This is the world's first autofocus reflex telephoto lens. Thanks to its space-saving catodioptric design, it is compact and lightweight. A convenient built-in focus-hold button is located at the side of the lens barrel for quick and sure operation. This lens can be used on the 3000i, 9000, 7000 and 5000 in manual-focusing mode.
Lens construction: 7 elements in 5 groups
Angle of view: 5 degrees
Minimum focusing distance: 13 feet
Minimum F/stop: F/8 fixed
Filter size: built-in
Weight: 23-7/16 oz.
Size: 3-1/8 in. dia by 4-5/8 in. long