Explore Scientific has used a combination of low dispersion and high refractive index optical glasses with multi-layer EMD coatings to produce high contrast, high resolution, and superior flat-field characteristics in this 62° eyepiece.
Each of the Explore Scientific 62° Series Argon-Purged Waterproof eyepieces is tested in one meter of water for 30 minutes, to guarantee a quality seal, and thus ensure fogless, moldless viewing for a lifetime. All components, including internal pieces are purged in argon for further protection.
This eyepiece is par-focal, meaning that it stays in focus regardless of the focal length chosen. Also, the piece has a removable and foldable soft silicone rubber eyecup for the comfort of the viewer.
|Field Stop Diameter:||27.3mm|