Finite DM Series
Coaxial tube lens, Mechanical tube length 210mm
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Coaxial tube lens, Mechanical tube length 210mm (finite) / Objective lens DM series |
SPECIFICATIONS
| Model# | DM.5X |
DM.10X |
DM.20X |
DM.35X |
| Magnification | 5x |
10x |
20x |
35x |
| Working distance | 18mm |
7.5mm |
2.2mm |
6.9mm |
| Focal distance ( f ) | 37.9mm |
22.17mm |
11.72mm |
6.06mm |
| N.A | 0.10 |
0.25 |
0.4 |
0.45 |
| Resolution | 3.4µm |
1.3µm |
0.8µm |
0.7µm |
| Focal Depth(±D.F) | 27.5µm |
4.4µm |
1.7µm |
1.35µm |
| Weight | 52g |
85g |
88g |
85g |
| Model# | DM.40X |
DM.50X |
DM. Plan100XDRY |
| Magnification | 40x |
50x |
100x |
| Working distance | 0.6mm |
0.45mm |
0.44mm |
| Focal distance ( f ) | 5.78mm |
4.66mm |
2.17mm |
| N.A | 0.65 |
0.68 |
0.9 |
| Resolution | 0.5µm |
0.5µm |
0.4µm |
| Focal Depth(±D.F) | 0.7µm |
0.6µm |
0.3µm |
| Weight | 95g |
95g |
99g |
Note: Resolution and focal depth of objective lens is calculated using the wavelength of (λ=0.55nm). R=0.61x0.55/N.A Focal depth ±D (μm ) =λ/ ( 2 (N.A)2 )
ACCESSORIES:
MS-210:F20-W frosted filter / MS-210-S : F20-W frosted filter , spare lamp 7388 ( 6V20W ) / FA-621R power supply ( Refer on page 40 ) 1 each
Catalog and Dimensions (click to download pdf)







