Celestron 2x Barlow lens with T-Adaptor

The Celestron Universal Barlow & T-Adapter is three accessories in one 2X BARLOW: Use during visual observing to double the magnification of every 1.25” eyepiece you own PRIME FOCUS PHOTOGRAPHY: Use the T-Adapter portion of this accessory to transform your telescope into a giant telephoto lens TELE-EXTENDED PHOTOGRAPHY: Use the T-Adapter with Barlow to get double the magnification of prime focus mode NOTE: T-Threads accept camera brand specific T-Ring (sold separately)