Long-pass filter, for Thermal Imager Camera

Made:
1989 in Japan
maker:
Mitsubishi Electric Corporation

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Long-pass filter for Mitsubishi Thermal Imager, model IR-5120A II, part no.F043, serial no.7147-18

Details

Category:
Optics
Object Number:
1990-579 Pt3
Materials:
glass, metal (unknown) and paint
credit:
Mitsubishi Electric UK Ltd.