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Was thinking about getting the M10-R, so I downloaded a few DNG files from DPReview (seems better DR than Q2, and the 50 APO is stunning in 40MP).  Are M10-R DNG files compressed?  They are about 45MB each.

The 7MP difference between M10-R and Q2 should not cause doubling file size.  So I assume M10-R DNG are compressed.  Is it lossless or lossy compression?  

I have sent a few emails to Leica to provide lossy Q2 compression as an option (and different JPG qualities), but no change so far.  I would much prefer compressed DNG files (even lossy ones) for speed and storage.  Is hardware encoder needed that Leica can offer it through firmware update?

Any thoughts?

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Leica uses lossless DNG compression. Previous Ms had a menu option. I don't know whether the M10R has. I think it highly unlikely that Leica will ever offer lossy DNG compression; it doesn't fit their philosophy.
Better buy a larger SSD for you computer.

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8 minutes ago, jaapv said:

Leica uses lossless DNG compression. Previous Ms had a menu option. I don't know whether the M10R has. I think it highly unlikely that Leica will ever offer lossy DNG compression; it doesn't fit their philosophy.
Better buy a larger SSD for you computer.

Let's hope they offer lossless compression for Q2 then. I suppose the downside could be compression error and corrupted files? 

The compression also helps write speed on the card and buffer clearing.  Firmware 2.0 helped a lot, but still had full buffer with Sony Tough SD (advertised 299MB/s write).

The larger computer storage advice unfortunately is not helpful.  Have plenty of storage, and if I am really concerned about DNG file size, LR lossy DNG conversion would do the trick.

There seems a defensiveness sometimes when discussing Leica product.  Isn't Leica's image based on always listening to customers and improving their products?

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