In the acute circumstance where an item is definitely an infinite distance away, S1 = ∞, S2 = f and M = −f/∞ = 0, indicating that the object could be imaged to one level in the focal aircraft. 저작자 명시 필수 영리적 사용 불가 내용 변경 불가 저작자 https://hkcollections78900.wikibyby.com/324760/the_basic_principles_of_콘텍트_렌즈_원리