M26x0.75 & M26x36pti (W26)
Nikon BD objectives use M26x0.75 metric thread.
Mitutoyo infinity-corrected plan-apochromat objectives (M Plan Apo, M Plan Apo HR series) use M26x36tpi mixed thread.
Compatibility and limitations: Our adapters in this category are designed to accept both Nikon M26x0.75 and Mitutoyo M26x36tpi microscope objectives, using a short, clearance-fit thread.











