All FPV camera's need to be focused, It's difficult to use your goggles or screen to adjust the focus. Now you can simply point your camera to the Quanum focus sticker, using a siemans star inspired pattern there's no reason to not see the competition when racing or your favourite sites when flying. The Siemans star is the best way to set the focus on any FPV cameras.
Sieman star inspired pattern
Size: 210 x 200mm