Extension Tube FOV Table

The values in the table below are for the camera lens kit of EPSON under LED lights. When the environment is different or using other cameras, values are different. The WD and FOV may change according to the individual variability.

GigE Camera (for PV1)
acA640-100gm, acA640-120gm (Resolution: 640 × 480) + Megapixel Camera Lens

Unit: mm

Extension Tubes	Lens Focal Length
	f = 8 mm	f = 12 mm	f = 16 mm	f = 25 mm	f = 50 mm
0.0 mm	46 × 34 to 650 × 486	48 × 36 to 450 × 337	70 × 52 to 338 × 253	44 × 33 to 214 × 160	34 × 26 to 108 × 81
0.5 mm	33 × 25 to 95 × 71	37 × 27 to 90 × 68	48 × 36 to 158 × 117	38 × 28 to 214 × 160	33 × 25 to 108 × 82
1.0 mm	21 × 15 to 34 × 25	25 × 19 to 46 × 34	34 × 26 to 61 × 46	31 × 23 to 98 × 73	30 × 23 to 108 × 81
1.5 mm	15 × 11 to 22 × 16	19 × 14 to 29 × 22	26 × 19 to 39 × 29	27 × 20 to 62 × 47	27 × 20 to 108 × 81
5.0 mm	-	-	10 × 7 to 11 × 8	13 × 9 to 17 × 13	18 × 13 to 34 × 25
10.0 mm	-	-	-	7.5 × 5.5 to 8.5 × 6.5	11.5 × 8.5 to 17 × 12.5
15.0 mm	-	-	-	5 × 4 to 6 × 4.5	8.5 × 6.5 to 11 × 8.5
20.0 mm	-	-	-	-	6.5 × 5 to 8 × 6
40.0 mm	-	-	-	-	3.5 × 2.5 to 4 × 3

GigE Camera (for PV1)
acA1600-20gm/gc, acA1600-60gm/gc (Resolution: 1600 × 1200) + Megapixel Camera Lens

Unit: mm

Extension Tubes	Lens Focal Length
	f = 8 mm	f = 12 mm	f = 16 mm	f = 25 mm	f = 50 mm
0.0 mm	90 × 66 to 1276 × 954	94 × 70 to 883 × 661	137 × 102 to 663 × 496	86 × 64 to 420 × 314	66 × 51 to 212 × 159
0.5 mm	64 × 49 to 186 × 139	72 × 53 to 176 × 133	94 × 70 to 310 × 229	74 × 55 to 420 × 314	64 × 49 to 214 × 161
1.0 mm	41 × 29 to 66 × 49	49 × 37 to 90 × 66	66 × 51 to 119 × 90	60 × 45 to 192 × 143	58 × 45 to 214 × 159
1.5 mm	29 × 21 to 43 × 31	37 × 27 to 56 × 43	51 × 37 to 76 × 56	53 × 39 to 121 × 92	53 × 39 to 214 × 159
5.0 mm	-	-	19 × 13 to 21 × 15	25 × 17 to 33 × 25	35 × 25 to 66 × 49
10.0 mm	-	-	-	14.5 × 10.5 to 16.5 × 12.5	22.5 × 16.5 to 33 × 23.5
15.0 mm	-	-	-	9.5 × 7.5 to 11.5 × 8.5	16.5 × 12.5 to 21.5 × 16.5
20.0 mm	-	-	-	-	12.5 × 9.5 to 16.5 × 11.5
40.0 mm	-	-	-	-	6.5 × 4.5 to 7.5 × 5.5

GigE Camera (for PV1)
acA2500-14gm/gc (Resolution: 2560 × 1920) + Megapixel Camera Lens

Unit: mm

Extension Tubes	Lens Focal Length
	f = 8 mm	f = 12 mm	f = 16 mm	f = 25 mm	f = 50 mm
0.0 mm	72 × 53 to 1021 × 763	75 × 56 to 707 × 529	110 × 81 to 531 × 397	69 × 51 to 336 × 251	53 × 40 to 169 × 127
0.5 mm	51 × 39 to 149 × 111	58 × 42 to 141 × 106	75 × 56 to 248 × 183	59 × 44 to 336 × 251	51 × 39 to 171 × 128
1.0 mm	33 × 23 to 53 × 39	39 × 29 to 72 × 53	53 × 40 to 95 × 72	48 × 36 to 154 × 114	47 × 36 to 171 × 127
1.5 mm	23 × 17 to 34 × 25	29 × 22 to 45 × 34	40 × 29 to 61 × 45	42 × 31 to 97 × 73	42 × 31 to 169 × 127
5.0 mm	-	-	15 × 11 to 17 × 12	20 × 14 to 26 × 20	28 × 20 to 53 × 39
10.0 mm	-	-	-	11.5 × 8.5 to 13 × 10	18 × 13 to 26.5 × 19.5
15.0 mm	-	-	-	7.5 × 6 to 9 × 7	13 × 10 to 17 × 13
20.0 mm	-	-	-	-	10 × 7.5 to 12.5 × 9
40.0 mm	-	-	-	-	5.5 × 3.5 to 6 × 4.5