Canon PowerShot G2 serial number 4534505889. Imatest 1.5.5											Dynamic Range
Lens	Focal length	Target distance	ISO	Aperture	Shutter	File#	Crop length	Crop height	gamma	Zones detected	Total	Low	Medium	Medium-high	High
7-21mm f2/2.5 integral	14.6	0.71m	50	f5	1/50	2148	1551	105	0.636	36.7	12.50	10.90	9.57	8.48	6.64
7-21mm f2/2.5 integral	14.6	0.71m	50	f4.5	1/50	2149	1566	110	0.626	25.2	10.70	10.30	9.61	8.86	6.63
7-21mm f2/2.5 integral	14.6	0.71m	50	f4	1/50	2150	1554	107	0.625	31.9	11.60	11.00	9.88	8.50	7.14
7-21mm f2/2.5 integral	14.6	0.71m	50	f3.5	1/50	2151	1546	97	0.591	25.7	11.20	10.50	9.84	8.57	7.07
7-21mm f2/2.5 integral	18.8	0.77m	50	f5	1/50	2161	1877	128	0.626	24.9	10.60	10.00	9.43	8.50	6.69
7-21mm f2/2.5 integral	18.8	0.77m	50	f4.5	1/50	2162	1875	120	0.608	26.8	11.60	10.70	9.68	8.31	6.91
7-21mm f2/2.5 integral	18.8	0.77m	50	f4	1/50	2163	1877	130	0.621	36.7	12.20	10.40	9.59	8.15	7.07
7-21mm f2/2.5 integral	18.8	0.77m	50	f3.5	1/50	2164	1872	128	0.601	24.4	10.10	-	9.41	8.73	7.07
7-21mm f2/2.5 integral	18.8	0.77m	50	f5	1/50	2166	1869	123	0.625	27.9	12.20	10.50	9.59	8.35	6.65
7-21mm f2/2.5 integral	18.8	0.77m	50	f4.5	1/50	2167	1875	123	0.608	23.8	11.60	10.40	9.60	8.32	6.91
7-21mm f2/2.5 integral	18.8	0.77m	50	f4	1/50	2168	1875	125	0.601	27.8	10.90	10.40	9.75	8.08	7.05
7-21mm f2/2.5 integral	18.8	0.77m	50	f3.5	1/50	2169	1879	127	0.626	28.4	10.80	-	9.76	8.62	7.01
sRGB. Large fine JPG. Custom white balance. Manual exposure. File# <2152: individual autofocus; File# >2152: fixed focus.							Av		0.62	28.35	11.33	10.51	9.64	8.46	6.90
							StDev		0.01	4.47	0.74	0.29	0.15	0.23	0.20