William Optics

SWAN: A premium eyepiece for your most demanding observations. Unforgettable views of star clusters and the moon at 72 deg. F.O.V.

SWAN: the perfect compromise between quality, cost, eye-relief and edge sharpness. All with a SWA super-wide angle 72 deg. F.O.V. ! The ultimate 1.25 ” SWA eyepiece.

William Optics is proud to introduce the SPL (Super Planetary Long eye-relief) eyepieces. This new Planetary Eyepiece series is designed for users with the need for high-power, sharp and contrast views for planetary observations.

High quality William Optics 10mm eyepiece designed for the RedCat scope. Provides a comfortable 16mm eye relief and gives a nice 25x magnification. 60° field and has a lovely flat field to match the RedCat 51.

SWAN: a great all-round eyepiece that does not break your wallet! Internally baffled and blackened, fully multicoated, breath-taking 72 deg. F.O.V. !!

SWAN: a huge-lens rich-field eyepiece at a very reasonable price! Fully multicoated advanced design for breathtaking and jaw-dropping 72 deg. F.O.V. views.

Newest W.O. Extremly Wide Angle eyepiece. Great performance at a great price!! It perfectly fits the description of "a great premium eyepiece at an unbeatable price"

Newest W.O. Extremly Wide Angle eyepiece. Great performance at a great price!! It perfectly fits the description of "a great premium eyepiece at an unbeatable price"