Baader AstroSolar Binocular Filter 80mm For 70-90mm Binoculars - ASBF-80 Skywatcher GoTo Telescopes This innovation protects your eyepieces

This innovation protects your eyepieces from scratches on the barrel and the even pressure means you are always "on center"

and to offer the utmost in adaptation variability as well as much more light throughput than with any conventional 1 1/4" star diagonal

yet still permit extremely fine focusing control via a 10:1 dual speed pinion assembly

A 254 mm aperture mirror collects more than 1

Baader AstroSolar Binocular Filter 80mm For 70-90mm Binoculars - ASBF-80 Skywatcher GoTo Telescopes This innovation protects your eyepiecesBaader AstroSolar Binocular Filter 80mm For 70 90mm Binoculars Safe solar observation with all types of binoculars safe solar photography with all camera lenses AstroSolar Safety Film OD 5. 0, mounted stress free in high quality cell One side of filter cell shortened for use with binoculars. Two filters are mandatory for binocular observation, mentioned price is for one piece only Scope of supply: ASBF Filter (Apertures 50 to 100mm) come with three