Contrast (true blacks)

[XDA_RealLifeReview]

How well do you know your fifty shades of grey? Rate this thread to express how good the ZTE Axon 7's display contrast is. A higher rating indicates that black is true black, rather than a very dark gray.

Then, drop a comment if you have anything to add!

 

[canezila]

I am coming from an amoled screen, yet I am amazed at how black the black is on the a7. Using tbo Blacked Out apps are a no brainer.

Sent from my ZTE A2017U using XDA-Developers mobile app

 

[Bolandk]

It's an Amoled screen, meaning the pixels are off when displaying black. The blacks are...black.

 

[borijess]

What are the best color accuracy settings for the display?

 

[jlomein]

I'll go against the grain and say I'm mildy disappointed in the Axon 7's blacks. Vividness and high contrast are appealing to the eye, but so much detail is lost.

http://www.lagom.nl/lcd-test/black.php

Above is a series of tests I use on all my displays. My TV and PC monitor are calibrated to have every black box visible on the above test. My Nexus 5 phone has all but the last box visible. My Axon 7 on the other hand loses six boxes which blend into the background.

I honestly don't think this is a limitation of AMOLED hardware but likely the software configuration. I would be happy if ZTE released an sRGB calibration tool like OnePlus did for their OnePlus 3.

You can watch night scenes from The Dark Knight, B v S, Zero Dark Thirty, etc and really notice how much dark detail you're losing on the Axon 7.

I specifically remember a B v S scene where Batman is in his jet fighting Doomsday. A shot of Batman in his cockpit looks near completely black on the Axon: you lose all the detail of his cowl/mask, and the inside of the cockpit.

 

[bkores]

I'll go against the grain and say I'm mildy disappointed in the Axon 7's blacks. Vividness and high contrast are appealing to the eye, but so much detail is lost.

http://www.lagom.nl/lcd-test/black.php

Above is a series of tests I use on all my displays. My TV and PC monitor are calibrated to have every black box visible on the above test. My Nexus 5 phone has all but the last box visible. My Axon 7 on the other hand loses six boxes which blend into the background.

I honestly don't think this is a limitation of AMOLED hardware but likely the software configuration. I would be happy if ZTE released an sRGB calibration tool like OnePlus did for their OnePlus 3.

You can watch night scenes from The Dark Knight, B v S, Zero Dark Thirty, etc and really notice how much dark detail you're losing on the Axon 7.

I specifically remember a B v S scene where Batman is in his jet fighting Doomsday. A shot of Batman in his cockpit looks near completely black on the Axon: you lose all the detail of his cowl/mask, and the inside of the cockpit.

Seriously? You used an LCD test for an AMOLED panel? No wonder your results don't make sense at all

 

[jlomein]

Seriously? You used an LCD test for an AMOLED panel? No wonder your results don't make sense at all

Your judgement is misguided. The blacks test on the link I provided was not designed for any specific display technology. It says LCD test because it was posted online before AMOLED existed. It shows how the TV salesman trend of pumping up contrast, vividness, and saturation creates deficiencies in picture accuracy.

https://community.zteusa.com/thread/12745

On ZTE community there are several members who observed the same. It's especially noticeable to professionals in film, TV, and photography who are used to having colour/tone accurate displays.

 

[Filiprino]

If you put brightness to the max, you will see all the squares. With default brightness, near to the minimum, I lose 4-5 boxes (the first row).
That test is brightness dependent.
Ah, and I did it without the ambient being dark.

 

[jlomein]

If you put brightness to the max, you will see all the squares. With default brightness, near to the minimum, I lose 4-5 boxes (the first row).
That test is brightness dependent.
Ah, and I did it without the ambient being dark.

For my Axon 7 I don't get the same results: on 100% brightness I still don't see the six boxes in a dark environment. Changing the brightness on this phone has no effect on contrast or gamma.