... 67mm, 72mm, 77mm, 82mm White balance lens cap for CanonModels we supply: 52mm, 55mm, 58mm,62mm, 67mm, ... putting the cap back on the camera, point the camera at the light source and then ... snap a reference image for the use as ... cap with interchangeable domesIncludes neutral and warm domesReplaces lens cap - eliminating extra itemsReady for use when camera and ...