L-OVM50170MN-BS (2x - 5x)
Features
● Variable magnification: 2x - 5x
● Prism optical optimization model available. (Coaxial vertical prism: Thickness up to 25 mm) (Handled)
● Large image size - 86.4 mmΦ - For high resolution, large-sized line sensor cameras
● Recommendable line sensor cameras 5 µm x 16K / 5.2 µm x 12K
● Less difference in performance, securing performance in the whole range of magnification
● Diaphragm and floating ring setting lockable screws
● The gears of the diaphragm ring and floating ring can be moved by external drive
Rayfact 2-5x Variable Lens Prism suitable model
| Model | L-OVM50170MN-BS | |||||||
| Magnification Range | 2x ~ 5x | |||||||
| Magnification | 2x | 2.5x | 3x | 3.5x | 4x | 4.5x | 5x | (5.2x) (2) |
| Focal Length | 117mm | |||||||
| F Number (∞) | F2.5 | |||||||
| NA | 0.133 | 0.144 | 0.151 | 0.157 | 0.162 | 0.166 | 0.17 | 0.171 |
| Reference Wavelength | 546.07nm (e-line) | |||||||
| Wavelength Range | 400nm ~ 700nm | |||||||
| Image Size | 86.4mm∅ | |||||||
| Object Size (1) | 43.2mm∅ | 34.6mm∅ | 28.8mm∅ | 24.7mm∅ | 21.6mm∅ | 19.2mm∅ | 17.3mm∅ | (16.6mm∅) |
| Distortion (1) | +0.1% | -0.0% | -0.0% | -0.1% | -0.1% | -0.1% | -0.1% | (-0.0%) |
| Relative illumination (1) | 88.2% | 93.3% | 96.2% | 97.5% | 98.1% | 98.6% | 99.0% | (99.1%) |
| Aperture Scale | 2.5、2.8、4、5.6、8、11 | |||||||
| Object to Image Distance | 513.7mm | 561mm | 612.1mm | 665.4mm | 720.1mm | 775.7mm | 831.9mm | (854.5mm) |
| Working Distance | 119.8mm | 107.8mm | 99.8mm | 94mm | 89.9mm | 86.4mm | 83.6mm | (82.7mm) |
| Mount Size | M67 (P=0.75) | |||||||
| Flange to Image Distance | 253.9mm | 313.2mm | 372.3mm | 431.4mm | 490.3mm | 549.3mm | 608.3mm | (631.8mm) |
| Attachment Size | M58 (P=0.75) | |||||||
| Diameter / Length (3) | 84mm∅ × 140mm | |||||||
| Weight | Approximately 1350g | |||||||
(1) Maximum image height (Y'=43.2mm) at F2.5 with prism (25mm thickness．material BK7 or equivatent) to put between an object and the lens
(2) 5.2x : To fix the magnification at 5.0x and move the lens outward up to the maximal point
(3) Dimension excludes protrusion of screws or other convex part