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All Products / Microscopy / Infinity Corrected Objectives / Mitutoyo Brightfield and Darkfield (BD) Infinity Corrected Objectives
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2X Mitutoyo BD Plan Apo Objective

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Mitutoyo Brightfield and Darkfield (BD) Infinity Corrected Objectives

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Stock #18-402 3-5 days
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S$1,703.75
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S$1,703.75
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Field of View, 24 Diameter Field Eyepiece (mm):
12

Product Details

Model Number:
378-831-13
Type:
Microscope Objective
Style:
Infinity Corrected
Manufacturer:
Mitutoyo

Physical & Mechanical Properties

Length excluding Threads (mm):
61.00
Maximum Diameter (mm):
44
Weight (g):
340

Optical Properties

Compatible Cover Glass Thickness (mm):
N/A
Focal Length FL (mm):
100.00
Magnification:
2X
Numerical Aperture NA:
0.055
Resolving Power (μm):
5
Depth of Field (μm):
91.00
Working Distance (mm):
34
Wavelength Range (nm):
435 - 655
Parfocal Length (mm):
95
Immersion Liquid:
N/A

Sensor

Maximum Sensor Format:
2/3"

Threading & Mounting

Mounting Threads:
M40 x 36 TPI

Environmental & Durability Factors

Operating Temperature (°C):
+5 to +40

Additional Info

Compatible Tube Lens Focal Length (mm):
Focal Length: 200mm
Note:
#18-653 or #18-652 are required for darkfield operation.

Regulatory Compliance

RoHS 2015:
Exempt
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Certificate of Conformance:
View
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REACH 241:
Contains SVHC(s)
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Product Family Description

  • Ideal for Brightfield and Darkfield Microscopy Applications
  • Long Working Distances and High Numerical Apertures
  • Plan Apochromat Design

Mitutoyo Brightfield and Darkfield (BD) Infinity Corrected Objectives offer long working distances with high numerical apertures. The high-quality plan apochromatic design allows these objectives to maintain high numerical apertures and contrast while correcting chromatic aberration in the visible wavelength region. These objectives feature M40 x 36TPI mounting threads. Mitutoyo Brightfield and Darkfield (BD) Infinity Corrected Objectives are optimized for both brightfield and darkfield illumination for applications including surface inspection and advanced life science microscopy.

Technical Information

Dimensions (mm)
Stock No. BD Plan Apo A B C D E F W.D.
#18-402 2X 61.0 4.0 40.0 37.0 42.0 44.0 34.0
#18-403 5X 61.0 4.0 40.0 37.0 42.0 44.0 34.0
#18-404 7.5X 61.0 4.0 40.0 37.0 42.0 44.0 34.0
#18-405 10X 61.0 4.0 40.0 37.0 42.0 44.0 34.0
#18-406 20X 75.0 7.0 40.0 32.0 42.0 44.0 20.0
#18-407 50X 82.0 8.5 40.0 32.0 42.0 44.0 13.0
#18-408 100X 89.0 10.0 40.0 31.5 42.0 44.0 6.0
Stock No.
 BD Plan Apo SL A B C D E F W.D.
#18-409 20X SL 64.5 7.5 40.0 31.0 42.0 44.0 30.5
#18-410 50X SL 75.0 7.0 40.0 32.0 42.0 44.0 20.0
Stock No.
 BD Plan APO HR A B C D E F W.D.
#18-411 50X HR 89.9 4.8 40.0 32.0 42.0 44.0 5.2
#18-412 100X HR 93.7 4.7 40.0 32.0 42.0 44.0 1.3