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. Try and compare! Ideal for SCT and refractor telescopes.
Perfect match with William Optics telescopes • Outstanding super-wide field of view: 72 deg. F.O.V. • Fully Multi-coated lenses for excellent transmittance. • Outstanding chromatic aberration correction. • Excellent contrast and light throughput for sharp viewing.
Great Contrast • Fully internally blackened (lens edges and internal spacers). • No internal reflections. • No flaring or ghosting on high-contrast objects. • Parfocal.
Light and Easy • Soft rubber eyecup • Long eye-relief: 17 mm • No internal reflections or kidney bean effect
Terrific Fit and Finish • High-resistance anodized black barrel. • Smooth design for no hook up in your focuser. • Threaded for 1.25” filters.