William Optics M48 Filter Adapters for Cat Eyes 2x42 Binoculars (Set of 2) - AD-2X42-M48

Expand the filter options for your William Optics Cat Eyes 2×42 binoculars with this dedicated M48 adapter set. These threaded rings fit the front objective filter mounts, allowing you to use standard 2-inch (M48 × 0.75) astronomy filters instead of the binoculars' native M44.5 threads. Highlights Designed specifically for William Optics Cat Eyes 2×42 binoculars (B-2X42-RD) Converts each objective's M44.5 × 0.75 filter mount to standard M48 × 0.75 (2-inch astronomy filter) threading 6 mm optical length Set includes two adapters: one for each binocular objective Ideal for adding compatible lunar, light-pollution or other visual astronomy filters, sold separately Specifications Manufacturer: William Optics Part number: AD-2X42-M48 Binocular-side thread: M44.5 × 0.75 Filter-side thread: M48 × 0.75 Optical length: 6 mm Package contents: 2 filter adapter rings Please note: Cat Eyes binoculars and 2-inch filters are not included. These adapters are not solar filters. Never aim binoculars at the Sun without properly certified, securely mounted front-objective solar filters.