NiSi announced new square filter holder kits for Ricoh GR III cameras. Two different versions are available for sale at Amazon US, Amazon CA, Amazon UK, Amazon DE, Amazon FR, Amazon IT, Amazon ES, Amazon JP: Designed for Ricoh GR III, Aluminum Alloy construction filter holder Easy to install, Support 360-degree rotation, can hold up … Continue reading New: NiSi square filter holder kit for Ricoh GR III cameras