DxOMark Mobile Report: Motorola Droid Turbo 2
The Droid Turbo 2 is Motorola's latest high-end model for US carrier Verizon. With Sony's 1/2.4-inch 21MP IMX230 sensor and an F2.0 aperture the camera specification is pretty much identical to the Moto X Style but the new model comes with a more powerful Qualcomm Snapdragon 810 chipset, a shatter-proof display and a massive 3760 mAh battery that, according to Motorola, is good for 48 hours of battery life. At 5.4 inches the display is a touch smaller than the X Style's 5.7-inch screen but offers the same Quad-HD resolution. A microSD slot is on board for memory expansion and like other high-end Motorola devices the Droid Turbo 2 can be ordered with wooden or leather backs and is customizable via the MotoMaker website.
With a DxOMark Mobile score of 84 the Droid Turbo 2 achieves the same score as the Google Nexus 6P and places itself on the number four spot in the DxOMark smartphone rankings, only topped by the Sony Xperia Z5 , the Samsung Galaxy S6 Edge and the Nexus 6P. The DxOMark team reports that the Droid images show "very good detail preservation in outdoor conditions" and "good white balance and generally pleasant colors". "Pictures are well exposed" and "noise is barely visible in outdoor conditions".
On the downside, "fine details are lost in low light conditions, ghosting and other artifacts are sometimes visible" and when shooting with flash "strong luminance shading and chroma noise is visible in the corners".
In video mode the DxO team liked the "good stabilization, fast white balance and exposure adaptation and pleasant color rendering". The team also found that "detail is well preserved". However, "in low light, strong luminance noise and chroma noise is visible, particularly in the corners, autofocus instabilities are visible and the camera has difficulties tracking objects". The DxoMark team also found that "in low light autofocus is sometimes slow to trigger after a scene change".
Color, Exposure and Contrast
The DxOMark team found that when shooting with the Motorola Droid Turbo 2 "pictures are well exposed" and show "good white balance and generally pleasant colors". On the downside, "some highlights are occasionally blown in bright outdoor scenes" and "some white balance and exposure irregularities" can be observed in low light.
Overall DxOMark awarded the Motorola Droid Turbo 2 scores of:
- 4.5 out of 5 for Exposure
- 4.6 out of 5 for White Balance accuracy
- 3.8 out of 5 for Color shading in low light*
- 4.2 out of 5 for Color shading in bright light*
- 3.0 out of 5 for Color Rendering in low light
- 4.5 out of 5 for Color Rendering in bright light
*Color Shading is the nasty habit cellphone cameras have of rendering different areas of the frame with different color shifts, resulting in pictures with, for example, pinkish centers and greenish corners.
Noise and Details
DxOMark's engineers reported that the Motorola Droid Turbo 2 images show "very good detail preservation in outdoor conditions" and that "noise is barely visible in outdoor conditions". However, "some luminance noise is visible in low light conditions".
Texture acutance is a way of measuring the ability of a camera to capture images that preserve fine details, particularly the kind of low contrast detail (such as fine foliage, hair or fur) that can be blurred away by noise reduction or obliterated by excessive sharpening.
Sharpness is an important part of the quality of an image, but while it's easy to look at an image and decide visually whether it's sharp or not, the objective measurement of sharpness is less straightforward.
An image can be defined as "sharp" if edges are sharp and if fine details are visible. In-camera processing means that it's possible to have one of these (sharp edges) but not the other (fine details). Conventional MTF measurements tell us how sharp an edge is, but have drawbacks when it comes to measuring fine detail preservation. Image processing algorithms can detect edges and enhance their sharpness, but they can also find homogeneous areas and smooth them out to reduce noise.
Texture acutance, on the other hand, can qualify sharpness in terms of preservation of fine details, without being fooled by edge enhancement algorithms.
At first sight, the images from these two cameras may appear equally sharp. A sharpness measurement on edges will indeed confirm this impression, and will even show that the second camera is sharper. But a closer examination of low contrasted textures shows that the first camera has better preservation of fine details than the second. The purpose of the texture acutance measurement is to qualify this difference.
Visual noise is a value designed to assess the noise in an image as perceived by the human visual system, depending on the viewing condition (size of image, size of screen or print, viewing distance). The measurements have no units and can be simply viewed as the weighted average of noise standard deviation for each channel in the CIE L*a*b* color space. The lower the measurement, the less noise in the image.
Noise and Detail Perceptual scoring
- Texture (bright light): 5.0 out of 5
- Texture (low light): 3.6 out of 5
- Noise (bright light): 4.3 out of 5
- Noise (low light) 3.3 out of 5
Phone cameras, like entry-level compact cameras, tend to suffer from artifacts such as sharpening halos, color fringing, vignetting (shading) and distortion, which can have an impact on the visual appeal of the end result. DxOMark engineers measure and analyze a range of artifacts. Their findings after testing the Motorola Droid Turbo 2 are shown below:
- Ghosting sometimes visible in HDR mode
- Some blue sky saturation in bright outdoor scenes
- Noticeable color fringing in high-contrast scenes
- Slight ringing
- Sharpness 4.3 out of 5
- Color fringing 3.4 out of 5
- Ringing center 7.5%
- Ringing corner 2.4%
- Max geometric distortion -0.2%
- Luminance shading 16.7%
Distortion and Chromatic Aberrations
DxOMark also tests autofocus accuracy and reliability by measuring how much the acutance - or sharpness - varies with each shot over a series of 30 exposures (defocusing then using the autofocus for each one). As with other tests these results are dependent on the viewing conditions (a little bit out of focus matters a lot less with a small web image than a full 8MP shot viewed at 100%). Using the 8MP equivalent setting, the Motorola Droid Turbo 2 performs very well at all light levels. The overall score is 93/100 in bright light and 91/100 in low light.
- Accurate and stable trigger mode in all lighting conditions
- Accurate and stable auto mode in low light conditions
- Fast autofocus in bright light conditions
- Slight irregularities in low light trigger mode
- Slight overshoot in low light preview
The Motorola Droid Turbo 2 comes with a dual-LED flash and DxOMark scored the camera 80/100 overall for its flash performance.
- Good exposure with and without additional light sources
- Good detail preservation
- Generally accurate white balance and good color rendering
- Strong chroma noise visible in the corners
- Strong luminance shading without additional light source
- Slight color shading
Overall DxOMark Mobile Score for Photo: 84 / 100
DxOMark engineers put phone cameras through a similarly grueling set of video tests, and you can read their full findings on the DxOMark website here. Overall, DxOMark found the Motorola Droid Turbo 2's video footage to be well stabilized, with good good detail and colors. White balance and exposure adapt quickly to changing scenes but the AF shows some instabilities and noise becomes visible in low light.
- Detail is well preserved
- Good stabilization
- Fast white balance and exposure adaptation
- Pleasant color rendering
- In low light, strong luminance noise and chroma noise is visible, particularly in the corners
- Autofocus instabilities, difficulties when tracking objects
- In low light, the autofocus is sometimes slow to trigger after a scene change
Overall DxOMark Mobile Score for Video: 84 / 100
DXOMark Image Quality Assessment
With a DxOMark Mobile score of 84 the Motorola Droid Turbo 2 achieves the forth highest score in the DxOMark smartphone rankings, being beaten only by the Sony Xperia Z5, Samsung Galaxy S6 and google Nexus 6P.
The DxOMark team liked the Droid's good exposure and pleasant color. In bright light they measured low noise levels and very good image detail. However, they also noted a loss of detail in low light conditions and chroma noise when shooting with flash. The latter is also noticeable in low light video but general video quality is good, with very efficient digital image stabilization. For a more detailed analysis, visit www.dxomark.com.
|walkersons fields by George Veltchev|
from -Waiting for Autumn- (in Full Colours Only)
|A smile is worth a thousand words by alberto_b|
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.