10x magnification High index porro prisms for sharp resolution Fully coated 50mm objective lenses ergonomically designed with non slip rubber armor waterproof, fogproof, dustproof, and shock resistant
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
