Astromania 2X Barlow Lens Upgraded 1.25 inch Metal Fully Multi Coated Telescope Accessory with M42 Thread Camera Connect Interface for Telescope Eyepiece, Telescope Barlow Lens with Filter Thread

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 For Visual Observation: Barlow element separates from extension tube and threads directly into 1.25 inch eyepiece; doubling the power of 1.25 inch telescope eyepiece with this barlow lens which for 1.25 inch eyepieces from most brands of telescope Astrophotography Shooting Achievement: solve problem about T-adapters that telescopes will not focus properly without barlow to get infinity focus; M42x0.75 male thread allows connection of a SLR/DSLR camera or mirrorless camera with T-ring to telescope