LensCoatA(R) for the Swarovski ATC 17-40x56 LensCoatA(R) spotting scope covers offers your valuable equipment some protection from scrapes and bumps, preserving its resale value. It also help break up the shape of your spotting scope, making it less noticeable to wildlife. The neoprene LensCoat acts as a thermal barrier making the spotting scope more comfortable to handle in hot and cold tempertures.