Leica Soft Release Button, Aluminum, Silver Anodized. The Soft Release Button enlarges the shutter release button on the Leica Q3, Leica D-Lux 8, and Leica M cameras. This makes triggering the shutter easier and more comfortable while shooting. It also gives the camera a distinctive look. The Leica Q3 camera accessories offer a range of color options and can be combined as desired. These include: - Thumb rest - Hot shoe cover - Soft Release Button - Round lens hood - Lens cap. The accessories are available in three finishes: aluminum, black anodized or silver anodized, and brass, blasted.