[1] HAN CH Y. Study on optical system of high resolution space camera［J］. Opt. Precision Eng., 2008, 16(11): 2164-2172. (in Chinese)

[2] LIU L, CAO G H. Double cam focusing mechanism of space camera with wide field and long-focal-plane［J］. Opt. Precision Eng., 2012, 20(9): 1939-1944. (in Chinese)

[3] YANG Y B. Study on focusing technique for space optical camera［J］. Spacecraft Engineering, 2011, 20 (2): 20-24. (in Chinese)

[4] XU ZH T, LIU J G, LONG K H, et al.. Accuracy analysis of focusing mechanism of high resolution space camera ［J］. Acta Optica Sinica, 2013, 33(7): 0728001. (in Chinese)

[5] YANG H SH, ZHANG Y H, CHAI F M, et al.. Design of focusing mechanism for off-axis TMA space camera ［J］. Opt. Precision Eng., 2013, 21(4): 948-954. (in Chinese)

[6] LU SH L, LIU J G, JIA P, et al.. Design of focusing system for multispectral cameral with off-axis TMA［J］. Opt. Precision Eng., 2013, 21(8): 2154-2160. (in Chinese)

[7] SHAO M D, GUO J, SUN J M. Design of focusing mechanism for off-axis TMA mapping cameras ［J］. Chinese Optics, 2012, 5(4): 373-379. (in Chinese)

[8] LIU B Q, ZHANG F, LI J L, et al.. Analysis of synchronous motion error for focusing mechanism of space camera ［J］. Chinese Optics, 2013, 6(5): 773-779. (in Chinese)

[9] WANG SH X, LI J L, LIU L, et al.. Accuracy analysis of focusing mechanism in space camera with long focal-plane［J］. Opt. Precision Eng., 2010, 18(10): 2239-2243. (in Chinese)

[10] CHEN H D, CHEN Y H, SHI T T, et al.. Error analysis for focusing mechanism of space camera［J］. Opt. Precision Eng., 2013, 21(5): 1349-1356. (in Chinese)