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Mitutoyo M Plan NUV/NUV HR Objectives - 10X, 20X, 50X & 100X
Description
Series 378 Objectives - M Plan Apo NUV/M Plan Apo NUV HR for Brightfield Observation
- 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.
- Long working distance objectives provide excellent clearance between the lens surface and the workpiece surface in focus, making it possible to observe features that are usually hard to bring to focus because of awkward projections.
- Specially designed objectives are also available with correction for near-infrared, near-ultraviolet, and ultraviolet, or for observing through LCD screen glasses.
- The mounting screw threads of objectives are designed to conform to JIS B-7141-1988.
Note: Focal length and focal depth for objectives are specified at a reference wavelength of 0.55 µm irrespective of working wavelength.
Stable parfocal distance with an operating wavelength
Near-Ultraviolet Corrected
These objectives are designed so that a workpiece's image remains substantially in focus even when the wavelength used is changed anywhere from the visible range (λ = 620 nm) to the near-ultraviolet range (λ = 355 nm). Therefore the M Plan APO NUV Series is suitable for laser repair applications.
Tech Specs
| M Plan Apo NUV | M Plan Apo NUV HR | |||
|---|---|---|---|---|
| MIT-378-809-5 | MIT-378-817-8 | MIT-378-819-4 | MIT-378-888-6 | |
| Magnification | 10X | 20X | 100X | 50X |
| Numerical Aperture | 0.28 | 0.40 | 0.50 | 0.65 |
| Working Distance (mm) | 30.5 | 17 | 11 | 10 |
| Focal Length (mm) | 20 | 10 | 2 | 4 |
| Resolving Power (µm) | 1.0 | 0.7 | 0.6 | 0.42 |
| Focal Depth (µm) | 3.5 | 1.7 | 1.1 | 0.65 |
| View Field 1*1 (mm) | ø2.4 | ø1.2 | ø0.24 | ø0.48 |
| View Field 2*2 (mm) | 0.48 x 0.64 | 0.24 x 0.32 | 0.05 x 0.06 | 0.10 x 0.13 |
| Mass (g) | 255 | 340 | 380 | 500 |
*¹Field of view when using a field number 24 mm eyepiece.
*²Field of view when using 1/2" CCD camera.
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Additional Information
| SKU | 378-80/1/8XX |
|---|
