Mouse Over to Zoom
Click to Enlarge

WEST MARINECoastal 400 7 x 50 Waterproof Binoculars


In stock online.
Model # 18407650 | Mfg # 81108UPC # 25282184842


Coastal 400 7 x 50 Waterproof Binoculars

Name Value
Binocular Eye Relief 19.5 Millimeters
Focus Center
Light Transmission Efficiency 0.9
Magnification 7 x 50
Prism Type BaK-4 Porro
Warranty Details Limited Lifetime
Weight 29 Ounces

Product Overview

Internal center focusing, simple adjustment, enhanced waterproofing and a clean appearance.

A compact, light and convenient pair of waterproof binoculars, the Coastal 400 binoculars are an excellent choice for boating or other rugged outdoor activities. Nitrogen-charged interior eliminates fogging on internal lens surface. BAK-4 prisms for bright, sharp images. Rubber-coated body for shock resistance.

Key Features
  • Internal center focusing: Simple adjustment, enhanced waterproofing and a clean appearance
  • Nitrogen charged interior: Eliminates fogging on internal lens surfaces even in severe conditions
  • BAK-4 Porro prism: For bright, sharp images across the field of view
  • Rubber armored body delivers great shock resistance and a secure, slip-free grip
  • 7 x 50 binoculars: Best size for all-around use onboard the moving deck of a boat
  • IPX7 Waterproof rating: Submersible for 30 minutes at a depth of one meter

Owner's Manual

 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Related West Advisor Articles


Product Q & A