The 8x42s also sport the same high-end construction as the others in the Premier line, namely: phase-corrected prisms, a die-cast magnesium body and 100% resistance to water and fog.
The Premier 8x42s sport a roof prism system design which offers a slimmer body than porro prism binoculars but typically at the cost of image quality. However, the Premier 8x42s' phase-corrected prisms adjust for this, providing enhanced resolution and contrast compared to low-end roof prism binoculars. Their die-cast magnesium body allows the Premier 8x42s to stand up to a lot more damage than lower grade binoculars while minimizing added weight. Additionally, the Premier 8x42s are O-ring sealed and nitrogen purged, making them 100% water and fog-proof, allowing them to withstand even full submersion in water.