Celestron Luminos 2.5x 2 "is a 4-element Barlow lens 2.5x in 2" standard. Optics covered with FMC layers. Body with 2 " clamping ring and reduction to 1.25", also with brass ring. The lens is equipped with a 2 "filter thread. Recommended for both observation and astrophotography.
Technical specifications
• fold: 2.5x • number of optical elements: 4 • anti-reflective layers: FMC (on all optical surfaces) • binding standard: 2 " • weight: 270 g
Warranty
2 years