Angle of View Chart

	Actual		Horizontal Angle Of View
	Focal	35mm	645 6x6	6x7cm	6x9	4x5 6x12	5x7 6x17	8x10 4x10	10x12	11x14	8x16	14x17 7x17	8x20 -16x20
	Length
	35mm	54	78	87	99	117	135	149
	38mm	51	74	83	94	112	131	146
	40mm	48	71	80	91	110	130	145
	45mm	44	65	73	85	104	124	141
	47mm	42	62	71	82	101	122	139
	50mm	40	60	68	79	98	119	137
	55mm	36	55	63	73	92	114	133	140
	58mm	34	52	60	71	89	111	131	138	142
	60mm	33	51	58	69	87	110	129	137	141
	65mm	31	47	55	65	83	105	126	134	138
	72mm	28	43	50	59	77	100	121	129	134	140
	75mm	27	42	48	57	74	97	118	128	132	139
	80mm	25	39	45	54	71	93	116	125	130	137	139
	90mm	23	35	41	49	65	87	109	119	124	132	135	140
	100mm	20	32	37	45	60	81	104	113	119	128	130	137
	105mm	19	30	35	43	57	78	101	111	117	125	128	135
	110mm	19	28	34	41	55	75	98	108	114	123	126	133
Format		35mm	645 6x6	6x7cm	6x9	4x5 6x12	5x7 6x17	8x10 4x10	10x12	11x14	8x16	14x17 7x17	8x20 -16x20
	115mm	18	28	32	39	53	73	96	106	112	121	124	131
	120mm	17	27	31	38	51	71	93	104	110	119	122	129
	125mm	16	26	30	36	49	59	91	101	107	117	120	128
	127mm	16	25	30	36	48	68	90	100	106	116	119	127
	135mm	15	24	28	34	46	64	87	97	103	113	116	124
	140mm	15	23	27	33	44	63	84	95	101	111	114	122
	150mm	14	22	25	31	42	59	81	91	97	107	110	119
	155mm	13	21	24	30	41	58	79	89	95	105	109	117
	158mm	13	20	24	29	40	57	78	88	94	104	108	116
	165mm	12	20	23	28	38	55	75	85	92	102	105	114
	175mm	12	19	22	26	36	52	72	82	88	99	102	111
	180mm	11	18	21	26	35	51	70	81	87	97	100	109
	190mm	11	17	20	24	33	48	68	77	84	94	97	106
	200mm	10	16	19	23	32	46	65	75	81	91	94	104
	210mm	10	16	18	22	30	44	62	72	78	88	92	100
	240mm	9	14	16	19	27	39	56	65	71	81	84	93
Format		35mm	645 6x6	6x7cm	6x9	4x5 6x12	5x7 6x17	8x10 4x10	10x12	11x14	8x16	14x17 7x17	8x20 -16x20
	250mm	8	13	15	19	26	38	54	63	68	78	82	91
	270mm	8	12	14	17	24	35	50	59	64	74	77	87
	300mm	7	11	13	16	22	32	46	54	59	68	71	81
	305mm	7	11	13	15	21	31	45	53	58	67	71	80
	350mm	6	9	11	13	19	27	40	47	52	60	63	72
	355mm	6	9	11	13	18	27	39	46	51	60	63	71
	360mm	6	9	11	13	18	27	39	46	51	59	62	70
	375mm	6	9	10	12	17	26	37	44	49	57	60	68
	400mm	5	8	10	12	16	24	35	42	46	54	57	65
	420mm	5	8	9	11	16	23	34	40	44	52	54	62
	450mm	5	7	9	10	14	21	32	37	41	49	51	59
	480mm	4	7	8	10	14	20	30	35	39	46	49	56
	500mm	4	7	8	9	13	19	29	34	38	44	47	54
	600mm	3	5	6	8	11	16	24	29	32	37	40	46
	720mm		4	5	6	9	13	20	24	27	32	33	39
	800mm		4	5	6	8	12	18	22	24	29	30	35
	1200mm		2.7	3.2	3.9	5.4	8	12	14	16	19	20	24
Format		35mm	645 6x6	6x7cm	6x9	4x5 6x12	5x7 6x17	8x10 4x10	10x12	11x14	8x16	14x17 7x17	8x20 -16x20