China NIR PLAN APO 10X/0.28 – Infinity Corrected Plan Apochromatic Objective, f=200mm Tube Lens, for Near‑Infrared Microscopy Manufacture and Factory

NIR PLAN APO 10X/0.28 – Infinity Corrected Plan Apochromatic Objective, f=200mm Tube Lens, for Near‑Infrared Microscopy

The NIR PLAN APO 10X/0.28 is a premium infinity‑corrected plan apochromatic microscope objective optimised for the near‑infrared (NIR) range. With a magnification of 10X and a numerical aperture (NA) of 0.28, it delivers sharp, high‑contrast images with minimal chromatic aberration across a broad wavelength range (e.g., 532–1064 nm, including 780 nm and 1064 nm). Designed for use with a 200 mm tube lens (∞/0, f=200), this objective integrates seamlessly into industrial inspection systems, laser processing workstations, and research microscopes.

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Key Advantages

Apochromatic NIR correction – Corrects chromatic aberrations for three wavelengths in the NIR/visible range, producing colour‑accurate, high‑definition images without fringing.
Infinity correction – Allows easy integration of beam splitters, filters, polarisers, and DIC components in the parallel optical path.
High NA 0.28 – Provides excellent resolution for a 10X objective, capable of resolving fine details (theoretical limit ~1.2 µm at 550 nm).
Long working distance (~34 mm) – Offers ample clearance for thick samples, manipulators, or coaxial illuminators, ideal for industrial inspection.
Plan flat‑field design – Ensures even focus across the entire field of view, from centre to edge.
Standard mechanical interface – M26 thread and 95 mm parfocal distance make it a direct replacement for most metallurgical microscopes (Nikon, Mitutoyo, etc.).