Reusable digital camera that prevents unauthorized use Digital camera with light adjusting control of flash Method and system for enabling the use of single use reloadable digital camera Digital camera capable of forming a smaller motion image frame Digital camera device for facilitating a recovery and recycling system Digital camera image data processing storage and printing system Image file management within a digital camera Digital camera having multiple displays Digital camera having a position sensor Digital camera and document processing system using the digital camera Dual mode digital camera for video and still operation Method and apparatus for reproducing image from data obtained by digital camera and digital camera used therefor Close-up attachment for a digital camera Method and system for creating a slide show with a sound track in real-time using a digital camera Digital camera selectively powered by an internal and an external power supply Digital camera for outputting digital image signals and image reproducing device connectable thereof Method, system, and computer readable medium for controlling a digital camera to avoid blurring of a photograph Digital camera and external device for image storage and camera control Producing panoramic digital images by digital camera systems Digital camera with changeable processing depending on display device Method and system for providing application launch by identifying a user via a digital camera, utilizing an edge detection algorithm Digital camera providing image processing for an attachable printer Digital camera having inclination sensor