Use extra tags

[Giessie]

Hi all,

Since last week I own a Ricoh GRIII and I noticed that Ricoh does things different then my Sony (A7IV) with RAW files. Looking at the exif data I noticed that there should be a possibility to solve it. But as a newbie I don't know if my logic is right.

What is the case. On camera it is possible to shoot in crop. This is usefull as you can compose the image on the selected crop size. On Sony I can choose for example a 1:1 crop. And on the Ricoh I can choose a 35mm crop.
I shoot in RAW format on both camera's. The difference is that with the Sony RAW file I can adjust the crop afterwards in LightRoom (LR), where the whole 3:2 format file is available. Very handy for some fine tuning on the crop.
Ricoh also saves the complete 3:2 RAW file but this cannot be adjusted in LR.

Looking in both Exif data I noticed that the Sony RAW has the following extra tags:

• SonyCropTopLeft
• SonyCropSize

These two tags hold the information of the cropped picture.

• DefaultCropOrigin
• DefaultCropSize

Hold the original file format of the Sony.

Are there tags which can hold the cropped information besides the original format information, like Sony does.
Or can I just add the Sony tags to the Ricoh Exif data?

Here is the exif data I talk about.

Sony cropped 1:1

Code Select Expand

DefaultCropOrigin               : 12 8
DefaultCropSize                 : 7008 4672
SonyCropTopLeft                 : 1180 8
SonyCropSize                    : 4672 4672
Ricoh at 28mm, uncropped

Code Select Expand

DefaultCropOrigin               : 10 12
DefaultCropSize                 : 6000 4000
Ricoh at 35 mm, cropped

Code Select Expand

DefaultCropOrigin               : 610 412
DefaultCropSize                 : 4800 3200
Thanks Jeroen

StarGeek Edit: Edited to correct formatting.

[StarGeek]

Use the command in FAQ #3 to see the locations of those tags, as well as duplicate tags.

The ones with Sony in the name are probably Sony Makernotes.  Those cannot be created or deleted.