button 5 is higher than lower sides of the telephoto button 1 and the wide angle button 3 allowing the user to push the shutter release button 5 easily without touching the telephoto button 1 or the wide angle button 3 in other words the shutter release button 5 includes a first portion having a first distance from the main body 102 the first portion being more distant from the main body 102 than any remaining portion of the shutter release button 5 the telephoto button 1 includes a second portion having a second distance from the main body 102 the second portion being more distant from the main body 102 than any remaining portion of the telephoto button 1 and the wide angle button 3 includes a third portion having a third distance from the main body 102 the third portion being more distant from the main body 102 than any remaining portion of the wide angle button 3 wherein the first distance from the main body 102 is less than the second distance from the main body 102 and the first distance from the main body 102 is less than the third distance from the main body 102 with the switch assembly shown in fig2 and 3 the user may easily move his or her finger from the shutter release button 5 to find the telephoto button 1 and the wide angle button 3 by feel because the top surfaces of the telephoto button 1 and the wide angle button 3 are inclined these buttons can be pushed easily by gliding the finger from the shutter release.