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286.

Color information

295.

Record mode

347.

Tone curve

348.

Sharpness frequency

349.

Picture style

673.

A tag for Exif users to write keywords or comments on the image besides those in <ImageDescription>, and without the character code limitations of the <ImageDescription> tag. The character code used in the <UserComment> tag is identified based on an ID code in a fixed 8-byte area at the start of the tag data area. The unused portion of the area is padded with NULL ("00.h"). ID codes are assigned by means of registration. The designation method and references for each character code are given in Table 6. The value of CountN is determined based on the 8 bytes in the character code area and the number of bytes in the user comment part. Since the TYPE is not ASCII, NULL termination is not necessary (see Fig. 9). The ID code for the <UserComment> area may be a Defined code such as JIS or ASCII, or may be Undefined. The Undefined name is UndefinedText, and the ID code is filled with 8 bytes of all "NULL" ("00.H"). An Exif reader that reads the <UserComment> tag must have a function for determining the ID code. This function is not required in Exif readers that do not use the <UserComment> tag (see Table 7). When a <UserComment> area is set aside, it is recommended that the ID code be ASCII and that the following user comment part be filled with blank characters [20.H].

802.

Film simulation Mode

908.

Whitebalance fine adjustment