GoPro® HERO® 4 Black Front Faceplate less_popular_mp_lens This service item includes saving

This service item includes saving your GoPro Hero 5 & 4 camera's unique lens profile to your camera

There is a hole for either an m12 or CS lens to stick out

25mm is very narrow (3x zoom compared to stock lens) it is not recommended to be used on mounts that may transfer vibrations to it

without the lens correction the corners would be slightly blue/green (see below)

This means you can use it in the GoPro® HERO® 4/3 waterproof housing and the focus will not change

GoPro® HERO® 4 Black Front Faceplate less_popular_mp_lens This service item includes savingNew GoPro HERO 4 Black Front Faceplate. Comes with power mode button cover.