The Canon Top Twin, known as Sure Shot Tele in America and Autoboy Tele in Japan, is an enthusiast's autofocus compact camera from 1986. A switch on the back selects between the two focal lengths: a 40 mm f/2.8, 4 elements, 3 groups moderate wide-angle configuration and a 70 mm telephoto f/4.9, 7 elements, 6 groups lens. The lens switches to the 70mm configuration by extending 1 ¼”. The lens also has a 40.5 mm thread for various filter application. The built-in lens cover switch on the side of the lens barrel opens the lens barrier and also serves to turn on a built-in soft filter for portraits. Furthermore, it has a backlight compensation mode and a button for multiple exposures. The multiple exposure modes can be used with an additional trick filter to make composite exposures. The camera also features autofocus from 0.96 m to infinity, focus confirmation plus proximity warning in finder, auto-exposure from EV 6–18, shutter speeds for 40mm 1/8 of a second at ƒ/2.8 plus 1/500 of a second at ƒ/22; Tele is 1/3 of a second at ƒ/4.9 plus 1/350 of a second at ƒ/27, built-in flash with flash-ready LED in the viewfinder, DX coding at ISO 100, built-in timer, ¼” x ¾” LCD mode screen, and auto film advance plus rewind. The camera is powered by one 6V 2CR5 lithium battery but requires a small Philips head screwdriver to replace. The dimensions are 134 x 78.7 x 61.8 mm and the weight is 400 g without the battery.