Nikon 7x50IF HP WP Tropical with Scale BAA191EA dvogled MARINE IF HP series Waterproof up to 5m/16.4 ft. for 5 minutes and fog-free with nitrogen gas Horizontal and vertical scales for measuring dimensions or distances scale type High-eyepoint design for a clear field of view Large objective diameter for bright image Can be fixed to a tripod using optional tripod adaptor Polarising fil