Your search query on "LEICA Other Microscope Parts & Accessories" returned the following results:

30MM X 4MM Microscope Slider Polarizing or Other Filters Leitz or Equal (276507336965)

30MM X 5MM Microscope Slider Polarizing or Other Filters Leitz or Equal (276507340811)

Leitz Wetzlar 519760, 519761, 519804 & Other Assorted Microscope Objective~30363 (115853081270)