Styrka Strong S9 15 x 56 ED Open Hinge Binoculars + Chest Harness Case KIT. Next are compact Abbe-Koenig roof prisms that are phase-corrected to improve image contrast, clarity, and brightness. This all translates to bright and clear high-contrast images with accurate colour across the entire wide field of view - especially at low light such as dawn and dusk, and heavily overcast skies.
eBay