sbaruche Posted July 6, 2014 Share #1 Â Posted July 6, 2014 Advertisement (gone after registration) When I review a JPG Superfine photo on my LCD screen it is listing at best 4.3 MP , I am missing anything? I do not see an uncompressed sub menu thanks Link to post Share on other sites More sharing options...
Advertisement Posted July 6, 2014 Posted July 6, 2014 Hi sbaruche, Take a look here JPG superfine resolution really 16MP?. I'm sure you'll find what you were looking for!
waloszek Posted July 6, 2014 Share #2 Â Posted July 6, 2014 For JPEG images, the file size depends very much on the characteristics of the scene that you take a photo of. For example, a recent JPEG Superfine photo of mine with large more or less uniform areas has a file size of 4 MB. Typical JPEG Superfine photos, however, have a file size between 6 and more than 7 MB in my case. As a rule of thumb, the more details, the bigger the file size. Best regards, Gerd Link to post Share on other sites More sharing options...
sbaruche Posted July 6, 2014 Author Share #3 Â Posted July 6, 2014 Thanks , you are right I have some files in S,JPG reaching 6.5MB but never close to 8 and for sure never 16MP Â Sylvain Link to post Share on other sites More sharing options...
waloszek Posted July 6, 2014 Share #4 Â Posted July 6, 2014 They are never 16 MB because JPEG is a "lossy" compression format. If you save an X Vario JPEG in TIFF format without any compression you will get 48 MB (3 * 16 because of RGB = 3 colors). Â I just saved a TIFF with LZW compression (lossless) to get an impression of the gain and received 19 MB - but again, the compression depends on the scene. Â My largest JPEG Superfile files seem to take around 7.6 MB (just a quick-and-dirty inspection...). Typical "high quality" JPEG compression rates are about 1:6 to 1:10. Â Best regards, Gerd Link to post Share on other sites More sharing options...
01af Posted July 9, 2014 Share #5 Â Posted July 9, 2014 ... JPG reaching 6.5 MB but never close to 8 and for sure never 16 MP Seems you're confusing bytes with pixels. Link to post Share on other sites More sharing options...
jaapv Posted July 9, 2014 Share #6 Â Posted July 9, 2014 Indeed. If you photograph an flat grey surface in 16 MP you will probably generate a 750 KB. file Link to post Share on other sites More sharing options...
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