Olympus SLMPlan N 20X Epi Objective | 0.25 NA Super Long Working Distance, Infinity Corrected

The Olympus SLMPLN20X 20× Objective is a specialized super-long working distance objective engineered for demanding applications requiring exceptional clearance. With an extraordinary 25 mm working distance, this objective is an essential tool for inspecting thick specimens, accommodating probe stations and micromanipulators, and enabling in-situ testing and measurements that would be impossible with conventional objectives.

The super-long working distance of 25 mm is one of the longest available for a 20× objective, providing generous clearance that is critical when working with thick castings, machined parts, circuit boards, or any specimen with significant surface relief. This exceptional working distance also enables the use of probe stations, micromanipulators, and other equipment during observation, making it ideal for in-situ electrical testing, mechanical measurements, and dynamic experiments.

At 20× magnification with a numerical aperture of 0.25, this objective delivers excellent resolution and detail while maintaining the extended working distance. The SLMPLN optical design ensures flat-field imaging with minimal distortion, optimized specifically for super-long working distance applications where maintaining optical performance is challenging.

Compatible with standard upright microscopes via RMS thread mount, this objective integrates seamlessly into industrial, materials science, and research workflows where maximum working distance is essential.