Chapter 3 Optics Optics The Visionscape GigE Camera uses C-Mount lenses. Table 3–1 contains lens sizes and Omron Microscan part numbers. TABLE 3–1. Lens Sizes and Omron Microscan Part Numbers Table 3–2 contains working distances and fields of view with various lenses. TABLE 3–2. Working Distance and Fields of View Notes: 1. Lens focus ring adjusted to closest position. 2. 20 mm or less working distance in front of lens. 3-2 Visionscape GigE Camera Guide Part Number Size 98-92800571 Lens: 8.5mm 98-92800572 Lens: 12mm 98-92800573 Lens: 16mm 98-92800574 Lens: 25mm 98-92800575 Lens: 35mm 98-92800576 Lens: 50mm 98-92800577 Lens:
75mm Lens Focal Length Extension (mm) 8 (mm) 12 (mm) 16 (mm) 25 (mm) 35 (mm) 50 (mm) 75 (mm) Horiz FOV (mm) Camera Face Distance (mm) 0.0 108 203 91 248 81 305 38 234 36 328 36 495 28 582 Horiz FOV (mm) Camera Face Distance (mm) 0.5 41 94 44 140 51 197 28 201 43 297 33 460 26 561 Horiz FOV (mm) Camera Face Distance (mm) 1.0 28 74 34 107 38 157 29 193 29 182 32 439 25 546 Horiz FOV (mm) Camera Face Distance (mm) 5.0 9 562 13 75 14 118 17 197 21 333 20 461 Horiz FOV (mm) Camera Face Distance (mm) 10.0 7 61 9 94 11 159 14 269 15 395 Horiz FOV (mm) Camera Face Distance (mm) 15.0 6 87 9 144 11 232 13 357