Exceptional performance, wide-angle eyepiece with a long 20mm eye relief and waterproof body
Designed for use with Pentax spotting scopes and with astronomical telescopes with appropriate 31.7 mm focusers. It has weatherproof construction for greater durability. The smc Pentax 5 mm features high-grade Lanthanum glass with high refraction and low dispersion. In addition, original multi-coating and special coating on the laminated surfaces effectively reduce flare and ghosting, achieving extremely high lighttransmission performance.
Compatible with the Pentax PF-100ED, PF-80EDA, PF-80ED, PF-65EDAII and PF-65EDII spotting scopes.