The Steiner 5003 Scope is loaded up with all the great features of its bretheren it's waterproof fog proof easily adjustable with .25 MOA adjustments offers up to 4 inches of eye relief plus it has side parallax adjustment from 50 yards to infinity. The Steiner 4-16x Predator Extreme Zoom Scope includes Steiner's CAT technology which enhances color contrast so you can find your target more easily even in tougher environments like treelines. This Steiner Scope won't weigh down your hunting rifle and will let you make on-the-fly adjustments with ease even with bulky cold weather gloves on. Mount up the Steiner 4x-16x 50mm Rifle Scope and take your hunt to a new level of clarity.