With the OP/TECH USA SYSTEM CONNECTORS, the camera/binocular owner has several connection options. You can buy an extra set of connectors to customize the strap to best suit your needs. Straps can be lengthened to be worn across the chest or shortened to be worn at chest level. Another feature of the SYSTEM CONNECTORS is the small carrying handle created when the quick disconnects are latched together. The SUPER PRO System Connector fits most medium-format and 35mm cameras with connection lugs. It incorporates a stainless steel clip with unique locking slide to create a secure attachment. It"s available in sets of two. The SUPER PRO System Connector is available in Version A and Version B. Version A fits: Bronica (ETR and some ETRC), Hasselblad, Kiev and Pentax LX. Version B fits: Mamiya (except M645 Super and M645 Pro), Olympus IS1 and IS2, Pentax 6X7, Pentax 645 and Rollei.