Canon EOS C300 Mark II Instruction Manual page 245

Appendix: Camera Dimensions
Unless indicated with the " (inch) mark, all units are in mm.
Front
87.6
Rear
22.2
4x M4 7.5
Lens
attachment plane
60.2
65
152.6
22.2
represents the depth of a hole or socket.
Top
1/4" 6
12.7
44
Left
3.8
Lens
attachment plane
Bottom
3/8" 10
∅ 5.4
10
1/4" 7
5.4 x 6.4 4
14
7.5
33.65
14.85
Right
Appendix: Camera Dimensions
M4 8
88.5
46
1/4" 6.7
6x 1/4"
25.4
50.8
164.1
167.8
3x 1/4" 7.5
53.85
1
26.5
245
9