Finally, a SLR lens case for your toughest photo assignments! BETA Shell lens cases take a serious approach to protecting your camera optics. Our water-tight rigid polymer shells are lined with vibration damping visco-elastic foam. This means total protection from moisture, impact, and extreme ambient temperatures. Now you can travel from the longest rivers to the highest mountains with confidence your camera lens will be there to catch the perfect shot! Rigid, waterproof lens case for the traveling professional or prosumer photographer. 4.140 Model is compatible with lenses with an external length of 91-133 mm and maximum external diameter of 87mm or less. Our most popular size - Ideal for large prime lenses & medium-sized zoom lenses.