A range of optics designed specifically for marine applications.
For over a decade, Endurance ED optics have been renowned for incredible performance and reliability. Now, with the introduction of the Marine range, we have grown upon this award winning selection with optics that are specifically designed for marine and boating applications.
With a range of models to choose from, the Marine Optics family feature binoculars and monoculars to suit any requirement.
Advanced BAK~4 roof prism optical systems make far more compact, modern and lightweight optics than the industry norm.

7x Magnification Perfect For Marine Applications
Extra~Low Dispersion ED Glass
Phase Corrected
High Resolution Phase Corrected BAK~4 Roof Prisms
Twist~Up Eye Cups With Position Stops
Stay~On Lens Covers
Floating Neck Strap

Nitrogen purged. Waterproof. Fog proof.
Hawke No~Fault Lifetime Warranty.

Optical System
System H5
Magnification7x
Objective Lens 32mm
Colour BlueLens
Coating Fully Multi~Coated
Field of View 435ft at1000yds 145m at1000yds
Field of View 8.3°
Apparent Field of View 58°
Eye Relief 17mm
Exit Pupil 4.6mm
Interpupillary Distance 75mm
Close Focus 2m
Prism Type Roof
Prism Glass BAK 4
Prism Coating Silver Mirror Coating
Eye Cups Twist~Up
Diopter Type Right Eye
Tripod Mounting Thread Yes ¼ inch ~ 20 UNC
Height 122mm
Width 110 ~ 131mm
Weight 545g