A high performance 2X tele-convertor designed by Carl Zeiss especially for use with telephoto lenses. Use is limited to certain lenses but new optical technology has produced a superbly effective configuration.
Lens Composition: 7 elements, 4 groups
Exposure Magnification: 4X
Diaphragm Action: Fully Automatic
Weight: 300 grams (10.6 oz)
Lens Pouch: No 1
Size: 64.5x51 mm (2-9/16x2 in)