Mic-UK: Easy to make contrast enhancement filters for the microscope.
Amazon.com: AmScope FT-G45 Microscope Green Light 45mm Filter : Electronics
OPTIKA M-550 Interferential Green Filter - New York Microscope Company
Nikon Instruments Microscope Filter 45mm Green Interference MBN11200 | Free Shipping over $49!
AmScope FT-G32 32mm Green Color Filter for Compound Microscope: Amazon.com: Industrial & Scientific
Microscope Filters – VEE GEE Scientific
Microscope Color Filter Green Blue Yellow Red Frosted Glass Optical White Biological Microscope Filter 32mm 35mm 42mm 45mm|Microscope Parts & Accessories| - AliExpress
Motic Microscope green filter (for AE2000 MET)
Nikon 45mm Green Filter for Microscopy - In Stock – Florida Microscopes - Sales and Service
45mm Green Interference Filter for Microscope
Photomicrography - Color Compensating Filters - Green | Olympus LS
30mm Green Microscope Filter
MICROSCOPE PART OPTICAL GREEN FILTER OPTICS AS IS BIN#34-43 | eBay
Green Bandpass Filter for Fluorescence Stereo Microscopy
Microscope Color Filter Green Blue Yellow Red Frosted Glass Optical White Biological Microscope Filter 32mm 35mm 42mm 45mm|Microscope Parts & Accessories| - AliExpress
26mm Microscope Filter (Green) | View Solutions Microscope Store
38mm Microscope Filter (Green) | Boli Optics Microscope Store
Olympus Microscope IF550 Green Filter – Microscope Marketplace