For Bright Field Observation
- CFI optical system
- High N.A and long working distance
- Confocal length 45 mm, conjugate focal length 200 mm and field of view 25 mm in diameter
Cat. No. | LDJ5 | LDJ10 | LDJ20 | LDJ50 | LDJ100 |
Product Photo |
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Dimensional Drawing |
Detail View | Detail View | Detail View | Detail View | Detail View |
Magnification | 5 X | 10 X | 20 X | 50 X | 100 X |
NA (Numerical Aperture) |
0.13 | 0.3 | 0.4 | 0.55 | 0.8 |
WD (Working Distance) |
11.5 mm | 6.8 mm | 11.1 mm | 8.2 mm | 2 mm |
F (Focal length) |
40 mm | 20 mm | 10 mm | 4 mm | 2 mm |
R (Resolving Power) |
2 um | 1 um | 0.7 um | 0.5 um | 0.4 um |
DOF (Depth Of Focal) |
±14 um | ±3.5 um | ±1.6 um | ±0.9 um | ±0.4 um |
FD (Field Diameter) φ24 |
φ5 mm | φ2.5 mm | φ1.6 mm | φ0.5 mm | φ0.25 mm |
Field Area on 1/2’CCD |
0.96 x 1.28 mm | 0.4 x 0.64 mm | 0.24 x 0.32 mm | 0.1 x 0.13 mm | 0.05 x 0.06 mm |