Sensor Sizes

	A	B	C	E	F	G	H	I	J	K	L	N	O	P	Q	R
1		Arjun's ISO Proposal		Real Values								Example
2	"Imperial" Name	ISO Name (short)	Descriptive name	Width (mm)	Height (mm)	Diagonal (mm)	Aspect Ratio (X:3)	Aspect Ratio	Area (mm²)	Area Scale (full frame eqv)	Crop factor (full frame eqv)	Megapixels	Resolution (width)	Resolution (height)	Density (pixels/mm²)	Full Name

3	1/2.5"	25-4:3	25mm² (4:3)	5.76	4.29	7.18	4.03	4:3	24.71	0.03	0.17	12	4,013.96	2,989.57	485,625.49	25mm² (4:3) @485.6k pixels/mm²
4	1/1.8"	43-4:3	43mm² (4:3)	7.6	5.7	9.50	4.00	4:3	43.32	0.05	0.22	12	4,000.00	3,000.00	277,008.31	43mm² (4:3) @277k pixels/mm²
5	2/3"	57-4:3	57mm² (4:3)	8.6	6.6	10.84	3.91	4:3	56.76	0.07	0.25	12	3,954.28	3,034.68	211,416.49	57mm² (4:3) @211.4k pixels/mm²
6	1"	116-3:2	116mm² (3:2)	13.2	8.8	15.86	4.50	3:2	116.16	0.13	0.37	24	6,000.00	4,000.00	206,611.57	116mm² (3:2) @206.6k pixels/mm²
7	Four Thirds	225-4:3	225mm² (4:3)	17.3	13	21.64	3.99	4:3	224.90	0.26	0.50	20	5,159.01	3,876.71	88,928.41	225mm² (4:3) @88.9k pixels/mm²
8	Foveon	286-3:2	286mm² (3:2)	20.7	13.8	24.88	4.50	3:2	285.66	0.33	0.57	24	6,000.00	4,000.00	84,015.96	286mm² (3:2) @84k pixels/mm²
9	APS-C (Canon)	329-3:2	329mm² (3:2)	22.2	14.8	26.68	4.50	3:2	328.56	0.38	0.62	24	6,000.00	4,000.00	73,046.02	329mm² (3:2) @73k pixels/mm²
10	APS-C	371-3:2	371mm² (3:2)	23.6	15.7	28.35	4.51	3:2	370.52	0.43	0.66	26.2	6,275.62	4,174.88	70,711.43	371mm² (3:2) @70.7k pixels/mm²
11	APS-H (Canon)	545-3:2	545mm² (3:2)	28.7	19	34.42	4.53	3:2	545.30	0.63	0.80	24	6,021.02	3,986.04	44,012.47	545mm² (3:2) @44k pixels/mm²
12	35mm (Full Frame)	864-3:2	864mm² (3:2)	36	24	43.27	4.50	3:2	864.00	1.00	1.00	61	9,565.56	6,377.04	70,601.85	864mm² (3:2) @70.6k pixels/mm²
13	Medium Format (Small, 3x4)	1441-4:3	1441mm² (4:3)	43.8	32.9	54.78	3.99	4:3	1,441.02	1.67	1.27	101.75	11,638.75	8,742.35	70,609.71	1441mm² (4:3) @70.6k pixels/mm²
14	Medium Format (Large, 4x5.4)	2169-4:3	2169mm² (4:3)	53.7	40.4	67.20	3.99	4:3	2,169.48	2.51	1.55	24	5,648.10	4,249.22	11,062.56	2169mm² (4:3) @11.1k pixels/mm²
15	Medium Format (6x9)	5400-3:2	5400mm² (3:2)	90	60	108.17	4.50	3:2	5,400.00	3.75	2.50	24	6,000.00	4,000.00	4,444.44	5400mm² (3:2) @4.4k pixels/mm²
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