Bisley Scope Maximizer
By cupping the eye and obliterating exterior light this scope accessory forces the eye to adjust to obtain the maximum amount of light through the scope.
Tests have resulted in extended use of twilight by up to 15 minutes of extra time.
This will fit 98% of scopes and suits most shooters including left handers and those who don’t wear glasses.
Use spaces to separate tags. Use single quotes (') for phrases.