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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
To insure a perfect seal we test every eyepiece in one meter of water for 30 minutes
Rocks are transformed through four stages of grinding/polishing
Its 114mm primary mirror collects ample light for observing the Moon
and reliable optical system designed for amateur astronomers eager to explore deep space and planetary detail
Size 216mm x 57mm x 62mm
100° 20mm Waterproof Eyepiece az-manual To insure a perfect sealThese eyepieces with their huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay attention to subtle details for extended periods. These ultra wide angle eyepieces played a critical role in the military for aiming at targets, and their long eye relief counterparts helped reduce eye injury from recoil. Each 100 Series Argon Purged Waterproof eyepiece is internally sealed
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