Next up we have that little 'Progressive' box to tick, so tick it I shall. Ok we shall leave it as default YCbCr for now. what does all this mean? I have my camera color space set to being sRGB, is that relevant to this area? Grayscale = 10mb (image turned monochrome, durr)ĬMYK = 56mb! (um wat? this Jpg is now more mb than the RAW? lolwot) Under Advanced we see 4 options, lets start with 'Photometric', it seems to be on 'YCbCr', perhaps this is default? Should I click the pull down menu I see the following options Ĭhanging to each of these gives the following new file size (provided we have still kept the Quality slider at 100). but we shall move on and look at the other settings. Is it worth it? That's something else to consider. The new file size is now 14.4mb just from that tweak alone.
Ok let's first look at 'Quality', no brainer, we can slide that sucker up from 90 to 100. Look at the screen shot below and the variables we can change, and let's run through them all as they all impact the File Size of what the Jpg will end up as (actually trumping the 19.4mb the camera manages to generate for the Jpg in RAW+ mode!). From my 48.7mb DNG file it spat out a 5.77mb Jpg file (not quite the 19.4mb Jpg version the camera managed in RAW+ mode).īut what's this? There seems to be some additional Save Settings we can mess around with for the Jpg 'Save As' with the FSIV program, problem is I don't know what half this stuff means (see screen shot below).
Now if I simply go 'Save As' in FSIV it will generate only a smallish file sized Jpg.
When viewing the DNG file in FSIV it actually shows the Jpg Preview, you can tell this easily with a test such as setting the camera settings Custom Image to being monochrome (BW), that's what you will see on FSIV, not the actual colour RAW file like how LR would present. Ok, so to test things I took a picture in RAW+ mode, and generated an image with a DNG of 48.7mb and Jpg counterpart of 19.4mb (L, *** sRGB etc). Here's what I have discovered thus far, but would appreciate some additional guidance from those with more know-how. There are however drawbacks to using that mode that I won't get into now, but it appears to me that it's possible if just simply shooting RAW for you to always derive the Jpg from the shot (complete with the Jpg settings used at the time of the shot from a couple of ways), either Ī) Use the camera itself and upon Playback>Downward Arrow Press>Raw Developmentī) Use third party software, such as FastStone Image Viewer (FSIV) to somehow extract a decent copy of the Jpg preview file from the RAW DNG. So lately I have been entertaining the idea of using RAW+ as a mode for my cameras.