80 Degree Ultra Wide Fov Eyepiece: Experience celestial wonders with Astromania's swa 15mm eyepiece; featuring an 80 degree field of view; perfect for deep-space observation with 2" telescopes; it offers 30% wider views than standard eyepieces
Multi-Layer Coating: Advanced 6 elements in 4 group lens structure minimizes distortion; Anti-reflective broadband green film enhances contrast; Scratch-resistant coating ensures long-term performance for telescope eyepieces
Universal 2" Standard with Filter Compatibility: Industry-standard 2” barrel (51mm) fits most modern telescopes; rear female threading accepts 2" filters & barlow lenses; rugged CNC-machined aluminum construction prevents light leaks
Universal 2" Compatibility: Perfect fit for 2 inch telescope eyepieces; barlow lenses; diagonal prisms; T-adapters; focusers and other 2 inch telescope accessories; ensures seamless protection across your observation equipment
Dustproof: Dual-layer protection with 4 dust caps and 4 plugs; shields lens surfaces from airborne particles; fingerprints and accidental scratches; maintains optical clarity for planetary and deep-sky viewing