/usr/share/blender/scripts/presets/camera/ is in blender-data 2.69-4ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/blender/scripts/presets/camera/APS-C_DSLR.py
/usr/share/blender/scripts/presets/camera/Blender.py
/usr/share/blender/scripts/presets/camera/Canon_1100D.py
/usr/share/blender/scripts/presets/camera/Canon_1D.py
/usr/share/blender/scripts/presets/camera/Canon_1DS.py
/usr/share/blender/scripts/presets/camera/Canon_500D.py
/usr/share/blender/scripts/presets/camera/Canon_550D.py
/usr/share/blender/scripts/presets/camera/Canon_5D.py
/usr/share/blender/scripts/presets/camera/Canon_600D.py
/usr/share/blender/scripts/presets/camera/Canon_60D.py
/usr/share/blender/scripts/presets/camera/Canon_7D.py
/usr/share/blender/scripts/presets/camera/Nikon_D300S.py
/usr/share/blender/scripts/presets/camera/Nikon_D3100.py
/usr/share/blender/scripts/presets/camera/Nikon_D3S.py
/usr/share/blender/scripts/presets/camera/Nikon_D5000.py
/usr/share/blender/scripts/presets/camera/Nikon_D5100.py
/usr/share/blender/scripts/presets/camera/Nikon_D7000.py
/usr/share/blender/scripts/presets/camera/Nikon_D90.py
/usr/share/blender/scripts/presets/camera/Red_Epic.py
/usr/share/blender/scripts/presets/camera/Red_One_2K.py
/usr/share/blender/scripts/presets/camera/Red_One_3K.py
/usr/share/blender/scripts/presets/camera/Red_One_4K.py
/usr/share/blender/scripts/presets/camera/Sony_A55.py
/usr/share/blender/scripts/presets/camera/full_frame_35mm_film.py
/usr/share/blender/scripts/presets/camera/micro_four_thirds.py
/usr/share/blender/scripts/presets/camera/super_16_film.py
/usr/share/blender/scripts/presets/camera/super_35_film.py