The previously rumored Tokina 400mm f/8 IIS mirror/reflex lens for Pentax K-mount is now officially announced – it replaces the current Tokina SZX 400mm f/8 model (sees previous coverage). This is a manual focus reflex lens with T-mount that can be attached to Pentax K-mount cameras with an adapter. The new lens has improved performance – see the details at PhotoRumors:
Announced: Tokina 400mm f/8 mirror/reflex lens in eight different DSLR and mirrorless mounts
Ricoh updated the official Pentax hashtag list with 645 and Q lenses.
No, I am not aware of another company that has an official hashtag list.
The Adobe December releases are now available and they also include support for the Ricoh GR IIIx camera:
Adobe announced Creative Cloud Express – an entry-level platform to the Creative Cloud (similar to Photoshop Express):
Via PhotoRumors
. 
Ricoh will soon release a new Pentax K-3 III camera kit with the DA 20-40mm f/2.8-4 ED Limited DC WR lens according to Nokishita. The new kit will be available in both black and silver. All currently available Pentax K-3 III camera kits can be found here.
A new Tokina 400mm f/8 IIS mirror lens for Pentax K-mount will also be announced soon – it is not clear if this will be a replacement for the current Tokina SZX 400mm f/8 reflex MF lens (pictured above) that uses interchangeable lens mounts or a completely different new design.
The latest DxO Photo Lab 5.1 release (free trial) supports the new Ricoh GR IIIx camera:
All DxO software products are currently up to 30% off until the end of December – use coupon code HOLIDAYDXO:
