163Menu Guide > C The Photo Shooting MenuPhotographs are saved using file names consisting of “DSC_” or,in the case of images that use the Adobe RGB color space(0 180), “_DSC”, followed by a four-digit number and a three-letter extension (e.g., “DSC_0001.JPG” or “_DSC0002.JPG”). TheFile naming option is used to select three letters to replace the“DSC” portion of the file name as described in “Text Entry”(0 160).The camera offers a choice of the following image areas:File NamingG button ➜ C (photo shooting menu)D ExtensionsThe following extensions are used: “.NEF” for NEF (RAW) images, “.TIF”for TIFF (RGB) images, “.JPG” for JPEG images, “.MOV” for MOV movies,“.MP4” for MP4 movies, and “.NDF” for dust off reference data. In eachpair of photographs recorded at image-quality settings of NEF(RAW)+JPEG, the NEF and JPEG images have the same file names butdifferent extensions.Choose Image AreaG button ➜ C (photo shooting menu)Option Descriptionc FX (36×24)Images are recorded in FX format with an angle ofview equivalent to a NIKKOR lens on a 35 mmformat camera.a DX (24×16)Images are recorded in DX format. To calculate theapproximate focal length of the lens in 35 mmformat, multiply by 1.5.b 5 : 4 (30×24) Pictures are recorded with an aspect ratio of 5 : 4(Z 7 only).m 1 : 1 (24×24) Pictures are recorded with an aspect ratio of 1 : 1.Z 16 : 9 (36×20) Pictures are recorded with an aspect ratio of 16 : 9.
