Updated Detail Design: all metal construction with aluminum and CNC black anodized; optical lense adopts apochromatic glass; filter thread for mounting 1.25 inch filter and improved two large locking thumbscrews for fixing eyepiece tightly;
2x Magnification Result: premium barlow lens provide 2x increase in magnification for allowing you look more closely and more detailed at the moon's surface and other planet during astronomical journey;
Muti Coated Optics Lense: Anti reflective internal finish to maximize image contrast; optical glass lens offers better viewing without introducing additional chromatic aberration and providing high light transmission for clear view and color correction;
Metal filter cell threads directly into the 1.25- inch barrel of your telescope eyepiece
Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming