So I was asked to measure the fields at 50 and 75. Here they are:

50

Left field line 256.10
Left Center (opening) 266.2
Center 333
Right Center (3rd tree) 230.1
Second Tree 217.3
Right field line 211.8
Pitchers mound 47 ft
Bases 60 ft

75

Left field line 266.4
Left center ( opening) 293.9
Center 344
Right Center (white pole) 228
Ramp 181
Right Field line 197
Pitchers mound 47 ft
bases 60 ft