You need steady hands and a good eye to line yourself up perfectly straight, and you'll need a tap and dye set. (mechanics.stackexchange.com)
However, the shutter speed can be really slow in such lighting situations, so very steady hands will be required to avoid blurry photos. (androidauthority.com)
So we've designed in a small shelf in front of the display that will help you to steady your hand as you operate the screen. (autoexpress.co.uk)