Aperture mainly correlated camera ’ opening.Some common values aperture camera include f/8 , f/11 , f/16.As mentioned , apertures work reverse.The smaller number assigned , wider opening.Therefore , f-stop 8 better light reception f-stop 11.In locations dim lighting , set device small f-stop allow light enter camera.An f-stop f/4 already low light photography.However , plan taking considerable amount time shooting photos poor lighting conditions , opt invest lens maximum aperture goes somewhere around f/2 f/1.4.Whenever adjusting aperture , go much wider this.Aperture works correlation shutter speed ISO poor lighting conditions.Like ISOs , increasing aperture also mean increasing disadvantages.It small sacrifices make order land best shot .