Kritz Cam provides a number of tools and presets for easy camera manipulation in Blender. It ‘s compatible with Blender 2.91. matiaskritz writes: Features: Easy Camera focus Easy Camera focus Constraint 7 Fixed focal lenghts 11 F-Stops Easy switching between navigation modes
from BlenderNation https://www.blendernation.com/2020/12/09/free-add-on-kritz-cam-easy-camera-settings-for-blender/
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