L*****s
发帖数: 6046 | 1 http://www.expertreviews.co.uk/smartphones/1290631/nokia-purevi
The lens appears to be nothing special, it’s a little larger than you’d
expect on a smartphone but it certainly doesn’t seem big enough for the
monster sensor behind it. It has an F2.4 maximum aperture, but as Nokia
points out in its Whitepaper on PureView there’s no need to stop this down
when zooming in, as occurs on most digital cameras. With an entirely digital
zoom, the PureView can always shoot at F2.4, even if the eventual image is
cropped to the maximum 3x zoom factor. Distortion at the edge of the frame
and zoom-related noise in video clips are also avoided, yet more bonuses of
such a non-optical zoom system.
Video can also be shot at 1080p with up to a 4x zoom factor. Both stills and
video benefit from Nokia’s smooth Slide Zoom function, which allows quick
and accurate crops of either media after you’ve shot your pictures. | t*a
发帖数: 18880 | 2 digital zoom么...
down
digital
is
of
and
quick
【在 L*****s 的大作中提到】
: http://www.expertreviews.co.uk/smartphones/1290631/nokia-purevi
: The lens appears to be nothing special, it’s a little larger than you’d
: expect on a smartphone but it certainly doesn’t seem big enough for the
: monster sensor behind it. It has an F2.4 maximum aperture, but as Nokia
: points out in its Whitepaper on PureView there’s no need to stop this down
: when zooming in, as occurs on most digital cameras. With an entirely digital
: zoom, the PureView can always shoot at F2.4, even if the eventual image is
: cropped to the maximum 3x zoom factor. Distortion at the edge of the frame
: and zoom-related noise in video clips are also avoided, yet more bonuses of
: such a non-optical zoom system.
| t*********r
发帖数: 773 | 3 人还是输出实打实的像素，非插值。只是不能oversampling了。
【在 t*a 的大作中提到】
: digital zoom么...
:
: down
: digital
: is
: of
: and
: quick
| q*z
发帖数: 13362 | 4 是定焦吧,zoom是digital zoom
down
digital
is
of
【在 L*****s 的大作中提到】
: http://www.expertreviews.co.uk/smartphones/1290631/nokia-purevi
: The lens appears to be nothing special, it’s a little larger than you’d
: expect on a smartphone but it certainly doesn’t seem big enough for the
: monster sensor behind it. It has an F2.4 maximum aperture, but as Nokia
: points out in its Whitepaper on PureView there’s no need to stop this down
: when zooming in, as occurs on most digital cameras. With an entirely digital
: zoom, the PureView can always shoot at F2.4, even if the eventual image is
: cropped to the maximum 3x zoom factor. Distortion at the edge of the frame
: and zoom-related noise in video clips are also avoided, yet more bonuses of
: such a non-optical zoom system.
| D*****I
发帖数: 8268 | 5 Digital Zoom....
down
digital
is
of
【在 L*****s 的大作中提到】
: http://www.expertreviews.co.uk/smartphones/1290631/nokia-purevi
: The lens appears to be nothing special, it’s a little larger than you’d
: expect on a smartphone but it certainly doesn’t seem big enough for the
: monster sensor behind it. It has an F2.4 maximum aperture, but as Nokia
: points out in its Whitepaper on PureView there’s no need to stop this down
: when zooming in, as occurs on most digital cameras. With an entirely digital
: zoom, the PureView can always shoot at F2.4, even if the eventual image is
: cropped to the maximum 3x zoom factor. Distortion at the edge of the frame
: and zoom-related noise in video clips are also avoided, yet more bonuses of
: such a non-optical zoom system.
|
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