Projection Distance conversion formula

Zoom Lens 1.27 times:
4: 3 mode
Recent (note: the unit is in the same inch) = (0.0367 * size [Note: the unit is in the same inch]-0.0529)/0.3048
Farthest = (0.0472 * size-0.0517)/0.03048

16: 9 Mode
Recent = (0.04 * size-0.0523)/0.3048
Farthest = (0.0514 * size-0.0516)/0.3048

Zoom Lens 1.25 times:
4: 3 mode
Recent = (0.0302 * size-0.035)/0.03048
Farthest = (0.0377 * size-0.035)/0.3048
16: 9 Mode
Recent = (0.0329 * size-0.035)/0.3048
Farthest = (0.041 * size-0.035)/0.3048
Zoom Lens 1.2 times:
4: 3 mode
Recent (in meters) = 0.033 * size-0.0546
Farthest (in meters) = 0.0396 * size-0.0546