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Digital camera connectivity explained in intricacy

By Jakob Jelling

In a complicated and intricate subject matter such as the digital camera, the importance lies in the fact that a lot remains to be explored in order to understand the device in a greater understanding and make it more and more popular among the users as well as the photographers. Such a topic is camera connectivity. In a formal definition the fact that comes out proves that a digital camera's connectivity defines how it can be connected to other devices for the transfer, viewing, or printing of images, and to use the camera for remote capture. A greater intimate discussion is revealed in the following lines of this discussion in order to make the readers as well as the users more and more knowledgeable.

Early digital cameras used slow RS232 serial connections to transfer images to their personal computer. Most digital cameras now feature USB 1.1 connectivity, with higher end models offering USB 2.0 and Fire Wire (IEEE 1394) connectivity. Manufacturers generally bundle such cameras with cables and driver software. It must be noted here that real transfer rates are always lower than the theoretical transfer rates indicated. Practical transfer speeds depend upon the computer hardware and software configuration, the type of camera used, the type and quality of the storage card, whether the user or photographers are reading or writing, here it can be said that reading is faster than writing, the average file size a few large files transfer faster than many small ones etc. Instead of connecting the camera with a cable to the personal computer a user or photographer can also insert the storage card into the PC Card slot of a notebook or a dedicated card-reader.

Looking at the digital camera connectivity, a transfer rate of 1 Megabit per second (Mbps) equals 128 Kilobytes per second (KB per sec) and is able to transfer 7.5 Megabytes of information per minute or about four 5 mega pixel JPEG images. A few examples to demonstrate are USB 2.0 - Low-Speed = USB 1.1 Minimum 1.5 Mbps
USB 2.0 - Full-Speed = USB 1.1 Maximum 12 Mbps and USB 2.0 - High-Speed 480 Mbps. On some cameras, the connection to transfer images can also be used for remote capture and time-lapse applications. Most digital cameras also provide video and sometimes audio output for connection to a TV or VCR. More flexible digital cameras allow a person to switch output between the PAL and NTSC video standards. Cameras with infrared remote controls make it easy to do slideshows at the tips of fingers too.

Again the above discussion has helped a lot of hidden information to be exposed into the harsh but honest strength of light and truth so that all the users or photographers utilizing digital cameras better understand the delicate yet intricate knowledge regarding the digital camera connectivity!

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