Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hon Hai Prec Ind Co LtdfiledCriticalHon Hai Prec Ind Co Ltd
Priority to TW93117725ApriorityCriticalpatent/TWI272404B/en
Publication of TW200600826ApublicationCriticalpatent/TW200600826A/en
Application grantedgrantedCritical
Publication of TWI272404BpublicationCriticalpatent/TWI272404B/en
A miniature image pick-up lens system comprises an aperture stop; a biconvex first lens; and a meniscus-shaped second lens having a concave surface on a side of an object. The stop, the first lens and the second lens are aligned in an order from the object side to an image side. Each of the lenses has at least one aspheric surface and at least one of the two lenses is made of glass. The system satisfies the following condition: (1) 1 < T/f < 1.6; wherein f indicates a focal length of all system, and T indicates a length from the aperture stop to an image pick-up surface.
TW93117725A2004-06-182004-06-18Miniature image pick-up lens system
TWI272404B
(en)