Ephotozine Fully Tested the HD 150-450

https://www.ephotozine.com/article/pentax-hd-pentax-d-fa-150-450mm-f-4-5-5-6-ed-dc-aw-review-27359

K-3 Vs K-3 II AF-C Shootout

http://history.hatenablog.com/entry/2015/06/08/000000

Product Recall: Power Leakage Problem of the K-3 II

http://news.ricoh-imaging.co.jp/rim_info/2015/20150710_009081.html

Pentax FF to be Launched October 3rd, with Two New Lenses?

http://bbs.fengniao.com/forum/4901942.html

See the above rumour at a Chinese forum, someone said that he had pre-ordered!