The produced images are large enough to be shared online or developed into small prints, but often too small to be cropped and zoomed in on effectively. The result is a maximum image resolution of only 4 megapixels. But since each pixel occupies extra space, not a lot of them have been fitted onto the sensor.

The pixels, being 2.0 µm in size, should theoretically improve low-light performance by capturing “more than 300% more light than most leading 13 megapixel cameras”. The UltraPixel camera on the HTC One max relies on a 1/3' back-side illuminated sensor with native 16:9 aspect ratio, f/2.0 aperture, and 28mm lens. That's why we were a bit disappointed when we learned that the HTC One max had an UltraPixel camera as well – a camera that's pretty much identical to the one found on the HTC One, save for its lack of optical image stabilization. But then we tested the HTC One ourselves and its camera failed to impress us.

When HTC announced the One, it introduced us to its much-touted UltraPixel camera technology, which was supposed to blow the cameras of the competition straight out of the water.

Download htc one ultrapixel