New additions for version 4.52 of the GSD Calculator: IGI Quattro-DigiCAM-400 IGI Quattro-DigiCAM-300 IGI DigiTHERM-1920-C IGI DigiTHERM-1280-C IGI DigiTHERM-640-C IGI Penta DigiCAM-100 [Center] IGI Penta DigiCAM-80 [Center] 6-DAS-1 (Wehrli) 4-DAS-1…
