Abstract: A system and method for organizing things (including persons, creatures, objects, thoughts, affairs, circumstances, actions, events, objectives, tasks, statements, attitudes, emotions, symbols, ideas, and information) using various relationships. Such a system and method may be used for documenting, searching, networking, and connecting, either individually or collaboratively. Such an Event Networking system, which encompasses events, persons, objects, activities, emotions, interests, etc., can be organized in relation to time, location, etc.

Abstract: A miniature tripod is mounted in a hollow handle of a main tripod for joint use therewith for increased versatility, as well as for removal therefrom for individual use.

Abstract: A miniature tripod is mounted in a hollow handle of a main tripod for joint use therewith for increased versatility, as well as for removal therefrom for individual use.

Abstract: A positioning wheel resiliently engages and moves an optical element to a selected position within a channel of a holder mounted in front of a camera lens. A brake mechanism prevents the optical element from accidentally falling out of the channel. A handle-operated camming mechanism provides for a quick lock/unlock interlock of a rotary holder in a desired angular orientation.

Abstract: Accessories are self-mounted on and removable from a camera by the use of locking portions which are resiliently and cantileverly mounted on each accessory.