The SLC 10x42 are real multipurpose binoculars that have had their optics and coating system optimized specifically for contrast and focus. This model also stands out for having a large field of view and being extremely rugged thanks to its magnesium housing. The Swarovski SLC 10x42 W B 58310 is a sturdy, multipurpose pair of binoculars. They are rugged and prepared for any weather conditions. The superior optics quality allows in lots of light and offers a wide field of view. The Swarovski SLC 10x42 W B has an ergonomic design that makes it comfortable to hold and view for long periods of time.