Finite DM Series
Coaxial tube lens, Mechanical tube length 210mm

M.Plan APO series

Coaxial tube lens, Mechanical tube length 210mm (finite) / Objective lens DM series
Series of Finite objective lenses of mechanical tube length of 210mm. Choice of optical Magnification of 5X, 20X , 35X , 40X , 50X, 100X .

 

 

 

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)

 

M.Plan APO series