Nikon D7500 Reference Manual - English - Page 38

❚❚ NEF (RAW) Bit Depth Option q 12-bit r 14-bit Description NEF (RAW) images are recorded at a bit-depth of 12 bits. NEF (RAW) images are recorded at a bit depth of 14 bits, producing files larger than those with a bit depth of 12 bits but increasing the color data recorded. ISO Sensitivity Settings G button ➜ C photo shooting menu Adjust ISO sensitivity settings for photographs. Option Description Adjust ISO sensitivity. Select from values between ISO sensitivity ISO 100 and 51200. Settings of from about 0.3 to 1 EV below ISO 100 and 0.3 to 5 EV above ISO 51200 are also available for special situations. If On is selected, the camera will automatically adjust ISO sensitivity when optimal exposure can not be achieved at the value selected for ISO sensitivity. You can choose the maximum sensitivity to prevent Auto ISO sensitivity control ISO sensitivity being raised too high and the shutter speed below which auto ISO sensitivity control will kick in to prevent under exposure in modes P and A (the minimum shutter speed; choose from values between 1/4000 s and 30 s). The maximum ISO sensitivity for photos taken with a flash can be selected using Maximum sensitivity with M. 38 Menu Guide