Specifications
Real FOV (mm)
Mass (g)
f (mm) ( λ = 550 nm)
R (μm) ( λ = 550 nm)
±DOF (μm)
Model
N.A.
W.D. (mm)
Code No.
ø24 eyepiece 2/3 inch camera
M Plan Apo
M Plan Apo 1X * 1 M Plan Apo 2X * 2 M Plan Apo 5X M Plan Apo 7.5X M Plan Apo 10X M Plan Apo 20X M Plan Apo 50X M Plan Apo 100X
378-800-12 378-801-12 378-802-12 378-807-3 378-803-3 378-804-3 378-805-3 378-806-3 378-787-16 378-788-15 378-814-4 378-815-4
0.025 0.055
11.0 34.0 36.5 35.0 34.0 20.0 13.0
200 100
11.0
440
24 12
6.6×8.8 3.3×4.4
300 220 262 240 240 270 290 320 285 455 400 410
5.0 2.0 1.3 1.0 0.7 0.5 0.4 1.3 0.7 0.4 0.3
91 14
0.14 0.21 0.28 0.42 0.55 0.70 0.21 0.42 0.75 0.90
40
4.8 3.6 2.4 1.2
1.32×1.76 0.88×1.17 0.66×0.88 0.33×0.44 0.13×0.18 0.07×0.09 1.32×1.76 0.66×0.88 0.13×0.18 0.07×0.09
26.67
6.2 3.5 1.6 0.9 0.6
20 10
4 2
0.48 0.24
6.0
M Plan Apo HR
M Plan Apo HR 5X * 3 M Plan Apo HR 10X * 3 M Plan Apo HR 50X M Plan Apo HR 100X
27.0 15.0
40 20
6.2
4.8 2.4
1.60 0.49 0.34
5.2 1.3
4 2
0.48 0.24
• Every resolution and single objective's depth of focus in the above table is a value determined on the basis of a reference wavelength ( λ = 0.55 μm). *1: When observing a workpiece whose optical reflectance is low, an appropriate polarizer should be used with this lens. *2: When observing a workpiece whose optical reflectance is low, using this lens with a 1/4 wave plate and polarization unit (No.02ALN370) is recommended.
*3: These specifications apply to the objectives in isolation and may not apply when a lens is mounted in the revolver of a microscope, depending on the design of that microscope. In the case where the vertical epi-illumination is provided by the user it is important to balance the various optical parameters so that optimum illumination of the target surface is obtained. Contact your local Mitutoyo sales Office for information on how this may be achieved.
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