US Patent 7199947 Miniature digital camera lens

Miniature camera lenses (100, 300) include in order an object side (116, 302) to the image side (118, 304) a first double concave lens (102, 306), a lens group including first convergent meniscus lens (104, 318), a first double convex lens (106, 312), a second convergent meniscus lens (108, 318), a second double concave lens (110, 330), a second double convex lens (112, 336), and a divergent meniscus lens (114, 342). The lenses (100, 300) feature a field of view of about fifty six degrees, low distortion, a relatively long back focal distance, and a relatively low F-number.