Mitutoyo BD Plan Apo 2x Objective for MF-U Measuring Microscopes (Brightfield / Darkfield)


SKU: MIT378-831-7 Categories: , Brand: MPN: 378-831-7

The Mitutoyo 378 Series objectives have the world's longest working distance and an infinity correction optical system. These objectives provide flexible observation at high magnifications and independent correction of chromatic aberration.

  • The long working distance objectives provide excellent clearance between the lens surface and the work-piece surface in focus, making it possible to observe work-pieces which are usually hard-to-focus because of awkward projections.
  • The metallurgical plan apochromatic (M Plan Apo) objective provides a flat, chromatic aberration-free image throughout the field of view, making it suitable for any type of microscope.
  • Specially designed objectives also are available with correction for near-infrared radiation, near-ultraviolet radiation, and ultraviolet radiation, or various thicknesses of LCD screen glasses.
  • The mounting screw threads of objectives are designed to conform to JIS B-7141-1988.
  • For MF-UC & MF-UD Models
  • Compatible observation method: Bright-field observation, dark-field observation, simple polarized observation, differential interference observation
  • Advantage: Dark-field observation is also supported while maintaining the performance of the M Plan Apo objective series.
Magnification 2x
N.A. 0.055
W.D. 34.0mm
Focal distance 100mm
Resolving power 5.0μm
Focal depth 91μm
View field with ø24 eyepiece ø12mm
View field with CCD camera 2.4 x 3.2mm
Mass 340g

* View field with CCD camera is a view field when using Mitutoyo Vision Unit


Mitutoyo MF-UC1010D High-Power Multi-Function Measuring Microscopes, Bright/Dark Field, X/Y-axis Measurement System, XY Stage Travel Range: 4 x 4″ / 100 x 100mm
Product Code: MIT176-881-10 $27,651.00$32,800.00

We're happy to answer all your questions about this product.

There are no questions yet. Be the first to ask a question about this product.

Send me a notification for each new answer.


There are no reviews yet.

Be the first to review “Mitutoyo BD Plan Apo 2x Objective for MF-U Measuring Microscopes (Brightfield / Darkfield)”

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.


Calculate shipping costs at cart or checkout. Our representatives are also happy to assist you with a Shipping Quote.

  • Shipping methods available: UPS / FedEx / USPS
  • Weight: 1 lbs
  • Dimensions: 3 × 2 × 2 in


If you are dissatisfied with your purchase, let us help you with a replacement, return or repair. Items can be returned within 7 business days of receipt of your order without any restocking fee. Items must be in new condition with the original packaging.

Please contact us to receive an RMA number and steps on how to proceed with your return.

Exclusions may apply. For more information, read our Returns and Exchanges policy