Tekiac is selling a special mounting aid tool for attaching the new B+W Ultra Slim Filter Series on Leica Q3 43 cameras (this is the first B+W filter that can be used in macro mode and with the Q3 43 lens hood). You can use the discount code LEICARUMORS to receive a 5% discount when purchasing … Continue reading New: Tekiac mounting tool for B+W Ultra Slim Filter Series for Leica Q3 43 cameras