The Hawke 58210 (Endurance EDX / Frontier ED X) 15–35x56 is a compact, packable spotting scope engineered for mid-to-long-range observation. Featuring an optical design built around Extra-Low Dispersion (ED) glass, lanthanum ocular elements, and phase-corrected, dielectric-coated BAK-4 roof prisms, it delivers sharp chromatic resolution across variable field environments. Measuring 265 mm in length and weighing 1,005 g, it bridges the performance gap between handheld binoculars and full-size spotting scopes, offering variable magnification from 15x up to 35x without adding excessive pack weight. The optic is nitrogen-purged for waterproof and fogproof reliability in adverse conditions.

Key Features

• High-Resolution Optical System: Extra-Low Dispersion (ED) glass with dielectric-coated BAK-4 prisms and fully multi-coated (FMC) lenses minimise chromatic aberration and maximise light transmission.
• Field-Ready Portability: A total weight of 1,005 g and length of 265 mm make it easy to pack into standard hunting packs and gear bags.
• Central Focus Wheel: Smooth barrel-style focus mechanism allows rapid adjustment from a minimum close-focus distance of 4 m out to infinity.
• Versatile Mounting Base: Features an integrated Arca-Swiss mounting foot along with a standard 1/4"-20 UNC tripod thread for direct attachment to photo heads and hunting tripods.
• All-Weather Reliability: Nitrogen-purged body provides complete waterproof and fogproof internal protection.

Specifications

• Magnification: 15–35x
• Objective Lens Diameter: 56 mm
• Prism Type: BAK-4 (Phase Corrected, Dielectric Coated)
• Lens Coating: Fully Multi-Coated (FMC) with ED Glass & Lanthanum Elements
• Field of View: 70–36.7 m @ 1,000 m (4.0° – 2.1°)
• Close Focus: 4 m (13 ft)
• Eye Relief: 18 mm
• Exit Pupil: 3.7 mm – 1.6 mm
• Length: 265 mm
• Weight: 1,005 g
• Mount Interface: 1/4"-20 UNC thread and integrated Arca-Swiss foot

Who is the Hawke Endurance EDX 15-35x56 Spotting Scope for?

• Backcountry hunters — Benefits from a compact 265 mm overall length and a 1,005 g carry weight, allowing users to pack a 15–35x magnification spotting scope across steep, uneven terrain without the fatigue of carrying a full-size optic.
• Target shooters — Relies on the 15–35x zoom range and 56 mm objective lens to clearly resolve shot placement and evaluate target impacts at typical mid-range distances.
• Wildlife stalkers — Leverages the 4 m close focus capability alongside the 15–35x56 optical configuration for tracking fast-moving subjects from near brush out to distant ridges during all-day mobile observation.

Less suitable for: Identifying ultra-fine bullet holes beyond 500–600 m, where a larger spotting scope featuring a 65–85 mm objective lens and 60x–75x magnification is better suited.