A New Concept of Dark Field Observation (LED BD M Plan Series)
LED BD M Plan Objective series is an only one in the world that the objective itself contains a build-in illumination with an ultra-long working distance.
It may enable you to find light scratch or small blemish easily and will be helpful to your quality checking work.
| Cat. No. | LED-BD-M5 | LED-BD-M7 |
| Product Photo | ![]() |
![]() |
| Magnification | 5 X | 7 X |
| NA (Numerical Aperture) |
0.13 | 0.22 |
| WD (Working Distance) |
45 mm | 35.4 mm |
| F (Focal length) |
40.0 mm | 28.6 mm |
| R (Resolving Power) |
2 um | 1.25 um |
| DOF (Depth Of Focal) |
±14 um | ±5.7 um |
| Weight | 360 g | 360 g |




