Samyang 135mm f/2.0 ED UMC Lens for Nikon F Mount with AE Chip
http://www.bhphotovideo.com/c/product/1110693-REG/samyang_sy135m_n_135mm_f_2_lens_for.html
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洋人 的眼睛很深自动对焦经常锁定在鼻子. This lens focus down to 0.8 meter. One could focus on the eyes easily.