They do that with a conventional camera by opening up the aperture of the lens and selecting a faster shutter speed.
It features a 1.2MP front camera for video conferencing and an 8MP rear camera with a large F2.2 aperture, 5-element lens allows for high quality images along with HD video recording.
The Transformer Pad Infinity has a 2MP front camera for HD video conferencing along with an 8MP rear camera with a large F2.2 aperture, 5-element lens and LED flash for stunning high quality images or HD video capture.
Thanks to a larger aperture, floating the entire camera assembly to reduce vibrations, and I suspect a huge amount of software development, the Lumia 920 boasts low light handling abilities closer to that of an SLR than a phone camera.
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One stop of light is usually defined as halving or doubling the amount of light entering the camera, depending on the shutter speed, aperture, or ISO changes made.
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Especially when used with large aperture lenses, the EOS 6D camera's full-frame sensor offers a tremendous degree of creative control over depth-of-field, helping users to achieve pro-quality cinematic effects in Full HD video recordings.
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The camera's iHS technology and the large-aperture lens work together to deliver high-sensitivity, low noise and blazing auto-focus performance that translates to the highest image quality of any Olympus compact camera.
The great advantage of a more light-sensitive camera is that you can make radical adjustments to the aperture, allowing filmmakers to indulge in what's become known as "bokeh porn" shallow depth-of-field shots in which sharply defined subjects are placed against artily smeared backgrounds.
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This phone also breaks new ground in optics with 1080p video recording, f2.0 aperture and a dedicated HTC ImageChip on the main 8-megapixel camera and an ultrawide-angle lens on the front camera that lets you fit up to four people in the frame for a premium Skype experience.
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Dedicated lens rings allow for fingertip control of focus and aperture, while a DSLR-style Focus mode dial on the front of the camera enables easy switching between focus modes.
The lens' wide F2 maximum, 9-bladed circular aperture enable beautiful background defocus ('bokeh') effects to rival or exceed professional-class DSLR camera lenses.
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