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20X Mitutoyo Plan Apo Infinity Corrected Long WD Objective

Mitutoyo Infinity Corrected Long Working Distance Objectives

20X Mitutoyo Plan Apo Infinity Corrected Long WD Objective, #46-145

Stock #46-145 $2,055.00
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Product Family Description

  • Long Working Distances
  • Bright Field Inspection
  • High Quality Plan Apochromat Design
  • Flat Image Surface over Entire Field of View

Mitutoyo’s objectives are world-renowned for setting the standard of excellence for long working distance microscope optics. They have achieved the best combination of working distance and optical performance by using a new approach—avoiding outdated conventions used by competitors. Making the objectives larger and longer has made the designs easier (95mm parfocalization length). In order to maintain as high an N.A. and contrast as possible, the lenses are all Plano Apochromats. An apochromatic objective lens is chromatic aberration corrected for red, blue, and yellow while a standard achromatic objective lens is only corrected for red and blue. Plano Apochromats are typically very expensive, but high volume production has made it possible to keep the cost down to that of standard Achromat long working distance objectives. Optimized for bright field illumination (incident illumination parallel to optical axis), these lenses are ideal for in-line illumination applications. For an infinity correction system, a secondary (or tube) lens is required. All stated magnifications are based on a tube lens focal length of 200mm. Mounting thread: M26 x 0.706 pitch (36 TPI).

M Plan Apo SL Series

  • Super-Long Working Distance for Bright Field Inspection
  • 13mm Working Distance for 100X and 200X Models
  • High Quality Apochromat Design
  • Flat Image Surface over Entire Field of View
  • Good Color Reproducibility
  • Standard M Plan Apo Series Available

Accessory Tube Lenses

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

Edmund Optics is the main source for Mitutoyo Objectives. Place your orders now for these in demand quality products.


Common Specifications for Product Family

Compatible Tube Lens :
Focal Length: 200mm
Manufacturer:
Mitutoyo
Mounting Threads:
M26 x 36 TPI
Style:
Infinity Corrected

Specifications

Magnification:
20X
Numerical Aperture NA:
0.42
Depth of Focus (μm):
1.6
Entrance Pupil (mm):
10.3
Field of View, 1/2" Sensor:
0.32 x 0.24mm
Field of View, 18 Diameter Field Eyepiece (mm):
0.9
Field of View, 2/3" Sensor:
0.44 x 0.33mm
Field of View, 24 Diameter Field Eyepiece (mm):
1.2
Focal Length FL (mm):
10.0
Length excluding Threads (mm):
75.0
Maximum Diameter (mm):
34.0
Resolving Power (μm):
0.7
Type:
Microscope Objective
Weight (g):
270
Working Distance (mm):
20
Wavelength Range (nm):
435 - 655
RoHS:

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