Part 2: The Functions - The Back

Canon EOS 10D
http://www.all-things-photography.com/images/rear-of-20d.jpg

First of all here, the first thing to look at is the viewfinder (#1), this is where you see what you would be taking a picture of, it also includes a focusing ring that you can see and other information like shutter speeds, aperture settings, and ect. Second is the dioptre adjustment (#2), this lets you adjust the viewfinder to your eyes, for instance if you are long or short sighted, this also lets you use the camera without using glasses or contacts. Third is the rubber eyecup (#3), this lets you mould around your eye getting rid of glares and bright lights. Next is the dial (#4) this joystick lets you navigate in the menu and view pictures. Next is zoom button (#5), this lets you zoom into pictures when viewing pictures on the LCD screen.  Next is the focus point selector (#6), this lets you select what points in the viewfinder you want your camera to focus on.

Seventh is the write indicator light (#7), this light flashes red when the card in the camera is writing data. Next is the select button (#8), this button appears different depending what camera you are using, this lets you select pictures and items in the menu. Next is the on and off button (#9), this obviously switches the camera from on to off. Tenth is the erase button (#10), this button lets you delete photos when viewing on the LCD screen. The play button (#11) lets you display photos on the screen and it displays the last image taken. Next the jump button (#12) is used to jump 2 or 3 images or menu items at a time. Next the info button (#13), when you press this it shows information of any image that you select, it tells you exposure settings, white balance, date/time, image size, flash details and ect. Next is the menu button (#14), this brings up the internal menu functions. Last is the LCD screen (#15) this displays images, the menu, and with some cameras display real time images.