Extensis has released a free update for Portfolio 7 that adds support for several digital SLRs and compact cameras. The Portfolio Raw Filter 2 update adds support for 14 new cameras including the Nikon D2x, D2H, Olympus E-300, Canon EOS 1Ds Mark II, Digital Rebel XT, Konica Minolta Maxxum 7D and the Pentax *ist DS. Additionally, update version 7.0.6 also provides compatibility updates for Adobe CS2 and Apple Mac OS 10.4 (Tiger). (10:40 GMT)

Just posted! The Cyber-shot DSC-H1 is Sony's attempt to win a share of one of the fastest growing digital camera market sectors, the 5 megapixel 'super zoom'. As well as a huge 12x optical zoom the H1 is a real treasure chest of photographic control, offering a wealth of automatic, semi automatic and manual exposure modes, a big 2.5" screen and VGA/30fps movies in space-efficient MPEG format. But is it enough to see off stiff competition from the likes of Canon and Panasonic? Read the review after the link to find out.... (10:40 GMT)

Canon has today launched a new educational website called 'Enjoy! Digital SLR Cameras'. Split into five sections it contains a large range of tutorials covering everything from the familiarising yourself with the camera to selecting the right exposure, how to frame subjects more creatively and even printing. While the site is clearly aimed at users of Canon digital SLR's much of the material applies equally to all SLR users. UPDATE: We have received news from Canon that the site has been temporarily removed due to the wrong use of sample images. (07:10 GMT)

Olympus has announced the successor to the TIPA-winning C-310, which was only announced at PMA in February. The Olympus C-315 Zoom boasts a higher resolution at 5.1 megapixel but a slightly shorter 2.8x zoom. Looks-wise the C-315 is practically the same; 1.8-inch LCD and basic controls. Like its predecessor it's aimed at the 'ambitious' beginners. It will be available at the end of July. (09:35 GMT)

Amateur photographers in the UK are being invited to capture digital photographs of Britain's rural, urban and human landscapes to help to build a picture of Britain. The competition is being run in conjunction with a BBC4 series 'A Digital Picture of Britiain' presented by professional photographer Tom Ang. As well as the chance to win £500 worth of photographic equipment, winning entries may be featured in a Photographic Masterclass presented by Tom Ang on BBC interactive TV. They may also be exhibited at the National Museum of Photography, Film and Television, Yorkshire in September 2005. You can catch A Digital Picture of Britain on Sunday 3 July at 10pm. (10:50 GMT)

Olympus has announced a new 8mm F 3.5 Zuiko Digital fisheye lens for its E-system digital SLRs offering a 180 degree angle of view. The lens has a special multi-layer coating designed to reduce susceptibility to ghosting and flaring and its ED element will help keep chromatic aberration to a minimum. It also offers 2 cm macro mode. The optional PPO-EO4 underwater lens port will allow you to take ultra-wideangle pictures 40 meters under the water's surface. It will be available in January 2006 at a price yet to be set. (08:30 GMT)

Nikon has updated the firmware for its portable image viewing and storage device the Coolwalker MSV-01. Version 1.3 for Windows and Mac users corrects a problem that occurred with images taken by the Nikon D2X, D2Hs (TIFF files) and the Coolpix 8800 and Coolpix 8400 (JPEG files); the images would not fill the whole screen in full-screen playback. Another problem that prevented the display of JPEGs taken with the D50 at an image size setting of 'S' has also been corrected. There was also a problem for Mac users - the Coolwalker was not correctly recognized by computers running Mac OS X. (10:25 GMT)

Samsung Electronics is to develop a 5MP QSXGA CMOS image sensor (CIS) by the end of the year, according to the EE Times. The company says the image sensor measures light sensitivity 50% better than previous designs and is 30% smaller than other models with a similar resolution. The CIS will perform as well as a CCD, but will use less power and be more competitively priced. Samsung has already developed a 3.2 megapixel chip for use in camera phones, which will be launched early next year. (15:30 GMT)

Nikon has today posted an update for its image management, edit and design software program PictureProject. Version 1.5.2 corrects a problem that prevented proper display of layouts as well as several problems that occurred with CD and DVD burning. It also corrects a problem when NEF+JPEG Basic Images capture with the D50 were opened in PictureProject, which caused differences in brightness between the RAW image and the corresponding JPEG image. (10:05 GMT)

Toshiba is set to consider a 'legal response' after the verdict from a Californian jury, which ordered the company to pay Lexar $465.4 m following theft of trade secrets and punitive damages, Reuters reports. The news was announced by the head of Toshiba, Tadashi Okamura, at the annual shareholders' meeting. Toshiba was found guilty in March of theft of trade secrets relating to NAND flash chips used in CompactFlash cards, Secure Digital and xD-Picture Cards. Okamura told Reuters, "We developed the NAND flash-related technology on our own. The ruling is totally unjust and we would like to consider a legal response." (10:15 GMT)