This is an endoscope with adjustable focal length lens.A lens group with adjustable focal length is arranged in the lens part of the endoscope.Combined with the structure of voice coil motor,It provides the whole auto focus effect.On the inner side of the front end package part of the lens part,There is a holding groove.Tie to the upper part of the lens set.When the lens group is moving to focus,It has an activity space.When the lens is extended into the human body shooting cavity,Whether the operator moves it to any position,The lens group can automatically achieve the focusing effect.And the depth of field is longer than the original fixed focus lens design.It enables medical personnel to obtain clear images with longer focal length at any time.And is conducive to the operation,Those who have achieved remarkable practicality.本創作為一種具可調焦距鏡頭之內視鏡，主要於內視鏡之鏡頭部內部設以一可調整焦距的鏡片組，並結合以音圈馬達的結構，而提供整體之自動對焦功效，另在鏡頭部之前端封裝部內側，設有一容置槽，係對合在鏡片組的上方位置，可供鏡片組在移動對焦時，具有一活動空間，而當鏡頭部伸入人體拍攝腔內狀態時，無論操作者將其移動到任何位置，該鏡片組均可自動達成對焦之效果，並且形成比原有定焦鏡頭設計更長之景深，使醫療人員得以隨時獲得更長焦段之清晰影像，而有利於手術的進行，獲致顯著的實用性者。
