Ray

Ray	Window	Reflected Image			Direct Image			Diff. (a) - (b) = D_m	Mean Deviation D_m
Ray	Window	MSR (Deg.)	VSD	T.R. (Deg.) (a)	MSR (Deg.)	VSD	T.R. (Deg.) (b)	Diff. (a) - (b) = D_m	Mean Deviation D_m
o-ray	W₁								41⁰
o-ray	W₂								41⁰
e-ray	W₁								42⁰
e-ray	W₂								42⁰