For the keyword , the free fSpy combined with the manual script export remains the most powerful, accessible solution on the market.
Using fSpy with 3ds Max gives accurate camera matching for compositing and visualization. For reliability, use the Blender bridge (fSpy add-on → FBX) or carefully transfer focal length, sensor size, position, rotation, and principal point from fSpy's output into a 3ds Max Physical Camera. fspy 3ds max top
: It can optionally import the unit system from your fSpy project to ensure correct scaling. For the keyword , the free fSpy combined