POMEAS M Plan Apo L 20X is an infinity-corrected long working distance plan apochromatic objective with NA 0.34, 29.5 mm working distance and 0.8 μm resolution for a 200 mm tube lens.
POMEAS M Plan Apo L 20X Long Working Distance Objective
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.
| Magnification | 20X |
|---|---|
| Numerical Aperture | 0.34 |
| Working Distance | 29.5 mm |
| Focal Length | 10 mm |
| Resolution | 0.8 μm |
| Depth of Field | ±2.38 μm |
| Object-Side Field of View | 1.25 mm |
| Image-Side Field of View | 25 mm |
| Reference Tube Lens | f = 200 mm |
| Mounting Thread | M26 × 0.705 |
| Parfocal Distance | 95 mm |
| Weight | 314 g |
High-resolution inspection and precision machine-vision measurement, semiconductor and electronics metrology, and any 200 mm tube-lens system needing 29.5 mm clearance at 20X.

It is specified for a 200 mm reference tube lens in an infinity-corrected system, and covers a 25 mm image-side field of view.
The working distance is 29.5 mm, leaving clearance for fixtures, protective windows and staged handling during inspection.
It mounts on an M26 × 0.705 thread with a 95 mm parfocal distance and weighs 314 g.
Related Reading: Objective & Auxiliary Lenses | Apo Vs Plan Achromatic Vs Achromatic Objectives
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