News updates: We've followed up some of our recent news stories to bring you up-to-date. Sigma gives updated details on lens availability for Sony and Pentax, and Adobe's Photoshop Express updates Flickr into life.

Sigma has provided us with updated information about the availability of the lenses for Pentax and Sony mounts, announced at PMA in January. The 70-200mm f/2.8 APO EX DG MACRO HSM II and 50-150mm f/2.8 APO EX DC HSM II lenses, should be available at the beginning of August, we are told.

Meanwhile, Adobe has announced that the delayed updates to its Photoshop Express image storage and editing site have been implemented. The changes (detailed here) are now live, include allowing users to pull and push their images to and from their Flickr accounts.