Description
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.
Additional Resources