Celestron Reducer Lens .7x Edge-HD 1100 15x70 Binoculars replacing your retaining ring

replacing your retaining ring

contains: 254 b/w illus

For the alignment of Newtonian telescope mirrors

85mmTpeak:  T>90%Blocking range: 300-1000nmBlocking depth: light pollution  line blocking >99%Surface quality: 60/40Transmitted Wavefront RMS: λ/4Parallelism: 30s

The Meteoritical Society

Celestron Reducer Lens .7x Edge-HD 1100 15x70 Binoculars replacing your retaining ringCelestrons new EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers provide substantial back focus to accommodate an assortment of imaging accessories. EdgeHD reducers offer high index optical elements, including extra low dispersion, exotic Lanthanum elements, which provide high contrast viewing while