Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
촛점면은 사진의 선명도를 결정하는 중요한 요소입니다.chotjeom-myeon-eun sajin-ui seonmyeongdo-reul gyeoljeonghaneun jungyohan yoso-imnida.The focal plane is an important factor that determines the sharpness of a photo.