Olympus 45mm ND6 filter, from BX50 microscope, 6% Transmission

Olympus BX50 microscope frost glass transmitted light port

Olympus BX50 microscope cover, screwdriver holder, plugs

Olympus BX50 microscope halogen lamphouse socket

Olympus BX50 microscope transmitted light filter holders and parts

Olympus BX50 microscope bottom cover

Olympus BX50 microscope nosepiece mounting dovetail for DIY

ND2.0 2-stop ND filter, 45mm diameter for microscope like Olympus