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* How to convert pixel count and size to Inches? (click to convert)

Image Sensor	Focal Lenght(mm)	View angle
Image Sensor	Focal Lenght(mm)	H	V	D
1/4" CCD	2.1	91.78	82.51	107.08
	2.5	81.83	72.78	97.35
	2.9	73.53	64.86	88.87
	3.1	69.91	61.45	85.06
	3.6	62.09	54.21	76.62
	4.3	53.50	46.40	66.97
	6	39.72	34.15	50.73
	8	30.32	25.95	39.15
	12	20.48	17.46	26.68
	16	15.43	13.14	20.17
	25	9.91	8.43	12.99
1/3" CCD	2.1	109.90	99.38	123.17
	2.5	100.28	89.44	114.45
	2.9	91.84	80.98	106.51
	3.1	88.03	77.24	102.82
	3.6	79.52	69.05	94.37
	4.3	69.73	59.88	84.21
	6	53.07	44.87	65.87
	8	41.07	34.41	51.83
	12	28.04	23.33	35.90
	16	21.22	17.60	27.32
	25	13.67	11.32	17.68
1/3" CMOS B/W EIA OV7411 (MO-x3xx)	2.1	96.21	80.17	108.77
	2.5	86.24	70.52	99.10
	2.9	77.84	62.73	90.65
	3.1	74.13	59.39	86.83
	3.6	66.09	52.31	78.35
	4.3	57.15	44.70	68.61
	6	42.65	32.84	52.12
	8	32.64	24.92	40.29
	12	22.09	16.76	27.48
	16	16.66	12.61	20.79
	25	10.71	8.09	13.39
1/3" CMOS B/W CCIR OV7411 (MO-x3xx)	2.1	107.88	89.77	118.93
	2.5	98.17	79.84	109.87
	2.9	89.70	71.61	101.71
	3.1	85.89	68.03	97.95
	3.6	77.43	60.33	89.42
	4.3	67.74	51.90	79.31
	6	51.38	38.45	61.43
	8	39.68	29.32	48.04
	12	27.05	19.78	33.09
	16	20.46	14.90	25.13
	25	13.17	9.57	16.23
1/3" CMOS B/W EIA OV5116N (MO-x4xx)	2.1	74.53	61.46	87.97
	2.5	65.17	53.07	78.08
	2.9	57.71	46.58	69.92
	3.1	54.54	43.87	66.37
	3.6	47.87	38.25	58.78
	4.3	40.78	32.38	50.50
	6	29.83	23.51	37.35
	8	22.60	17.74	28.45
	12	15.17	11.88	19.19
	16	11.41	8.92	14.45
	25	7.32	5.72	9.28
1/4" CMOS B/W CCIR OV5116P (MO-x4xx)	2.1	74.53	61.46	87.97
	2.5	65.17	53.07	78.08
	2.9	57.71	46.58	69.92
	3.1	54.54	43.87	66.37
	3.6	47.87	38.25	58.78
	4.3	40.78	32.38	50.50
	6	29.83	23.51	37.35
	8	22.60	17.74	28.45
	12	15.17	11.88	19.19
	16	11.41	8.92	14.45
	25	7.32	5.72	9.28
1/4" CMOS COLOR NTSC Only OV7930 (MO-x5xx)	2.1	87.11	72.43	100.37
	2.5	77.24	63.20	90.45
	2.9	69.11	55.88	81.98
	3.1	65.59	52.78	78.22
	3.6	58.05	46.27	70.00
	4.3	49.83	39.37	60.76
	6	36.83	28.76	45.58
	8	28.04	21.77	34.99
	12	18.90	14.61	23.73
	16	14.23	10.98	17.91
	25	9.14	7.04	11.52
1/3" CMOS COLOR NTSC OV7910 (MO-x6xx)	2.1	96.21	80.17	108.77
	2.5	86.24	70.52	99.10
	2.9	77.84	62.73	90.65
	3.1	74.13	59.39	86.83
	3.6	66.09	52.31	78.35
	4.3	57.15	44.70	68.61
	6	42.65	32.84	52.12
	8	32.64	24.92	40.29
	12	22.09	16.76	27.48
	16	16.66	12.61	20.79
	25	10.71	8.09	13.39
1/3" CMOS COLOR PAL OV7910 (MO-x6xx)	2.1	107.88	89.77	118.93
	2.5	98.17	79.84	109.87
	2.9	89.70	71.61	101.71
	3.1	85.89	68.03	97.95
	3.6	77.43	60.33	89.42
	4.3	67.74	51.90	79.31
	6	51.38	38.45	61.43
	8	39.68	29.32	48.04
	12	27.05	19.78	33.09
	16	20.46	14.90	25.13
	25	13.17	9.57	16.23
1/3" CMOS B/W EIA Only OV7430 (MO-x7xx)	2.1	87.11	72.43	100.37
	2.5	77.24	63.20	90.45
	2.9	69.11	55.88	81.98
	3.1	65.59	52.78	78.22
	3.6	58.05	46.27	70.00
	4.3	49.83	39.37	60.76
	6	36.83	28.76	45.58
	5	43.56	34.20	53.51
	8	28.04	21.77	34.99
	12	18.90	14.61	23.73
	16	14.23	10.98	17.91
	25	9.14	7.04	11.52
1/3" CMOS COLOR PAL OV7940 (MO-x16xx)	2.1	109.55	90.93	120.29
	2.5	99.91	80.99	111.33
	2.9	91.47	72.72	103.23
	3.1	87.65	69.11	99.49
	3.6	97.16	61.34	90.97
	4.3	69.38	52.82	80.84
	6	52.77	39.18	62.81
	8	40.82	29.89	49.21
	12	27.87	20.18	33.96
	16	21.08	15.21	25.80
	25	13.58	9.77	16.68
1/3" CMOS COLOR NTSC OV7940 (MO-x16xx)	2.1	105.86	99.40	121.11
	2.5	96.08	89.47	112.22
	2.9	87.60	81.01	104.16
	3.1	83.79	77.26	100.43
	3.6	75.38	69.07	91.94
	4.3	65.80	59.90	81.79
	6	49.75	44.88	63.67
	8	38.35	34.42	49.94
	12	26.11	23.34	34.50
	16	19.73	17.61	26.22
	25	12.70	11.32	16.95
1/4" CMOS COLOR NTSC Only OV7950 (MO-x15xx)	2.1	88.24	72.82	101.22
	2.5	78.34	63.56	91.32
	2.9	70.17	56.22	82.84
	3.1	66.62	53.10	79.07
	3.6	59.01	46.57	70.81
	4.3	50.71	39.63	61.52
	6	37.52	28.96	46.21
	8	28.58	21.92	35.49
	12	19.28	14.71	24.08
	16	14.52	11.06	18.18
	25	9.32	7.09	11.69

View Angle calculator
Focal length(f=):
Sensor image area (Width):
Sensor image area(Height):

Sensor Image circle:
Horizontal:
Vertical:
Diagonal:
View Angle Result:
The actual view angle should be wider [add 10% more.]

View Angle calculator for CCTV Camera