The Yongnuo YN585EX wireless speedlite is compatible with Pentax Wireless Flash System (P-TTL):
A YN585EX supports receiving wireless signal from the master unit of AF-360FGZ, AF540FGZ II and other Pentax cameras. It also supports 4 channels, off-camera TTL and manual flash.
Yongnuo YN585EX features:
Starting October 1st, the price of the Pentax K-1 camera went up by $150 at Adorama and B&H, but Amazon still sells the camera for the old price of $1,796.95. I am not sure if this price increase is permanent and what other products are impacted.
Update – there has also been a K-1 price increase in Europe: from €1,999 up to €2,099.
If you missed the dpreview interview with Ricoh at Photokina (I shared it already on Facebook and Twitter few days ago), here is an interesting quote regarding the future of the GR line:
Ricoh released firmware update version 1.30 for the Pentax K-1 DSLR camera (see also this PDF for information). Here is the change log:
The Pentax HD Pentax-DA 55-300mm f/4-5.8 ED WR lens is currently $50 off at B&H.
More specials on Pentax lenses can be found here.
Pentaxforums published their interview with Ricoh at the 2016 Photokina show. Some key points from the interview:
