High Precision Plan Apochromatic Objective Set 5X/10X/20X/50X Long Wd M Plan Apo & Nir Plan Apo Lens for Material & Wafer Inspection

High Precision Plan Apochromatic Objective Set 5X/10X/20X/50X Long Wd M Plan Apo & Nir Plan Apo Lens for Material & Wafer Inspection. Excellent correction for chromatic & spherical aberration, sharp and distortion-free imaging across the entire field of view. M Plan Apo for visible brightfield inspection; 50X NIR Plan Apo supports near-infrared detection, one set meets two testing demands. 5X(WD38.8mm),10X(WD32mm),20X(WD20mm),50X(WD10mm). Ample space to install ring light or test probe for irregular & deep-hole samples. Progressive NA from 0.15 up to 0.67, finish macro overview to ultra-fine micro defect inspection with one objective set. Matches mainstream 200mm tube lens system, widely interchangeable with most industrial metallurgical microscopes. Black hard-anodized aluminum barrel with anti-slip knurling; optional AR / DLC / IBS coating for high transmittance and anti-abrasion performance.