The barlow increases the magnification of any 2 inch or 1.25 inch eyepiece by two and a half times
Fully Multicoated Optics with 4-element lens system; hard-anodized aluminum barrel is threaded to accept 2 inch filters
2.5x Magnification with anodized Aluminum Housing; 2 inch Barrel Diameter; a 2 inch to 1.25 inch adapter is included; allows the use of both 2 inch and 1.25 inch eyepieces
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 6 dust caps; shields lens surfaces from airborne particles; fingerprints and accidental scratches; maintains optical clarity for planetary and deep-sky viewing