Thanks to everyone for chiming in. I guess there is nothing wrong. I am going
to check that I am not embedding the original RAW file into the DNG, but
otherwise I will just continue taking pictures ;-)
Cheers,
Nathan
Nathan Wajsman
Alicante, Spain
http://www.frozenlight.eu
http://www.greatpix.eu
PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
Blog: http://nathansmusings.wordpress.com/
YNWA
On Jul 2, 2014, at 3:25 PM, Chuck Norcutt wrote:
> Basic question: Why do you convert to DNG?
>
> From reviewing data on DPReview for the M8 (10.3MB) and X-T1 (16MP) (X-Pro 1
> raw file size not available in the review) the M8's raw file is 10.3MB and
> the Fuji X-T1 (same 16MP sensor size) is 32.2MB.
>
> If these files were stored in non-compressed TIFF files (DNG is basically a
> TIFF file) the M8 would require (assuming 6 bytes/pixel) 61.8MB and the Fuji
> would require 96MB. The fact that their raw files don't require nearly this
> much space clearly shows that the raw files incorporate some form of
> compression and probably bit-packing of the pixel data as well.
>
> The fact that the DNG fits into 50-60MB rather than 96 also indicates some
> form of compression going on but clearly not as efficient... maybe because
> the DNG is a lossless algorithm and the camera makers allow some degree of
> loss. I once considered using DNG but, not having drunk the Adobe DNG
> KoolAid, ultimately couldn't explain to myself why I should do so.
>
> Chuck Norcutt
>
>
> On 7/2/2014 3:28 AM, Nathan Wajsman wrote:
>> I have only had my Fuji X-Pro 1 for a couple of years, so those of
>> you who know my indifference towards technical details will not be
>> surprised that I discovered only this week that the DNG pictures
>> (once converted from RAW by Lightroom) from the Fuji are huge, 50-60
>> MB. This compares to the Leica M8 at around 7-8 MB. I shoot RAW only
>> (i.e. no RAW+JPG, pure RAW for me thank you), and while I suppose the
>> X-Pro 1 has more megapixels than the M8, I don't think it is that
>> many more.
>>
>> Have others who have the Fuji X cameras noticed the same thing?
>>
>> Good thing storage is cheap these days.
>>
>> Cheers, Nathan
>>
>> Nathan Wajsman Alicante, Spain http://www.frozenlight.eu
>> http://www.greatpix.eu PICTURE OF THE WEEK:
>> http://www.fotocycle.dk/paws Blog:
>> http://nathansmusings.wordpress.com/
>>
>> YNWA
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