DK-Optic is a new Chinese lens manufacturer, and they will soon introduce a new Impastolite 50mm f/1.5 lens for Leica M-mount (already listed for sale on eBay) – this is a modern reproduction of the legendary vintage Dallmeyer Septac Anastigmat 50mm f/1.5 lens: You can use coupon code DKOPTIC202607 for $100 off on the official website. … Continue reading New: DK-Optic Impastolite 50mm f/1.5 lens for Leica M-mount