Fotocamera mirrorless convertita infrarossi IR 580nm Panasonic DMC-GF6 M43 41
IR Cut filter on a sensor is replaced with 720nm IR pass filter. I tried with Panasonic 14-42mm, 14-45mm, Olympus 30mm, Olympus 14-150mm and there were no hotspots, but Laowa 7.5mm and Olympus 45mm f/1.8 had hotspots.