BERLIN (AP) — Sony Mobile has unveiled a new addition to its Xperia smartphone line-up that sports a massive 20.7-megapixel resolution camera capable of taking add-on lenses.

The Xperia Z1 is Sony's attempt to leapfrog rivals such as Nokia and Samsung in the race for the phone with the best camera.

The company presented the phone in Berlin on Wednesday, two days ahead of the opening of the annual IFA consumer electronics show in the city.

The Z1's standout features are the in-built camera and detachable lenses that can be controlled from the phone's 5-inch screen.

It's the handsets' camera features are supported by dedicated apps and a large image sensor.

The Android-powered phone, previously codenamed Honami, also comes with a 2.2 gigahertz processor, waterproof aluminum case and the latest mobile broadband connectivity.