Despite its compact size and light weight of only 0.3 lbs, the Nagler Zoom does not compromise on user comfort. It boasts a consistent 10mm eye relief, which, while not ideal for eyeglass wearers, provides a comfortable viewing experience for most users.
Make it clear that par focalization is only possible with short focal length, telescopes.s.
Great product with magnification powers accessible with the turn of the eye piece dia l! Parfocalized for short focal refractors. Not so for my twenty inch dobsonian. Parfocallization absent with my 2500 focal length dog. Hi Eleanor But I still like this eyeoiece!