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Asus ZenFone 6 Review - Performance

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Asus ZenFone 6 Performance 

The performance section is where we look at the image quality performance of the camera. Additional sample photos and product shots are available in the Equipment Database, where you can add your own review, photos and product ratings.


ASUS Zenfone 6 Sample Photos

Sample Photos -  Overall, images are pretty good with decent dynamic range, excellent colour reproduction and good levels of sharpness. There was the odd occasion where the ZenPhone 6 underexposed a shot and when light levels drops, you do notice that Optical Image Stabilisation isn't built in as shake can creep in. 

The ultrawide angle lens is excellent for when you want to capture more in shot but it's a shame optical zoom isn't built in as using digital does reduce quality quite a bit. The ultra wide-angle lens, also, produces images that are slightly softer than the main camera and noise can creep in a little. 

As for the various modes, they perform well with no obvious clipping in portrait mode when adding bokeh but do be careful with the various beauty modes on offer as if you crank them all up to 10, you can look like an alien with very plastic skin. However, behave with the filters and you can use them to create really pleasing looking portraits/selfies. 

Night mode is useful but doesn't seem to perform quite as well as the likes of Google on the Pixel has to offer. That's not to say it's not good, though, as it does help reduce shake and adds detail but artefacts can creep in. 

There's an HDR mode and it's well worth switching it on as images have better dynamic range when it's used - bringing out detail in shadows and not blowing out highlights. Of course, you can turn this mode off if you're going for a certain look you can't capture with HDR mode enabled. Sometimes, noise can creep in but we didn't experience this every time we used it. 

No HDR | 1/222 sec | f/1.8 | 4.7 mm | ISO 25
HDR + | 1/222 sec | f/1.8 | 4.7 mm | ISO 25
HDR ++ | 1/229 sec | f/1.8 | 4.7 mm | ISO 25
HDR ++ 


When using the main camera, you can shoot 48MP images instead of 12MP but the 48MP mode doesn't support HDR+ or effects. The difference between each file type is minimal, too, In fact, there's less noise in the 12MP images and dynamic range is handled better so really, you're better off sticking with the 12MP image option (as you are with many of the smartphones that have a 48MP option built in). 


12MP | 1/50 sec | f/1.8 | 4.7 mm | ISO 144
48MP | 1/50 sec | f/1.8 | 4.7 mm | ISO 52


ASUS Zenfone 6 Lens test images

Lens Performance -  You have access to the main camera or an ultra-wide-angle lens and the main camera had no issues with CA or distortion. The ultra-wide-angle lens does show some purple fringing and the dynamic range isn't quite as good as the main camera. 

There's no optical zoom but you can access up to 4x digital zoom. However, it's not great and images soon start to appear paint-like with detail really falling off at 3x zoom. 


ASUS Zenfone 6 ISO test images

ISO Noise Performance - The ISO range goes from ISO25-3200 but anything after ISO800 start to show noise and a loss in detail so stick to the lower ISOs whenever possible. 


ASUS Zenfone 6 White-balance test images

White Balance Performance - AWB under mixed lighting does a good job, if a little warm, as is AWB under tungsten. The tungsten preset produces an image with blue tones while the result under fluorescent lighting with the preset is excellent. Again, AWB is a little warm. 


ASUS Zenfone 6 Digital filters


Digital Filters - Digital Filters can be applied after capture and they include a wide variety of options from black & white and vintage to more 'out there' choices. 



Manual Panorama


Auto Panorama
Auto Panorama


As well as capturing panoramas the traditional way, you can hit the shutter button and the Zenfone 6 will automatically capture a panorama. Just remember to hit the tick button to stop it before the camera begins to turn as you'll get your hand and face in shot, like above, if you don't. Still, it's a clever thing and can stop you looking like a bit of a weirdo panning around in public as the smartphone does it for you. However, there are some joining issues with a wave-like pattern occurring. Capturing a manual panorama does work better but there are still some issues with blurring and patterns occurring. 



Video - You can capture 4K videos at 60fps with EIS and there's also a slo-mo mode along with a Motion tracking option which actually changes the angle you're shooting at to keep a subject in the frame rather than just locking focus and ensuring exposure is correct. You'll have better luck with it when light levels are optimum but never-the-less it's nifty. As mentioned, you can also capture selfie videos in 4K which bloggers will like. 

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