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;
Double magnification: The 2x Barlow Lens simply increases the magnification of the eyepiece without significantly reducing optical quality; you can still use eyepieces with longer focal lengths for better pupil dilation and the image
4 Element Fully Multi-Coated: Premium fully variegated Telescope Barlow lenses in a four lens design are used for high-end quality planetary photos to ensure excellent correction and pin-sharp; high-contrast images without chromatic aberration