CPC G02B 7/021 (2013.01) [G02B 7/08 (2013.01); G02B 13/004 (2013.01); G02B 13/009 (2013.01); G02B 13/0065 (2013.01); G02B 13/02 (2013.01); G02B 27/0149 (2013.01); H04N 23/55 (2023.01); H04N 23/58 (2023.01)] | 4 Claims |
1. An optical lens module, comprising N lens elements L1 to LN, wherein N=4 or 5, wherein each lens element Li has a height HLi for 1≤i≤N, and wherein HL1=HLN>HL2, wherein each lens element comprises a respective front surface S2i−1 and a respective rear surface S2i, the lens element surfaces marked Sk where 1≤k≤2N, wherein each lens element surface has a clear aperture value CA(Sk), wherein the optical lens module is included in a digital camera together with an image sensor that has a sensor diagonal SD, and wherein a ratio CA(S2N)/SD between the clear aperture value of a rear surface of last lens element CA(S2N) and SD is smaller than 0.8.
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