POMEAS PMS-MPT 2N is a C-mount infinity-corrected microscope tube unit with 400 mm focal length, φ20 mm entrance pupil and coaxial illumination supporting 4/3-inch sensors.
POMEAS PMS-MPT 2N Microscope Tube Unit
is part of the POMEAS industrial optics and sensing line. This page lists the key optical and interface specifications so integration engineers can match the unit to camera, lighting and host-system requirements without guesswork.
| Focal Length | 400 mm |
|---|---|
| In-pupil Diameter | φ20 mm |
| Sensor Size | Maximum compatible 4/3-inch (φ22 mm) |
| Length | 268 mm |
| Interface Type | C-Mount |
| Illumination | Coaxial illumination |
| Operating Temperature | -10°C to +50°C |
| Optical Design | Infinity-corrected; compatible with mainstream flat-field achromatic long working distance objective lenses |
LCD, OLED, PCB, FPC and semiconductor inspection stations that need an infinity-corrected tube with coaxial illumination on 4/3-inch cameras.

It is compatible with mainstream brands of flat-field achromatic long working distance objective lenses in an infinity-corrected path.
It supports up to 4/3-inch (φ22 mm) sensors through its C-mount interface.
Yes, it has a professional coaxial optical path with uniform illumination for clear, high-contrast images, and supports modular extensions such as DIC and objective switching.
Related Reading: Objective & Auxiliary Lenses | Apo Vs Plan Achromatic Vs Achromatic Objectives
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