The term "lens aperture" refers to the opening inside a camera lens that controls the amount of light reaching the camera's image sensor. Full definition
Also the whether lens aperture f / 2.6 or what? (gogi.in)
The leak, however, doesn't mention mention pixel size or lens aperture related to the front - facing camera. (mobilesyrup.com)
When activated, the mode brings up another button for adjusting the camera lens aperture, and a slider lets you strengthen or lessen the blur. (digitaltrends.com)