供一種裝在單鏡頭反光照相機上，專供攝證件用人像照片的專用鏡頭.這種鏡頭裝有6組經高新技術鍍膜處理的光學透鏡，一次曝光即可在底片上獲得6個同一表情的人像，擴印5吋片得6張1吋照片，擴印7吋片可得6張2吋照片，方便快捷，且成本較低.
For a single-lens reflex camera mounted on the intake documents specifically fordedicatedpersonnel such as a photo lens. This lens is equipped with six groups treated by high-techopticallens coating, one exposure can be in the same film won 6 expression of the portrait, photographic processing 5-inch piece was six one-inch photos, photographic processing 7-inch piece of available six 2-inch photos, fast and convenient, and low cost.
