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The Everyday Sling might just be the perfect pack for not carrying too much gear, combining comfort with Peak Design's signature modern style.
Our Dynamic Range measurement system involves shooting a calibrated Stouffer Step Wedge (13 stops total range) which is backlit using a daylight balanced lamp (98 CRI). A single shot of this produces a gray scale wedge from the camera's clipped white point down to black (example below). Each step of the scale is equivalent to 1/3 EV (a third of a stop), we select one step as 'middle gray' (defined as 50% luminance) and measure outwards to define the dynamic range. Hence there are 'two sides' to our results, the amount of shadow range (below middle gray) and the amount of highlight range (above middle gray).
To most people highlight range is the first thing they think about when talking about dynamic range, that is the amount of highlight detail above middle gray the camera can capture before it clips to white. Shadow range is more complicated; in our test the line on the graph stops as soon as the luminance value drops below our defined 'black point' (about 2% luminance) or the signal-to-noise ratio drops below a predefined value (where shadow detail would be swamped by noise), whichever comes first.
Note: this page features our new interactive dynamic range comparison widget. The wedges below the graph are created by our measurement system from the values read from the step wedge, the red lines indicate approximate shadow and highlight range (the dotted line indicating middle gray).
At default settings (Highlight Correction Off, 'Bright' Custom Image Mode) the K-30's tone curve is rather steep and more or less identical to previous Pentax models such as the K-01 or K-5. It measures a total dynamic range of approximately 8.5 EV, just 2.9 EV of which are in the highlights with a rather abrupt clip to white. This is slightly less than what we see from the K-30's direct competitors in the mid-level DSLR bracket of the market. However, additional dynamic range can be obtained by activating one or both of the K-30's dynamic range tools - Highlight Correction and Shadow Correction (see below).
Like on the K-30 and K-5 the Bright, Natural, Portrait, Landscape, Vibrant, and BW settings use essentially the same curve and therefore produce the same amount of dynamic range. The Muted setting uses a more linear, less contrasty curve. Bleach Bypass and Reversal Film on the other hand create images with more contrast. However, all the settings clip highlights at the same point. Cross Processing (which was previously available as a filter) has now moved into the Custom Image menu and has a very contrasty tone curve.
You can expand the dynamic range in your images by activating one or both of the K-30's dynamic range tools - Highlight Correction and Shadow Correction. These features exemplify the two different methods widely used by cameras to improve the dynamic range conveyed in the final image.
Technically, Highlight Correction is like underexposing by a stop to avoid blowing highlight detail, and then pulling up the midtones and shadows in post-processing to compensate, giving an image of the correct overall brightness. This results in an increase in the camera's lowest-available ISO to 200 when Highlight Correction is turned on.
Shadow Correction is a much simpler concept in that it simply boosts the brightness of shadow regions to create a more balanced image. The level of shadow correction is user definable in four steps (Off to 3). There's also an Auto setting in which the camera applies one of these four settings, depending on the contrast in the scene. None of these options increase the Dynamic Range, per se, but can pull detail out of deep shadows so that it's visible in the final image.
Shadow and Highlight Correction apply to both JPEG and Raw images. A Raw converter that fully supports the K-30 should recognise the need to use a different tone curve to process the result. At worst, with Highlight Correction switched on a non-mainstream converter you might have a shot that initially looks underexposed and needs 1EV of extra exposure applied.
You can also combine Highlight Correction with any level of Shadow correction which gives you quite a few possible combinations to play with. In the widget above we have included the tone curve for Highlight Correction On and Shadow Correction High. As you can see the image has both - more detail in the highlight areas and slightly lifted shadows although the effect at both ends of the spectrum is not as pronounced
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Pentax has released firmware updates for its K-5, K-5 II, K-5 IIs, K-30 and K-r digital SLRs. With these latest firmware versions, all cameras gain improved overall stability and enhanced contrast AF performance when using the 560mm f/5.6ED AW lens. The updates are available for immediate download from the company's website - click through for download links.
Just Posted: Resolution and dynamic range test samples and analysis of the Pentax K-30. Our full review of Pentax's K-30 mid-level DSLR is well underway and we will be posting content as it becomes available. This time we are adding our standard resolution and dynamic range test pages with analysis. As usual this means the dynamic range samples are accessible from other reviews and can be used for comparison our dynamic range widget.
We've prepared a quick samples gallery using the Pentax K-30 - Pentax' latest mid-level DSLR with a 16.3MP CMOS sensor. We're working on a review but recently technical writer Lars Rehm had the chance to take the camera and the 18-135mm F3.5-5.6 lens on a road trip down the coast on Highway 101 and to Crater Lake in Oregon, taking a lot of pictures along the way. The review is in the pipeline, but in the meantime we hope you enjoy these pictures, which should give you a taste of what the camera can do.
We've added a hands-on video describing the features of the Pentax K-30 and explaining how it fits in alongside the K-01 and K-5. As it's a pre-production camera, we've not been able to demostrate the autofocus speed but we have included an example of the shutter sound when continuous shooting. Click here to see our Pentax K-30 preview video.
Pentax has officially announced the K-30 weather-sealed mid-level DSLR. It's built around the same updated 16MP sensor and processor as the K-01, so should offer impressive image quality and borrows many of the features from the more expensive K-5. It can shoot continuously at up to 6 frames per second, has a maximum shutter speed of 1/6000th of a second and can capture video at 1080p30. We've had a pre-production K-30 in the office for a couple of days and have prepared a preview looking at what it offers.
When the Fujifilm X-T2 arrived, it was more than just a modest upgrade to the already impressive X-T1. While the new X-T3 hasn't changed the overall design of the camera, this model is way more than an upgrade; rather, it's a quantum leap.
The Movie Maker is a compact, motorized slider designed for phones, action cams and small mirrorless cameras. We think it's a fun little kit and a good value proposition for the cost, provided you can work around a few of its weak points.
Nikon's Z7 is the first camera to use the all-new Z-mount, the company's first new full-frame mount since 1959. We've put together our first impressions based on quality shooting time with a pre-production camera - check out what we've found.
What's the best camera for a parent? The best cameras for shooting kids and family must have fast autofocus, good low-light image quality and great video. In this buying guide we've rounded-up several great cameras for parents, and recommended the best.
What's the best camera for shooting landscapes? High resolution, weather-sealed bodies and wide dynamic range are all important. In this buying guide we've rounded-up several great cameras for shooting landscapes, and recommended the best.
What’s the best camera costing over $2000? The best high-end camera costing more than $2000 should have plenty of resolution, exceptional build quality, good 4K video capture and top-notch autofocus for advanced and professional users. In this buying guide we’ve rounded up all the current interchangeable lens cameras costing over $2000 and recommended the best.
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from Fill the frame
The RF 24-105mm F4L IS USM is one of four lenses to launch with Canon's new full-frame mirrorless system, and it boasts the longest reach of the range. Take a look at some of the samples we've gathered thus far as our EOS R testing continues.
Nikon's Sendai factory in the Tōhoku region North of Japan has been churning out cameras and lenses since 1971. We had the opportunity recently to visit Sendai during events to mark the launch of Nikon's new Z mount.
There's no mistaking the Nikon Coolpix P1000 – with a 24-3000mm equivalent zoom, it really is in a class of its own. It's a conspicuous-looking superzoom with one main job: getting you really close to far away subjects. We've put together a gallery showing the kind of results you can expect from it.
A new report from The Verge claims Instagram is currently testing a feature that allows users to re-share posts to their own account feeds.
GoPro has announced its HERO7 camera lineup. The updated action cameras feature new HyperSmooth and TimeWarp modes, as well as improved video and photo specs.
The latest Samsung midrange smartphone offers a super-wide-angle lens in its triple-camera setup.
The Sony 24mm F1.4 is the latest lens to join the company's premium G Master lineup. We've been shooting with one for a couple of days - here's what you need to know.
Apple released iOS 12 a few days ago and some iPhone X users are less than happy with how the new operating system has made their phones look.
Camera bag manufacturer Lowepro has introduced mark II backpacks for its ProTactic AW range with models that are said to feature an improved handling experience as well as a collection of accessories that can be attached to the outside.
Canon has announced its latest superzoom camera, the PowerShot SX70 HS. Compared to the SX60 that came before it, the SX70 has the same lens but offers a higher resolution EVF, 4K video capture and support for Canon's new CR3 Raw format.
Cosina has announced its eighth lens designed specifically for Sony's E-mount system. The Voigtlander 21mm F3.5 lens is due out October 2018.
Sony has taken the wraps off of its new 24mm F1.4 GM full-frame lens, which the company claims is the lightest in its class. Despite its fast aperture, the 24mm F1.4 is remarkably light, weighing just 445 grams (15.7 ounces). The lens will set you back $1400 when it ships next month.
In this episode of DPReview TV we take a look at Sony's brand new 24mm F1.4 GM lens, a desirable focal length for many photographers. How does it perform? Chris and Jordan give us their first impressions.
We've had a little time to shoot with Sony's new wide/fast prime, both close to home and on the water in San Francisco. Check out our initial sample images.
Fujifilm released a firmware upgrade for its X-T3 mirrorless camera that addresses issues with distortion compensation and the mechanical lock on SD cards.
The app's algorithms have been trained using using 200 million cropping data points from real photographers.
Thanks to a software update, the Loupedeck+ editing console can now be used for video editing.
British photographic engineer MTF Services is claiming the world’s first third-party lens adapters for the new Nikon Z system with a collection of four units designed to allow cinema lenses to be mounted on the mirrorless full frame bodies.
Think Tank Photo has updated its line of heavy-duty rain covers and introduced a new, compact version for emergency situations.
The X-T3 is our first opportunity to analyze what's likely to be Fujifilm's next generation image sensor. Take a look at how it performs next to the competition in our studio test scene.
Canon's new normal is seriously sharp wide open. After shooting with it for a few days, we've prepared a gallery of real-world sample images.
Nikon will cease offering Brazil-based customer service and technical support, though the company stresses that it will still offer technical assistance and warranty repairs for valid warranties.
Two years ago, CatLABS of JP announced a plan to save Packfilm from the dead. Now, it's announced it's giving up its efforts to better focus its resources elsewhere.
The GoPro Fusion is designed to make it easy to capture 360-degree video and stills. We took it out recently on a typically hot Seattle summer day to see what it can do.
We've got our hands on a full-production Nikon Z7 camera and have updated our gallery with additional samples.
A new Kickstarter campaign seeks funding for Chroma Chrono, a programmable RGB camera flash that emits multiple colors during long exposures.
Think Tank Photo has launched a new lineup of six dual-access, water-resistant protective lens cases it calls Lens Case Duo.
Canon and Nikon finally entered the full-frame mirrorless market this summer with the brand-new RF and Z mounts. Now that we've had some time with the cameras, we wanted to revisit our earlier predictions and take stock.
The devices' camera specs look pretty much identical to last year's iPhone X but under the hood a number of important improvements have been made.
Blackmagic Design has announced the public beta of its new Blackmagic RAW video codec. The company says the new format combines the benefits of shooting Raw video with the ease of use and smaller file sizes usually associated with non-Raw video files.