Table 1.

Cone contrast for L-,M-, and S-cones when the eye is focused at 420 nm, 555 nm, and 650 nm. These cone contrasts are for the normal M-cone function with a peak of the extinction function at 530 nm.

Focus at 420 nm		1c/d	3c/d	6c/d	10c/d	15c/d	30c/d	60c/d
	L	0.96	0.67	0.11	−0.11	0.06	0.00	0.00
	M	0.96	0.72	0.20	−0.09	0.03	0.01	0.00
	S	0.99	0.93	0.76	0.45	0.38	0.19	0.17
Focus at 555 nm		1c/d	3c/d	6c/d	10c/d	15c/d	30c/d	60c/d
	L	1.00	0.99	0.94	0.86	0.75	0.44	0.21
	M	1.00	0.99	0.94	0.88	0.78	0.50	0.27
	S	0.98	0.82	0.48	0.08	−0.03	−0.01	0.02
Focus at 650 nm		1c/d	3c/d	6c/d	10c/d	15c/d	30c/d	60c/d
	L	1.00	0.97	0.82	0.61	0.40	0.18	0.06
	M	0.99	0.94	0.76	0.47	0.21	0.05	0.02
	S	0.95	0.63	0.15	−0.06	0.01	0.00	0.00