Opticron Waterproof Case for MM4 77 Straight Green. These Opticron Spotting Scope Accessories are ideal for those outdoors enthusiasts who need to protect their spotting scopes at all costs. The company that makes these Spotting Scope Accessories is Opticron and these spotting scope accessories are the result of their determined endeavors to make sure you have the very best spotting scope instruments and accessories. You can also find a huge selection of spotting scope accessories and other products from Opticron in our online store. Package Contents: Opticron Waterproof Case Opticron 41233: Waterproof Case for MM4 77 Straight Green