more people to explore the sky with a wide-field (f/6

The ideal workhorse for the deep sky observers

A 254mm aperture mirror collects more than 1

All connections of the tube structure were made in the TIG welding process and no rivets and screws were used

Explore Scientific 82 degrees Long Eye Relief 4.5mm Eyepiece - 1.25" Triplet APO Sky and Telescope magazine adoptedWith its particularly long eye relief of 15. 9mm, the 4. 5mm LER ocular from Explore Scientifics 82 Series of Argon Purged Waterproof Eyepieces puts the focus on a comfortable viewing experience for all observers. A long eye relief is especially important for eyeglass wearers because it allows them to enjoy the full field of view. The 4. 5mm focal length is perfect for observing objects that would benefit from high magnifications such as the Moon, the