Nikon D500 Users Manual - English for customers in the Americas - Page 358

A Notes on Optional Flash Units (Continued) The SB-5000, SB-910, SB-900, SB-800, SB-700, SB-600, SB-500, and SB-400 provide red-eye reduction, while the SB-5000, SB-910, SB-900, SB-800, SB-700, SB-600, and SU-800 provide AF-assist illumination with the following restrictions: • SB-5000: AF-assist illumination is available when 24-135 mm AF lenses are used with the focus points shown below. 24-49 mm 50-84 mm 85-135 mm • SB-910 and SB-900: AF-assist illumination is available when 17-135 mm AF lenses are used with the focus points shown below. 17-19 mm 20-135 mm • SB-800, SB-600, and SU-800: AF-assist illumination is available when 24- 105 mm AF lenses are used with the focus points shown below. 24-34 mm 35-49 mm 50-105 mm • SB-700: AF-assist illumination is available when 24-135 mm AF lenses are used with the focus points shown below. 24-27 mm 28-135 mm Depending on the lens used and scene recorded, the in-focus indicator (I) may be displayed when the subject is not in focus, or the camera may be unable to focus and the shutter release will be disabled. 332