Caldwell Photographic and Metabones have announced the Speed Booster Ultra for Micro Four Thirds: an updated design that uses more sophisticated glass and has been optimized for use with the relatively thick Micro Four Thirds filter stack. The latest Canon version also gains AF-S autofocus when used with Panasonic cameras: an improvement available via firmware update for existing users. Read more

Photographer Brian Rueb was approached by two friends to shoot their wedding - a familiar proposal for many photographers. However, there was a slightly unusual twist in this case, as the couple planned to tie the knot on top of Half Dome in Yosemite National Park. Read more

The Panasonic Center in Osaka has installed a photo booth that uses 120 Lumix DMC-GH4 cameras to create a three-dimensional impression of the occupants, which can then be turned into a plaster figurine. Panasonic claims that what makes its booth stand out is that the 'scan' is created in just 1/1000sec. That means the subjects can be in motion and the image will still be sharp. Read more

The Associated Press and British Movietone have announced the addition of more than 1 million minutes of digitized historic footage to YouTube. The AP says that this project represents the largest ever upload of historic news content to YouTube, and will serve as a 'visual encyclopedia' for witnessing some of the biggest moments in recent world history. Read more

We've already published an initial real-world gallery from the PowerShot G3 X, Canon's newest enthusiast compact, and now we've put its capabilities to the test against our studio scene. The G3 X is weather-sealed and uses a 1"-type 20MP sensor with a 24-600mm equiv. lens, making it an appealing choice for outdoorsy types. Take a look at how it performs compared to its peers. Read more

Update: We've added a number of Raw conversions to our gallery. The PowerShot G3 X is Canon's newest premium compact camera, offering a versatile 24-600mm equivalent zoom lens and a 1"-type 20MP sensor. DPReview Editor Barney took the G3 X out on a weekend fishing trip deep in the Olympic mountains. Take a look at our real-world gallery. Read more

LensRentals has embarked on a quest to investigate the complicated topic of sample variation among copies of the same lens. It's the kind of fascinating, geeky stuff we've come to know and love from LensRentals, and in the latest round of tests they've taken a look at a group of short telephoto primes ranging from 85mm to 150mm. Read more

Following several weeks of controversy involving pop singer Taylor Swift and a growing number of music photographers and news publications, Swift's management has revised the terms of its photo contract. Read more

There's been a great deal of interest in the Sigma 24-35mm F2 Art lens since its launch last month. And who can blame the internet for getting excited over the world's fastest full-frame zoom? With all of the appeal and high-end touches offered by Sigma's 'Art' series, the 24-35mm just begs to be taken out for a spin - and DPReview's Deputy Editor Rishi Sanyal did just that. See the gallery

Nikon's D810A is an astrophotography-oriented version of the D810. It's the first full-frame camera dedicated to astrophotography, and is better able to capture the hydrogen alpha spectral line. It also expands long exposure options, and has garnered speculation as to improvements in low light capabilities. Take a look at its high ISO and color performance in our studio scene. Read more

Over the last week or so, images from the New Horizons mission have been arriving back at Earth as the probe begins the 16-month task of returning data from its July 14th Pluto flyby. Take a look at the imaging systems responsible for the impressive photos of the dwarf planet. Read more

Samsung has launched a new generation of high-end Android tablets, a clear competitor to Apple's iPad Air 2. The Galaxy Tab S2 comes 8 and 9.7 inch display sizes, and at 5.6mm is a touch thinner than the Apple competitor. Read more

Canon's EOS 5DS may not have its more expensive sibling's self-canceling optical low-pass filter, but it's identical in all other ways starting with a 50.2MP full-frame sensor. We put its high resolution sensor and 61-point AF module to the test for some real-world shooting - take a look. See gallery

Capture One Pro is a software package designed to perform as a Raw processing application as well as a host for those who like to shoot tethered. Created by Phase One, which also makes medium format backs, cameras and lenses, the application emerged first in the professional studio environment. Having expanded into the consumer market, it can handle Raw files from over 300 cameras. We tested out some of its newer capabilities. Read more

The LG G4 follows on last year's G3, and like its predecessor puts a lot of emphasis on camera specification. The 16MP 1/2.6-inch CMOS sensor is a touch larger than the 1/3-inch sensors in many other phones, and the F1.8 aperture is the fastest among the current crop of high-end mobile devices. We put its mobile imaging capabilities to the test. Read more

We got a chance to get our hands on Panasonic's Lumix DMC-GX8 recently, and have prepared a slideshow running through its features. It's the first Micro Four Thirds camera to gain a 20MP sensor and it wraps a whole host of cleverness, including a Dual IS system, into its substantial magnesium alloy body. Read more

With its 25-600mm equivalent F2.8 lens and solid image quality, the Panasonic Lumix DMC-FZ200 was one of our favorite cameras in 2012. With its FZ300, Panasonic has kept the lens and sensor but has improved just about everything else, from its image processor to video specs. We recently had some hands-on time with the FZ300 and have plenty of highlights to share. Read more

Panasonic has unveiled the Lumix DMC-GX8 and with it some new advancements for the Micro Four Thirds format. For the first time, a MFT body offers a 20.3MP sensor. AF sees some notable improvements thanks to Depth from Defocus technology, a new Dual I.S. system uses stabilization from the lens and camera body simultaneously, and 4K video is included. Read more

Panasonic has announced the Lumix FZ300, a 24x superzoom equipped with 4K video that's designed to withstand a little bit of bad weather. It's the successor to the FZ200, and keeps the 25-600mm equivalent F2.8 zoom range. Read more

Alongside two camera announcements, Panasonic has gone public with plans for a new post-focus feature for selected cameras and two new lenses. Enabled by 4K video capture and its DFD (Depth From Defocus) technology, Post Focus will allow users to select a focus point after capture. New lenses on the way include a Leica DG 100-400mm F4-6.3 zoom and Lumix G 25mm F1.7 prime. Read more

Red has launched firmware version 6.0.23 for its cameras, a significant update over previous version 5.3.42 that brings some useful features for still photography. Included is a Motion + Stills mode that makes it possible to mark frames for still extraction while recording video. Read more

ZTE has launched its new high-end device, the Axon Pro, which appears to be specifically designed with the US market in mind. In the camera department the new model comes with a dual-camera setup, similar to the one we've seen in the HTC One (M8). However, at 13MP the ZTE's main camera comes with a considerably higher pixel count than the 4MP HTC. Read more

Our Sony Cyber-shot RX100 IV first impressions continues to grow as we've added a variety of video samples to the preview. The RX100 IV is Sony's latest enthusiast compact, and its 20MP 1"-type stacked CMOS sensor is capable of 4K video and slow-motion clips ranging from 120-960 fps, all with virtually no rolling shutter. We put a number of these modes to the test. Read more

The Pixelmator app for iPad and iPhone has received another update, ensuring it remains one of the most powerful mobile image editing tools in the App Store. Introduced in version 2.0.2 is Dynamic Touch, which automatically adjusts the brush to the surface area of your finger that's touching the screen. Read more

Filter manufacturer Cokin has introduced a new range of neutral density filters that it claims are free of color casts and which block infrared light. The Nuances range comes in sizes to fit the company's Creative Filter System holders, from M (P) to XL (X-Pro), and in six different strengths. Read more

In an ongoing trend of protests against strict photo contracts for music photographers, Quebec newspaper le Soleil sent a cartoonist to illustrate a Foo Fighters concert. The publication called the contract one of the harshest it had seen, citing passages that require photographers to surrender copyrights to their images, giving the band the ability to use images in any media without permission or payment. Read more

A part of the ongoing expansion of manual focus lenses for the Micro Four Thirds system, the Voigtländer 10.5mm F0.95 super wide angle is also that company's fourth F0.95 Nokton in its MFT series. DPReview Senior Contributor Damien Demolder took the lens out for a spin. Take a look at some samples and find out his impressions. Read more

Microsoft has retired its Photosynth apps for Windows Phone and iOS. The apps allow mobile users to create spherical panoramas. Microsoft is directing users instead to its new web-based Photosynth technical preview, which it calls a more immersive and robust platform. Read more

The fourth iteration of Sony's Cyber-shot RX100 series brings a host of high-speed features from super slow-mo movies to 4K video with virtually no rolling shutter. It all stems from the RX100 IV's 20MP stacked CMOS sensor and the additional room for high speed circuitry that the design allows. Our full review is well under way; for now take a look at the first installment. Read more

Not long ago, you made your stand as a 'serious' amateur photographer by using a medium format camera. Compacts and SLRs existed of course, but the graduation from 35mm film to 120 or 220 formats meant that you had really made it. These days, digital medium format cameras occupy a niche in the market, but the allure is still there. Damien Demolder spends a little time with Phase One's 645DF+ and IZ250 back - see how they get along. Read more

Lytro has introduced major updates for its ILLUM light field camera and desktop software. ILLUM 2.0 provides a re-designed user interface and makes it possible to view and interact with full living pictures in camera. It also speeds up auto focus by using phase detection rather than relying on contrast detection. Read more

Ricoh is addressing an anomaly found on a small group of its Pentax K-3 II digital SLRs in which the camera will not turn off, even when the power lever is in the 'off' position. Ricoh will service any K-3 II within a specific range of serial numbers at no charge, regardless of whether the camera is having the issue. Read more

'Bullet time' effects, as seen in the 1999 movie 'The Matrix,' tend to be expensive and time-consuming to produce, requiring an array of synchronized cameras. Researchers at Columbia University are developing an iOS app that would make it easier for consumers to capture bullet time sequences. Read more

In February, Serif launched a beta version of its image editing application Affinity Photo. The software is a Photoshop alternative designed specifically for Mac OS X, and the beta has been updated several times since the February launch. Serif has just taken the software out of beta and officially launched it in the Mac App Store. Read more