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All Products / Microscopy / Infinity Corrected Objectives / Mitutoyo NIR, NUV, and UV Infinity Corrected Objectives
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50X Mitutoyo Plan Apo NIR Infinity Corrected Objective

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50X Mitutoyo Plan Apo NIR Infinity Corrected Objective, #46-405

50X Mitutoyo Plan Apo NIR Infinity Corrected Objective, #46-405

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Stock #46-405 3-5 days
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Compatible Cover Glass Thickness (mm):
N/A
Design Wavelength DWL (nm):
532, 1064
Horizontal Field of View, 1/2" Sensor:
0.13mm
Horizontal Field of View, 2/3" Sensor:
0.18mm
Focal Length FL (mm):
4.00
Model Number:
378-825-16
Length excluding Threads (mm):
78.00
Magnification:
50X
Maximum Diameter (mm):
34
Maximum Sensor Format:
2/3"
Numerical Aperture NA:
0.42
Mounting Threads:
M26 x 36 TPI
Compatible Tube Lens Focal Length (mm):
Focal Length: 200mm
Type:
Microscope Objective
Resolving Power (μm):
0.7
Depth of Field (μm):
1.60
Field of View, 24 Diameter Field Eyepiece (mm):
0.48
Field of View, 18 Diameter Field Eyepiece (mm):
0.36
Operating Temperature (°C):
-5 to +45
Operating Humidity:
20 - 80%
Working Distance (mm):
17.0
Weight (g):
350.00
Note:
Example Application: cutting and trimming of semiconductor wafer and circuits
Wavelength Range (nm):
480 - 1800
Style:
Infinity Corrected
Manufacturer:
Mitutoyo
Parfocal Length (mm):
95
Immersion Liquid:
N/A

Regulatory Compliance

RoHS 2015:
Exempt
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Certificate of Conformance:
View
×
REACH 241:
Contains SVHC(s)
×

Product Family Description

  • Ideal for Bright Field Imaging in UV, Visible, and NIR Spectral Regions
  • Excellent Performance at Nd:YAG Laser Lines
  • Broad Spectral Ranges

Mitutoyo NIR, NUV, and UV Infinity Corrected Objectives combine the benefits of the standard M Plan Apo and M Plan Apo SL series objectives with enhanced spectral ranges. The NIR objectives are corrected from 480 to 1800nm and feature enhanced transmission of the fundamental and second harmonic of Nd:YAG lasers for laser cutting applications. The NUV and UV series of objectives also have excellent performance at the second, third, and fourth Nd:YAG harmonics of 532nm, 355nm, and 266nm respectively. Mitutoyo NIR, NUV, and UV Infinity Corrected Objectives are ideal for applications that require a significant distance between the objective lens and the object such as semiconductor inspection, machine vision, and defect detection. The HR series offers an increased numerical aperture, providing smaller spot sizes and higher resolution. 
 

Accessory Tube Lenses

Accessory Tube Lenses and C-Mount Thread Adapters can be used to adapt the Mitutoyo objectives to additional configurations.

Technical Information
Dimensions (mm)
Stock No. M Plan NIR A
 B C D E F W.D.
#46-402 5X NIR 57.50 - 23.80 23.00 32.20 34.00 37.50
#46-403 10X NIR 64.50 1.00 25.20 24.80 32.20 34.00 30.50
#46-404 20X NIR 75.00 - - - 32.20 34.00 20.00
#46-405 50X NIR 78.00 - - - 32.20 34.00 17.00
#46-406 100X NIR 83.00 - 25.00 24.60 32.20 34.00 12.00
#56-982 50X NIR HR 85.00 - - - 37.00 39.00 10.00
#56-983 100X NIR HR 85.00 - - - 37.00 39.00 10.00
#89-350 20X NIR B 69.50 - - - 37.00 37.00 25.50
#89-351 50X NIR B 69.50 - - - 37.00 37.00 25.50
#37-550* 20X NIR LCD 75.02 - - - 32.20 34.00 20.35
Stock No. M Plan NUV A
 B C D E F W.D.
#86-176 10X NUV 64.50 - 25.20 24.80 32.20 34.00 30.50
#46-407 20X NUV 78.00 - - - 32.20 34.00 17.00
#46-408 50X NUV 80.00 - - - 32.20 34.00 15.00
#46-409 100X NUV 84.00 1.80 25.00 24.00 32.20 34.00 11.00
#86-177 50X NUV HR 85.00 - - - 37.00 39.00 10.00
Stock No. M Plan UV A
 B C D E F W.D.
#86-175 10X UV 75.00 - - - 32.20 34.00 20.00
#56-320 20X UV 80.00 - - - 32.20 34.00 15.00
#56-321 50X UV 83.00 - - - 32.20 34.00 12.00
#56-322 80X UV 85.00 - 22.70 - 32.20 34.00 10.00

*LCD 20X parfocal length is 95.37