| 摘要 |
A digital imaging lens is constructed to include a fixed iris, and an optical unit, the optical unit including five lenses arranged in proper order behind the fixed iris, the first lens being a biconvex lens disposed at the front side behind the fixed iris, the fifth lens being a biconvex lens disposed at the rear side, the second lens being a biconcave lens spaced between the first lens and the third lens, the third lens being a positive meniscus lens having its convex surface facing the image side, the fourth lens being a negative meniscus lens having its convex surface facing the object side, the fifth lens being a biconvex lens adhered to the fourth lens.
|
