You can read about IR equipped tanks on Achtungpanzer
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From March to April of 1945, approximately 50 Panthers Ausf G (and other variants) mounted with FG 1250, saw combat service on the Eastern Front and Western Front. Panthers with IR operated with SdKfz.251/20 Uhu (Owl) half-track with 60cm infra-red searchlight and Sd.Kfz.251/21 Falke (Falcon).