3x barlow triples the magnification of any 1.25” eyepiece; compatible with most 1.25 inch diameter telescope eyepieces
Includes both end caps to protect against dust and fingerprints; this barlow comes with a set screw to securely hold your eyepieces
For owners of fast short focal length telescopes; it not only increases the magnification;the image will be clearer than the average increase in magnification up to 15 times the image clarity
Double glued lens set; the true FMC coating process ensures that each exposed air lens surface is fully broadband coated to ensure adequate transmission and image quality
Brass ring design; the built-in brass pressure ring on the eyepiece insertion end ensures that the inserted high-end eyepiece lens body surface is not accidentally scratched