Canon Japan has announced a shortage of its recently released EF 70-200 f/2.8 L IS II USM lens because of higher than expected demand. The company says it is attempting to boost supply to meet demand across all markets. (16:15 GMT)

Fujifilm and Ricoh have announced firmware updates for their long zoom cameras. Fujifilm has updated a number of cameras from its S series of digital superzooms including the S2500HD. The latest versions for all the cameras bring improvements to the HD and live view settings. Ricoh's firmware update for its CX3 compact superzoom fixes a minor image preview bug. (16:05 GMT)

Sigma Japan has announced its APO 150-500mm f/5-6.3 DG OS HSM lens will be available soon in Sony and Pentax mounts. Currently available in Canon, Nikon and Sigma mounts, the Sony version will start shipping from March 27, 2010 followed by the Pentax version from April 23, 2010. As previously announced, the 17-70mm f/2.8-4 DC Macro OS HSM lens has started shipping in Sony and Pentax mounts at a retail price of ¥56,200 (~US $620). (11:10 GMT)

Sigma has announced a firmware update for its DP2 digital compact. Version 1.04 adds faster auto focusing speed to the camera. The firmware will be available for download from March 26, 2010. (10:45 GMT)

Canon has released firmware v2.0.4 for its 5D Mark II DSLR that corrects the bug found in the previous version. With v2.0.3, sound recording would not work if a manual record volume was used in the C1/C2/C3 custom settings modes. The revised firmware update addresses the issue and is now available for download from Canon's website. (Updated) (11:45 GMT)

Ricoh has posted the first firmware update for its GXR system, covering the A12 50mm equiv. macro and S10 24-72mm equiv. zoom lens units. Version 1.07 fixes minor bugs and brings in a few improvements, including additional AF modes for the A12 module that offer faster autofocus. The single firmware file will make appropriate changes for each unit and is available for immediate download from Ricoh's website. (10:30 GMT)

Just posted! Our in-depth review of the Ricoh GXR with the S10 24-72mm F2.5-4.4 VC lens module. After we reviewed Ricoh's A12 50mm APS-C module a couple of weeks ago it's now the more compact S10's turn. It's got a smaller 1/1.7 sensor and comes with a 3x zoom wide angle lens. Find out how the A12's sidekick performed in our comprehensive review after the link... (17:25 GMT)

We've been impressed with the take-up of our galleries system, with over 120,000 images uploaded so far, but have been looking for ways to make it even more accessible to photographers. To this end, we have created an uploader plug-in for Adobe's Lightroom 2 raw processing and workflow tool. The plug-in adds to Lightroom's 'export' tab, letting you set your output specifications and configure the permissions for the images once on the site. The plug-in is a beta at present, with more functions to come. (11:10 GMT)

Samsung has released a firmware update for its NX10 mirrorless interchangeable lens camera. The firmware, available from the company's website doesn't acknowledge any additional changes beyond those made in version 1.04. These include getting long-exposure noise reduction to engage for exposures longer than 1 sec (rather than 4sec), and changing the default focus point selection method in P,A,S and M modes. (18:10 GMT)

GigaPan has released a new version of its motorized panorama tripod mount that is designed for DSLRs. Like the company's Epic models, the Epic Pro is capable of shooting vertical and 360° horizontal panoramic images and can take camera-lens combinations weighing up to 4.5kgs. The mount will ship with the the company's image stitching software and will be available from April 2010 at a retail price of $895. (13:20 GMT)

Device maker Wearable Inc. has released the AirStash wireless card reader to share images from SD/SDHC cards to Wi-Fi devices. The battery-powered device acts as a wireless media server, allows secure sharing and previewing of images. Battery life for the $99.99 reader provides up to five hours of continuous data streaming. (11:15 GMT)

Canon has finally released the video-related firmware for its 5D Mark II DSLR. Firmware v2.0.3 adds more video options and is now available for immediate download via Canon's website. (09:35 GMT)

Leica has released a firmware update for its M9 digital rangefinder. Version 1.116 brings in a host of improvements including enchanced magenta color shift correction for listed wide-angle lenses and a new, ISO setting-related, vignetting correction. The firmware is available for immediate download from Leica's website. (18:05 GMT)

Bibble Labs has added support for the Canon EOS 550D and Olympus E-PL1 cameras to Bibble 5 Pro. Version 5.0.3 of the Raw processing software is available for immediate download via the Bibble Labs website. (10:15 GMT)

PocketWizard has tested a prototype of its radio controlled flash triggers for Nikon flashguns. The hot-shoe mounted FlexTT5 transceiver is currently available only for Canon flash systems and allows photographers to wirelessly control flashguns. The company plans to release a beta version to the public once it completes initial testing and fixes bugs of the early prototype. (11:20 GMT)