Nikon D4 D-SLR Debuts, Ships in February for $6,000
January 6, 2012 10:49 AM
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Camera has nice features and HD video recording
Nikon fans have a new D-SLR to ogle courtesy of the new D4 that is aimed at the pro and high-end photographer. The camera has technology based on that of previous Nikon flagship D-SLR cameras.
The D4 has a resolution of 16.2-megapixels and can record full HD video. Nikon uses a 51-point autofocus system that has been tweaked to provide maximum speed. The camera is also capable of shooting at 10fps. The sensor inside the camera is a FX-format CMOS sensor and it is coupled with the EXPEED 23 image processing engine.
Nikon tweaked other areas of the camera for perfect low light shooting with a new 91,000-pixel 3D color matrix meter and a wide ISO range that runs from 100 to 204,800 for low light shooting. The native ISO range, however, is 100 to 12,800. For shooting photos on the fly, the camera was tweaked to be ready to use in 0.012 seconds. Face detection for up to 16 faces is supported on the LCD and through the viewfinder.
The photo and video files are stored to UDMA-7 CompactFlash cards and the camera can use the new
XQD memory cards
. The camera shoots two types of RAW files with normal NEF files and compressed RAW files.
HD video is recorded in 1080p with 30/24fps settings. If the resolution is dropped to 720p, the camera is good for 60fps.
One interesting feature for photographers with an external monitor nearby is that the live view image can be sent to the display live via the HDMI out port on the camera.
The camera will launch in late February 2012 and will sell for $5,999.95.
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1/10/2012 2:19:18 AM
no clue. just something i remember reading a while back. the article did have photos of a model wearing clothes with some very fine detailing on it as an example, as well as pictures of a building with a grid pattern on the facade. maybe this is discussed in more detail at
i also quickly looked up moire pattern removal, and all the filters and descreening methods are lossy. the methods also suggest using 2x the required resolution and then descreening, which works out to 4x the megapixels.
you are also supposed to "use your eyes as the final judge", which would seem like a minor quibble to most of us, but i'm sure is worth a million dollar lawsuit to an international fashion house, designer, or architect.
basically, it boils down to how much fine detail you're willing to loose, and how much you might need to crop an image thereafter.
and also, how much many man hours you're willing to spend on post processing thousands of photos.
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