Rational functional concept! The subjects can be easily and quickly adapt to the needs of the respective tours. All the equipment is stored safely and well protected from damage by the padding. A large stand can be removed and transported easily. The camera and 3 - 4 objectives find a lot of space here. The accessories can be easily and simply stored. By small compartments to cleaning accessories and further equipment can be easily stowed away. My backpack is Stetz ready for use and can be worn by shoulder, chest and waist strap wonderfully well on mountainous routes.