The 8x25 Eterna Compact Binocular from Brunton is a pocket-sized yet durable multi-purpose binocular designed for a wide range of outdoor glassing tasks. Fully multicoated optics and phase-corrected BaK-4 prisms transmit bright images that are as rich in detail as they are in contrast. This model of the Eterna series is configured with 8x magnification, ideal for mid-range applications. The long eye relief, ergonomic composite body armor, and weatherproof construction make the Eterna a full-featured binocular ready for years of adventures. Brunton Outdoor Group has been designing and manufacturing outdoor sporting equipment since 1894; whether you are a bird watcher, hunter, or hiker, Brunton has been making gear for nature enthusiasts like you for over a century.
| Prism Type | Roof |
| Magnification | 8.0x |
| Objective Lens Diameter | 25 mm |
| Angle of View | 4.9° (actual) |
| Field-of-View | 270' @ 1000 yd / 89.64 m @ 1000 m |
| Minimum Focus Distance | 6' / 1.83 m |
| Exit Pupil Diameter | 3.1 mm |
| Eye Relief | 18.5 mm |
| Interpupillary Adjustment | Not Specified By Manufacturer |
| Dioptric Correction | Not Specified By Manufacturer |
| Focus Type | Center |
| Tripod Mount | None |
| Dimensions | 4.8 x 3.8 x 1.9" / 12.19 x 9.65 x 4.83 cm |
| Weight | 12 oz / 340 g |