Video: HTC Touch's TouchFLO interface

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paloooz @ Jun 7th 2007 1:35PM

Guh ... okay people. Let me explain the problem with the video. It's not glare, it's not focus, it's not the LCD's viewing angle. It's too bright. When you see the screen dim due to the device being at idle, you can see that the rest of the image gets brighter. That's because the aperture is being adjusted. It no longer has to be constrained because the concentrated light source that is the LCD has dimmed. Then, when he touches the screen and the LCD brightness goes back up, the rest of the image gets darker because that bright concentrated light source is back. It's a VERY simple photography concept.

In conclusion: The quality is shit because the screen is too bright and the camera sucks and metering. The focus or glare and the LCD viewing angle has nothing to do with it.

Highest Ranked

Shane @ Jun 7th 2007 1:55PM

Paloooz. You are correct that the focus is fine, but not on the rest.

I record videos of phone, PDA, TVs, and laptop screens every week for training classes at work. In all cases I have the screen brightness all the way up, and my videos come out perfect.

The screen angle does matter based on the lighting in the room if you have a reflective screen, which most phones, PDAs and newer laptops do. This is furthur confirmed when I do a video if a older laptop that has the anti-glare screens. For those I can shoot at almost any angle and lighting and it comes out clear. But on devices with reflective screens the angle does matter. If the light is behind me, it reflects off the screen into the lens and I need to adjust the white balance and aperture accordingly. If the light is in front of me, no problem.

This is furthur evidenced by videos that are shot of backlit screens in a room with the lights off. The screens look great because the only light coming into the camera lens is from the screen. But if you set the camera for that setting, then turn the lights on in the room, the screen gets washed out until the camera settings are changed. So the screens brightness means nothing. It is the room's lights and camera settings that matter.

The reason the screen became visible when the backlight went off is because the lens on the camera and the angle were set up for those parameters. If the camera settings and angle of the device had been set up properly to begin with for the lighting you would have seen just the opposite. The device with the screen on would have looked great, but when it dimmed the screen would have been too dark.

You simply have to adjust the angle of the screen based on the ambient lighting in the room, and the lens's aperture and white balance. The screen brightness has nothing to do with it when you set up the camera correctly.

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