Leica Plan APO 1.0x Objective for M Series Stereo Microscopes

The Leica Plan APO 1.0x objective is the standard-magnification workhorse for the Leica M and MZ stereo microscope series, combining apochromatic optical correction with a long 61.5mm working distance that gives users ample room to work beneath the lens. The Plan APO designation ensures that chromatic and spherical aberrations are corrected to the highest standard, producing crisp, color-accurate images edge-to-edge — critical for documentation, measurement, and any application where optical fidelity matters. At 1.0x, this objective maintains the native zoom ratio of the microscope body, making it the ideal choice when maximum working distance and full zoom flexibility are both required. The M65 thread and 66mm outer diameter provide a secure, direct mount to compatible Leica M and MZ series bodies with no adapters needed.