SVBONY SA201 Marine Binoculars Waterproof, 7x50 FMC BAK4 Porro Prism Binoculars with Harness Strap, …See more

The optical design with a large 50mm objective lens can also make SA201 marine binoculars for boating work better at dusk or early morning when the light is relatively dark.

With compass can be used to lock the target distance and position，provide direction for you to move forward.

1 Large objective lens 2 Fold down 3 With neck strap 4 Threaded interface The optical design with a large 50mm objective lens can also make SA201 marine binoculars for boating work better at dusk or early morning when the light is relatively dark.