Yes binoculars can be reused. There is a national scheme.
REUSE
Binoculars, telescopes and tripods can be donated to the RSPB where they will be used for conservational or educational projects.
Send them to: Royal Society for the Protection of Birds, Second-hand Binocular Scheme, Unit 17, St Martins Business Centre, St Martins Way, Bedford, MK42 0LF.