Omron V440-F User Manual page 36

Step 4: Based on ideal field of view, use the Field of View / Working Distance charts below to choose the
best lens and camera standoff distance combination that most closely matches the application requirements.
Example: Read a 2D, 7.5 mil code.
From the guidelines we can determine that 3.5 PPE is a good starting point.
From the PPE to FOV table above, we see the ideal field of view for achieving a PPE of 3.5 on a 7.5 mil code is
133.8 mm.
From the table below, we see there are multiple lens options and working distance options that come close*.
• Option 1: F = 9 mm, Working Distance = 150.
• Option 2: F = 12.5 mm, Working Distance = 200.
• Option 3: F = 16 mm, Working Distance = 250.
*Note: Please note that it normal to interpolate between the set working distances in the chart to come up with
the best answer. ALWAYS TEST the solution on your exact samples. You can always move the camera in to
increase the resolution.
Field of View for 25* to 500 mm Working Distance
Lens FL 25 50
F = 6 35 x 30 71 x 59
F = 8 27 x 22 53 x 44
F = 9 24 x 20 47 x 39
F = 12.5 17 x 14 34 x 28
F = 16 13 x 11 27 x 22
F = 25 9 x 7 17 x 14
F = 35 6 x 5 12 x 10
F = 50 4 x 4 9 x 7
F = 75 3 x 2 6 x 5
F = 100 2 x 2 4 x 4
*For working distances shorter than the minimum working distance specified for the lens, an extension ring is required to focus the lens.
Field of View at 600 to 2500 mm Working Distance
Lens FL 600 700
F = 6 850 x 709 992 x 828
F = 8 638 x 532 744 x 621
F = 9 567 x 473 661 x 552
F = 12.5 408 x 340 476 x 397
F = 16 319 x 266 372 x 310
F = 25 204 x 170 238 x 199
F = 35 146 x 122 170 x 142
F = 50 102 x 85 119 x 99
F = 75 68 x 57 79 x 66
F = 100 51 x 43 60 x 50
Important: See Connect the System.
V440-F C-Mount Code Reader User Manual
Field of View (mm x mm) at Specific Working Distances (mm)
75 100 150
106 x 89 142 x 118 213 x 177
80 x 66 106 x 89 159 x 133
71 x 59 94 x 79 142 x 118
51 x 43 68 x 57 102 x 85
40 x 33 53 x 44 80 x 66
26 x 21 34 x 28 51 x 43
18 x 15 24 x 20 36 x 30
13 x 11 17 x 14 26 x 21
9 x 7 11 x 9 17 x 14
6 x 5 9 x 7 13 x 11
Field of View (mm x mm) at Specific Working Distances (mm)
800 900
1133 x 946 1275 x 1064 1417 x 1182 1771 x 1478 2125 x 1773 2479 x 2069 2833 x 2364 3542 x 2956
850 x 709 956 x 798 1063 x 887
756 x 631 850 x 709
544 x 454 612 x 511
425 x 355 478 x 399
272 x 227 306 x 255
194 x 162 219 x 182
136 x 113 153 x 128
91 x 76 102 x 85
68 x 57 77 x 64
General lens formulas for any combination, given working
distance, focal length, or field of view width:
Field of View Width = 8.5 x Working Distance / Focal Length
Field of View Height = 7.093 x Working Distance / Focal Length
Focal Length = 8.5 x Working Distance / Field of View Width
Working Distance = Field of View Width x Focal Length / 8.5
200 250 300
283 x 236 354 x 296 425 x 355
213 x 177 266 x 222 319 x 266
189 x 158 236 x 197 283 x 236
136 x 113 170 x 142 204 x 170
106 x 89 133 x 111 159 x 133
68 x 57 85 x 71 102 x 85
49 x 41 61 x 51 73 x 61
34 x 28 43 x 35 51 x 43
23 x 19 28 x 24 34 x 28
17 x 14 21 x 18 26 x 21
1000 1250 1500
1328 x 1108 1594 x 1330 1859 x 1552 2125 x 1773 2656 x 2217
944 x 788 1181 x 985 1417 x 1182 1653 x 1379 1889 x 1576 2361 x 1970
680 x 567 850 x 709 1020 x 851
531 x 443 664 x 554 797 x 665
340 x 284 425 x 355 510 x 426
243 x 203 304 x 253 364 x 304
170 x 142 213 x 177 255 x 213
113 x 95 142 x 118 170 x 142
85 x 71 106 x 89 128 x 106
2 Quick Start
350 400 450
496 x 414 567 x 473 638 x 532
372 x 310 425 x 355 478 x 399
331 x 276 378 x 315 425 x 355
238 x 199 272 x 227 306 x 255
186 x 155 213 x 177 239 x 199
119 x 99 136 x 113 153 x 128
85 x 71 97 x 81 109 x 91
60 x 50 68 x 57 77 x 64
40 x 33 45 x 38 51 x 43
30 x 25 34 x 28 38 x 32
1750 2000
1190 x 993 1360 x 1135 1700 x 1419
930 x 776 1063 x 887 1328 x 1108
595 x 497 680 x 567 850 x 709
425 x 355 486 x 405 607 x 507
298 x 248 340 x 284 425 x 355
198 x 166 227 x 189 283 x 236
149 x 124 170 x 142 213 x 177
2
500
708 x 591
531 x 443
472 x 394
340 x 284
266 x 222
170 x 142
121 x 101
85 x 71
57 x 47
43 x 35
2500
2-5