Lenses that support changes in the AF speed mm f/4L IS II USM EF 600mm f/4L IS II USM EF 8-15mm f/4L fisheye USM EF 16-35mm f/4L IS USM EF 24-70mm f/2.8L II USM EF 24-70mm f/4L IS USM EF 70-200mm f/2.8L IS II USM EF 70-300mm f/4-5.6 L
For hazy sunlight (with weak shadows) use f/11. In cloudy bright conditions (with no shadows) try f/8. On heavily overcast days or in open shade, f / 5.6 is required.
Tips on Using the Image Stabilizer The Image Stabilizer also operates when the lens is used with extension tube EF12 II or EF 25 II or the extender EF 1.4x III or EF 2x III. Depending on the camera there may be image shake, such as after releasing the shutter. However, this does not affect shooting.