aberration bokeh bokeh background chromatic aberration chromatic distortion color distortion depth blur depth of field digital glitch distorted wave distortion film burn film grain fisheye flash Flicker Strobe glitch lens flare lens flare overlay light flash light leaks luma fade Luminance Fade mirror overlay overlay textures pixel distortion reflection mirror ripple effect strobe Texture Leaks time warp transition effects transitions turbulent vhs vintage vhs warp wave wide angle