Volume 7 Issue 3
Jun.  2014
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LI Hang, YAN Chang-xiang. Design of wide-angle lens for 8 mega-pixel mobile phone camera[J]. Chinese Optics, 2014, 7(3): 456-461. doi: 10.3788/CO.20140703.0456
Citation: LI Hang, YAN Chang-xiang. Design of wide-angle lens for 8 mega-pixel mobile phone camera[J]. Chinese Optics, 2014, 7(3): 456-461. doi: 10.3788/CO.20140703.0456

Design of wide-angle lens for 8 mega-pixel mobile phone camera

doi: 10.3788/CO.20140703.0456
  • Received Date: 12 Nov 2013
  • Rev Recd Date: 16 Feb 2014
  • Publish Date: 25 May 2014
  • In order to meet the requirement of mobile phone market on the wide-angle and high-pixel mobile phone lens, a wide-angle and 8 mega-pixel mobile phone lens is designed. The mobile phone lens are composed of 4 plastic aspheric lens and an IR filter, and the F-number is 2.45 and FOV is 80. The sensor OV8850 made by Omnivision with 8 mega pixels, maximum resolution of 3 280 pixel2 464 pixel, pixel size of 1.1 m, and Nyquist sampling frequency of 454 lp/mm. The design result shows that the MTF value is larger than 0.48 at 1/2 Nyquist sampling frequency in the 0.7 fields of view(FOV), and the MTF of FOV is larger than 0.38. The MTF value in 0.7 FOV is larger than 0.15 at Nyquist sampling frequency and the distortion is less than 2%.

     

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