The following filters work with the series below:
Microscope Series: MC-60, MC-70, MT7500, MT8500, IM7500
Illuminator Series: MA275 (MT-BD-MET), MA928 (MT7500/MT8500), MA993 (MC-60/70) and IM7500
NOTE: Metal mount is 45mm wide x 40mm tall and fits into a 30mm filter slot