Table 2.

Table of ISBM gain coefficients and ratios of experimental gain coefficient to theoretical gain coefficient for different magnifications.

Magnification	Experimental gain coefficient (/W)	Theoretical gain coefficient (/W)	Ratio
2/5	0.0033	0.0045	0.73
1/3	0.0045	0.0053	0.85
4/15	0.0062	0.0067	0.93
7/30	0.0070	0.0076	0.92