LEE filters has released a useful accessory for landscape photographers who want more versatility out of their filter system. The new LEE100 Tandem Adapter lets you stack two LEE100 filter holders on top of each other and rotate them independently, so you can really dial in your exposure in-camera. Announced on Facebook a few days ago, the company is calling its LEE100 Tandem Adapter “a totally unique feature of the LEE system.” It works simply enough. Just slot the adapter…