Silva Binoculars Eterna Navigator

The Silva Eterna Navigator is a professional-grade marine binocular designed for sailors who demand precision navigation and directional awareness at sea. With a built-in, illuminated compass and superior optical performance, it delivers clear, stable images and accurate heading information in all conditions — ideal for offshore cruising and serious navigation.

Key Features:

• Integrated illuminated compass – the built-in 360° compass scale provides instant bearing reference. The illumination function ensures easy reading at dusk, dawn, or in low-light conditions.
• Individual focus system – once adjusted for each eye, the optics stay sharp across all distances without constant refocusing — perfect in rough seas.
• Marine-grade waterproof housing – fully sealed and nitrogen-filled for reliable use in saltwater environments.
• Twist-up rubber eyecups – ideal for users with or without glasses, maintaining full field of view.
• Ergonomic, non-slip grip – easy to handle in wet or rolling conditions.
• Complete kit – supplied with a neck strap, lens caps, cleaning cloth, carrying case, and two LR43 batteries for the compass.

Technical Specifications:

• Compass: Built-in illuminated 360° compass
• Focus system: Individual focus
• Battery: 2 × LR43 (included)
• Waterproof: Yes
• Floatable: No
• Intended use: Navigation and bearing reference for sailors, skippers, and motor cruisers

Comparison with Eterna Marine

Why Choose the Eterna Navigator

If you need precise bearing reference and navigation accuracy, the Eterna Navigator is the clear choice. It combines Silva’s renowned optical clarity with a built-in illuminated compass for confident course-keeping in any light. For users who prefer a lighter, floatable model without a compass, see the Silva Eterna Marine.