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	microseconds	milliseconds	Register #	Displayed			Range	# of steps in Register	EV (=1 Stop)			Register Value
	125	0.125	0	1/8000 s							0.125	0
	150	0.15	1	1/6666 s							0.15	1
	188	0.1875	2	1/5333 s							0.1875	2
	250	0.25	3	1/4000 s							0.25	3
	300	0.3	4	1/3333 s							0.3	4
	375	0.375	5	1/2666 s							0.375	5
	500	0.5	6	1/2000 s							0.5	6
	600	0.6	7	1/1666 s							0.6	7
	750	0.75	8	1/1333 s							0.75	8
	1000	1	9	1/1000 s			(cut and shift according to 'cs' calculated in sheet4)				1	9
	1200	1.2	10	1/833 s							1.2	10
	1500	1.5	11	1/666 s				-30	-10		1.5	11
	2000	2	12	1/500 s				-29			2	12
	2400	2.4	13	1/416 s				-28			2.4	13
	3000	3	14	1/333 s				-27	-9		3	14
	4000	4	15	1/250 s				-26			4	15
	4800	4.8	16	1/208 s				-25			4.8	16
	6000	6	17	1/166 s				-24	-8		6	17
	8000	8	18	1/125 s				-23			8	18
	9600	9.6	19	1/104 s				-22			9.6	19
	12000	12	20	1/83 s				-21	-7		12	20
	16000	16	21	1/60 s				-20			16	21
	19200	19.2	22	1/52 s				-19			19.2	22
	24000	24	23	1/41 s				-18	-6		24	23
	32000	32	24	1/30 s			*	-17			32	24
	38400	38.4	25	1/26 s				-16			38.4	25
	48000	48	26	1/20 s				-15	-5		48	26
	64000	64	27	1/15 s				-14			64	27
	76433	76.43312102	28	1/13 s				-13			76.43312102	28
	94862	94.86166008	29	1/10 s				-12	-4		94.86166008	29
	125000	125	30	1/8 s				-11			125	30
	150000	150	31	1/6 s				-10			150	31
	187500	187.5	32	1/5 s				-9	-3		187.5	32
	250000	250	33	1/4 s				-8			250	33
	300000	300	34	0.3 s				-7			300	34
	375000	375	35	0.4 s				-6	-2		375	35
	500000	500	36	0.5 s				-5			500	36
	600000	600	37	0.6 s				-4			600	37
	750000	750	38	0.8 s				-3	-1		750	38
	1000000	1000	39	1 s				-2			1000	39
	1333333	1333.333333	40	1.333 s				-1			1333.333333	40
	1666667	1666.666667	41	1.666 s			cs	0	0		1666.666667	41
	2000000	2000	42	2 s				1			2000	42
	2666667	2666.666667	43	2.666 s				2			2666.666667	43
	3333333	3333.333333	44	3.333 s				3	1		3333.333333	44
	4000000	4000	45	4 s				4			4000	45
	5333333	5333.333333	46	5.33 s				5			5333.333333	46
	6666667	6666.666667	47	6.67 s				6	2		6666.666667	47
	8000000	8000	48	8 s				7			8000	48
	10333333	10333.33333	49	10.333 s				8			10333.33333	49
	12666667	12666.66667	50	12.666 s				9	3		12666.66667	50
	15000000	15000	51	15 s				10			15000	51
	20000000	20000	52	20 s				11			20000	52
	25000000	25000	53	25 s				12	4		25000	53
	30000000	30000	54	30 s				13			30000	54
	40000000	40000	55	40 s				14			40000	55
	50000000	50000	56	50 s				15	5		50000	56
	60000000	60000	57	1m			*	16			60000	57
	80000000	80000	58	1m 20s				17			80000	58
	100000000	100000	59	1m 40s				18	6		100000	59
	120000000	120000	60	2m				19			120000	60
	160000000	160000	61	2m 40s				20			160000	61
	200000000	200000	62	3m 20s				21	7		200000	62
	240000000	240000	63	4m				22			240000	63
	320000000	320000	64	5m 20s				23			320000	64
	400000000	400000	65	6m 40s				24	8		400000	65
	480000000	480000	66	8m				25			480000	66
	640000000	640000	67	10m 40s				26			640000	67
	800000000	800000	68	13m 20s				27	9		800000	68
	960000000	960000	69	16m				28			960000	69
	1280000000	1280000	70	21m 20s				29			1280000	70
	1600000000	1600000	71	26m 40s				30	10		1600000	71
	1920000000	1920000	72	32m							1920000	72
	2560000000	2560000	73	42m 40s							2560000	73
	3200000000	3200000	74	53m 20s							3200000	74
	3840000000	3840000	75	1h 4m							3840000	75
	5120000000	5120000	76	1h 25m 20s							5120000	76
	6400000000	6400000	77	1h 46m 40s							6400000	77
	7680000000	7680000	78	2h 8m							7680000	78
	10240000000	10240000	79	2h 50m 40s							10240000	79
	12800000000	12800000	80	3h 33m 20s							12800000	80
	15360000000	15360000	81	4h 16m							15360000	81
	Formatting Table
	Table of Exposure values in 1/3 EV steps in microseconds
	Register #	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81
	formula	0,	1,	2,	3,	4,	5,	6,	7,	8,	9,	10,	11,	12,	13,	14,	15,	16,	17,	18,	19,	20,	21,	22,	23,	24,	25,	26,	27,	28,	29,	30,	31,	32,	33,	34,	35,	36,	37,	38,	39,	40,	41,	42,	43,	44,	45,	46,	47,	48,	49,	50,	51,	52,	53,	54,	55,	56,	57,	58,	59,	60,	61,	62,	63,	64,	65,	66,	67,	68,	69,	70,	71,	72,	73,	74,	75,	76,	77,	78,	79,	80,	81,
	values to copy	0,	1,	2,	3,	4,	5,	6,	7,	8,	9,	10,	11,	12,	13,	14,	15,	16,	17,	18,	19,	20,	21,	22,	23,	24,	25,	26,	27,	28,	29,	30,	31,	32,	33,	34,	35,	36,	37,	38,	39,	40,	41,	42,	43,	44,	45,	46,	47,	48,	49,	50,	51,	52,	53,	54,	55,	56,	57,	58,	59,	60,	61,	62,	63,	64,	65,	66,	67,	68,	69,	70,	71,	72,	73,	74,	75,	76,	77,	78,	79,	80,	81,
	microseconds	125	150	188	##	##	375	500	600	750	1000	1200	1500	2000	2400	3000	4000	4800	6000	8000	9600	12000	16000	19200	24000	32000	38400	48000	64000	76433	94862	1E+05	150000	187500	250000	300000	375000	500000	600000	750000	1000000	1333333	1666667	2000000	2666667	3333333	4000000	5333333	6666667	8000000	10333333	12666667	15000000	20000000	25000000	30000000	40000000	50000000	60000000	80000000	100000000	120000000	160000000	200000000	240000000	320000000	400000000	480000000	640000000	800000000	960000000	1280000000	1600000000	1920000000	2560000000	3200000000	3840000000	5120000000	6400000000	7680000000	10240000000	12800000000	15360000000
	formula	125,	150,	188,	250,	300,	375,	500,	600,	750,	1000,	1200,	1500,	2000,	2400,	3000,	4000,	4800,	6000,	8000,	9600,	12000,	16000,	19200,	24000,	32000,	38400,	48000,	64000,	76433,	94862,	125000,	150000,	187500,	250000,	300000,	375000,	500000,	600000,	750000,	1000000,	1333333,	1666667,	2000000,	2666667,	3333333,	4000000,	5333333,	6666667,	8000000,	10333333,	12666667,	15000000,	20000000,	25000000,	30000000,	40000000,	50000000,	60000000,	80000000,	100000000,	120000000,	160000000,	200000000,	240000000,	320000000,	400000000,	480000000,	640000000,	800000000,	960000000,	1280000000,	1600000000,	1920000000,	2560000000,	3200000000,	3840000000,	5120000000,	6400000000,	7680000000,	10240000000,	12800000000,	15360000000,
	values to copy	125,	150,	188,	250,	300,	375,	500,	600,	750,	1000,	1200,	1500,	2000,	2400,	3000,	4000,	4800,	6000,	8000,	9600,	12000,	16000,	19200,	24000,	32000,	38400,	48000,	64000,	76433,	94862,	125000,	150000,	187500,	250000,	300000,	375000,	500000,	600000,	750000,	1000000,	1333333,	1666667,	2000000,	2666667,	3333333,	4000000,	5333333,	6666667,	8000000,	10333333,	12666667,	15000000,	20000000,	25000000,	30000000,	40000000,	50000000,	60000000,	80000000,	100000000,	120000000,	160000000,	200000000,	240000000,	320000000,	400000000,	480000000,	640000000,	800000000,	960000000,	1280000000,	1600000000,	1920000000,	2560000000,	3200000000,	3840000000,	5120000000,	6400000000,	7680000000,	10240000000,	12800000000,	15360000000,
	Displayed	1/8000 s	1/6666 s	1/5333 s	1/4000 s	1/3333 s	1/2666 s	1/2000 s	1/1666 s	1/1333 s	1/1000 s	1/833 s	1/666 s	1/500 s	1/416 s	1/333 s	1/250 s	1/208 s	1/166 s	1/125 s	1/104 s	1/83 s	1/60 s	1/52 s	1/41 s	1/30 s	1/26 s	1/20 s	1/15 s	1/13 s	1/10 s	1/8 s	1/6 s	1/5 s	1/4 s	0.3 s	0.4 s	0.5 s	0.6 s	0.8 s	1 s	1.333 s	1.666 s	2 s	2.666 s	3.333 s	4 s	5.33 s	6.67 s	8 s	10.333 s	12.666 s	15 s	20 s	25 s	30 s	40 s	50 s	1m	1m 20s	1m 40s	2m	2m 40s	3m 20s	4m	5m 20s	6m 40s	8m	10m 40s	13m 20s	16m	21m 20s	26m 40s	32m	42m 40s	53m 20s	1h 4m	1h 25m 20s	1h 46m 40s	2h 8m	2h 50m 40s	3h 33m 20s	4h 16m
	formula	'1/8000 s'	'1/6666 s'	'1/5333 s'	'1/4000 s'	'1/3333 s'	'1/2666 s'	'1/2000 s'	'1/1666 s'	'1/1333 s'	'1/1000 s'	'1/833 s'	'1/666 s'	'1/500 s'	'1/416 s'	'1/333 s'	'1/250 s'	'1/208 s'	'1/166 s'	'1/125 s'	'1/104 s'	'1/83 s'	'1/60 s'	'1/52 s'	'1/41 s'	'1/30 s'	'1/26 s'	'1/20 s'	'1/15 s'	'1/13 s'	'1/10 s'	'1/8 s'	'1/6 s'	'1/5 s'	'1/4 s'	'0.3 s'	'0.4 s'	'0.5 s'	'0.6 s'	'0.8 s'	'1 s'	'1.333 s'	'1.666 s'	'2 s'	'2.666 s'	'3.333 s'	'4 s'	'5.33 s'	'6.67 s'	'8 s'	'10.333 s'	'12.666 s'	'15 s'	'20 s'	'25 s'	'30 s'	'40 s'	'50 s'	'1m'	'1m 20s'	'1m 40s'	'2m'	'2m 40s'	'3m 20s'	'4m'	'5m 20s'	'6m 40s'	'8m'	'10m 40s'	'13m 20s'	'16m'	'21m 20s'	'26m 40s'	'32m'	'42m 40s'	'53m 20s'	'1h 4m'	'1h 25m 20s'	'1h 46m 40s'	'2h 8m'	'2h 50m 40s'	'3h 33m 20s'	'4h 16m'
	values to copy	'1/8000 s'	'1/6666 s'	'1/5333 s'	'1/4000 s'	'1/3333 s'	'1/2666 s'	'1/2000 s'	'1/1666 s'	'1/1333 s'	'1/1000 s'	'1/833 s'	'1/666 s'	'1/500 s'	'1/416 s'	'1/333 s'	'1/250 s'	'1/208 s'	'1/166 s'	'1/125 s'	'1/104 s'	'1/83 s'	'1/60 s'	'1/52 s'	'1/41 s'	'1/30 s'	'1/26 s'	'1/20 s'	'1/15 s'	'1/13 s'	'1/10 s'	'1/8 s'	'1/6 s'	'1/5 s'	'1/4 s'	'0.3 s'	'0.4 s'	'0.5 s'	'0.6 s'	'0.8 s'	'1 s'	'1.333 s'	'1.666 s'	'2 s'	'2.666 s'	'3.333 s'	'4 s'	'5.33 s'	'6.67 s'	'8 s'	'10.333 s'	'12.666 s'	'15 s'	'20 s'	'25 s'	'30 s'	'40 s'	'50 s'	'1m'	'1m 20s'	'1m 40s'	'2m'	'2m 40s'	'3m 20s'	'4m'	'5m 20s'	'6m 40s'	'8m'	'10m 40s'	'13m 20s'	'16m'	'21m 20s'	'26m 40s'	'32m'	'42m 40s'	'53m 20s'	'1h 4m'	'1h 25m 20s'	'1h 46m 40s'	'2h 8m'	'2h 50m 40s'	'3h 33m 20s'	'4h 16m'
	copy into code:
	unsigned long exptime[] = {125, 150, 188, 250, 300, 375, 500, 600, 750, 1000, 1200, 1500, 2000, 2400, 3000, 4000, 4800, 6000, 8000, 9600, 12000, 16000, 19200, 24000, 32000, 38400, 48000, 64000, 76433, 94862, 125000, 150000, 187500, 250000, 300000, 375000, 500000, 600000, 750000, 1000000, 1333333, 1666667, 2000000, 2666667, 3333333, 4000000, 5333333, 6666667, 8000000, 10333333, 12666667, 15000000, 20000000, 25000000, 30000000, 40000000, 50000000, 60000000, 80000000, 100000000, 120000000, 160000000, 200000000, 240000000, 320000000, 400000000, 480000000, 640000000, 800000000, 960000000, 1280000000, 1600000000, 1920000000, 2560000000, 3200000000, 3840000000, 5120000000, 6400000000, 7680000000, 10240000000, 12800000000, 15360000000};
	char* expstr[] = {"1/8000 s", "1/6666 s", "1/5333 s", "1/4000 s", "1/3333 s", "1/2666 s", "1/2000 s", "1/1666 s", "1/1333 s", "1/1000 s", "1/833 s", "1/666 s", "1/500 s", "1/416 s", "1/333 s", "1/250 s", "1/208 s", "1/166 s", "1/125 s", "1/104 s", "1/83 s", "1/60 s", "1/52 s", "1/41 s", "1/30 s", "1/26 s", "1/20 s", "1/15 s", "1/13 s", "1/10 s", "1/8 s", "1/6 s", "1/5 s", "1/4 s", "0.3 s", "0.4 s", "0.5 s", "0.6 s", "0.8 s", "1 s", "1.333 s", "1.666 s", "2 s", "2.666 s", "3.333 s", "4 s", "5.33 s", "6.67 s", "8 s", "10.333 s", "12.666 s", "15 s", "20 s", "25 s", "30 s", "40 s", "50 s", "1m", "1m 20s", "1m 40s", "2m", "2m 40s", "3m 20s", "4m", "5m 20s", "6m 40s", "8m", "10m 40s", "13m 20s", "16m", "21m 20s", "26m 40s", "32m", "42m 40s", "53m 20s", "1h 4m", "1h 25m 20s", "1h 46m 40s", "2h 8m", "2h 50m 40s", "3h 33m 20s", "4h 16m"};