Check the listing for details. RMS TO M25 THREAD BRASS WITH FLANGE MICROSCOPE OBJECTIVE LENS ADAPTER. Condition: New. Listed at 28.00 USD. This is a NEW FEMALE RMS TO MALE M25 THREAD BRASS MICROSCOPE OBJECTIVE LENS ADAPTER WITH FLANGE. These are most commonly used for adapting a standard RMS thread objective lens to the larger objective lens thread used for Nikon, Olympus, Leica and Mitutoyo reflective light metallurgical microscope nosepieces. We sell the most common thread adapters with flanges for both M25 and M26 threads. However, M25 and M26 are different threads and are not interchangeable. Please be sure to know which adapter your nosepiece or other objective lens mount uses before placing an order This listing includes only what is shown in the image, one FEMALE RMS TO MALE M25 THREAD BRASS MICROSCOPE OBJECTIVE LENS ADAPTER WITH FLANGE.only. See my other auctions for more adapter items. Buyers pays $5.00 shipping.