Mask render preview to only show what camera sees?

[grant.r.brown]

Hi folks,

I feel like I should know this - and I’m sure I’ve seen this done - but is there a way to only show the camera view in render previews?

i.e. :

Thanks!

[anon95228951]

The passepartout slider in the camera properties.

[grant.r.brown]

Thanks!

No wonder I couldn’t find it either - no idea it was called that!