Favorite Focal Length

Find out your favorite camera focal length and many other interesting facts about you and your cameras by scanning all your photos.

Demo

• Images: https://sunnyspeed.com/share/20200605-sony-a7r3/output.html
• Videos: https://sunnyspeed.com/share/20200722-sony-video/output.html

Quick Guide

1. Install exiftool for retrieving exif info from photo https://exiftool.org/

2. Install pygal for generating charts pip install pygal http://www.pygal.org/

3. Check out this repo

4. Make changes

   • [imgFolders] It can be a list of folders, but no need to include subfolders. (Subfolders are scanned automatically)
   • [imgExtensions] Add as needed
   • [exiftoolPath] Include the full path with .exe if running on Windows

5. Run

   • python3 image.py or python image.py for images
   • python3 video.py or python video.py for videos (only tested for sony camera)

6. The result is also generated as an HTML file in the same directory

Notes

• Python 3 is recommended.
• Try to scan one camera at a time, or cameras with same sensor size.
• The focal length is not converted if it is not in 35mm full frame.
• Only tested for very limited cameras. (Sony and Canon)
• If got an error on the .pkl file, please delete the .pkl file and try again.