Usability
The excellent mechanical construction and finish when combined with a sizeable 15mm eye relief an adjustable twist-type eyeguard makes this eyepiece comfortable to use. In addition, the eyepiece is parfocal and as such there is no need to refocus when changing magnifications.
Optical performance
The optical train consists of seven lenses in four separate groups, all optical surfaces are broadband fully multi-coated and all lenses feature blackened edges, the eyepiece also benefits from internal baffling. These features reduce internal reflections to an absolute minimum and help to significantly increase contrast.
Compact
The Eyepiece has a 1.25" nosepiece and is threaded for filters. It weighs 155 grams, measures 81mm tall (including the nosepiece) and has a 48mm maximum diameter.
Carries full one year UK warranty.
Opticstar Zoom XL eyepieces.
