Key Feature.

• The only 135mm telephoto lens in its class with image stabilization

• Extremely high light intensity of 1:1.8

• Optical image stabilization with up to 5.5 levels (8 levels combined with IBIS)

• Excellent close-up limit of up to 0.7m = scale 0.26x

• AF Motor: Nano USM, for fast, smooth and virtually silent focusing

• Configurable button pair + control ring (for controlling ISO, aperture and shutter )

• L-series dust and splash resistance

• Optical construction of 17 elements in 12 groups ( 3 UD special lenses)

• ASC-Coating (Air Sphere Coating) - Prevents glare reflections and stray light

• Angle of view: 15°, 10°, 18° (hor., vert., diag.)

• Minimum aperture: 22, number of aperture blades: 9