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Captur an image from a HD video with Lightroom 4

New Here ,
Nov 19, 2016 Nov 19, 2016

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I want captur an image from a HD video with Lightroom 4. The output size of the jpeg image is almost 300Ko, which do not correspond to the size of an image from an HD video (must be at least a few Mo). How could I parameter the output resolution of the image ?

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LEGEND ,
Nov 19, 2016 Nov 19, 2016

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You cannot make an image larger in Lightroom. It would be necessary for you to export a copy of the image and specify a larger size. You will have to determine whether or not the quality is acceptable.

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Community Expert ,
Nov 19, 2016 Nov 19, 2016

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Hi Brian,

An HD video frame is 1920 x 1080... or about 2 megapixels. An uncompressed file that size could be a couple of megabytes, but a compressed jpg could easily be much smaller than that, depending on the image content.

You cant predict the file size in Mb, you can only be assure the pixel dimensions will be exactly the size of the video.

Mike

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New Here ,
Nov 20, 2016 Nov 20, 2016

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Hi Mike

thanks for your reply. The output files are indeed 1920X1080 but I am afraid about the file size, no more than 300Ko (I was expected almost 1Mo as you mention it), and about the image quality. Is there a way to specify a moderate compression for an output jpeg issue from a video ?

Is there any difference between the versions of Lightroom ?

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