Dynamic range and RAW file "bit depth"

Started Jan 25, 2014 | Questions thread
Shop cameras & lenses ▾
completelyrandomstuff Regular Member • Posts: 176
Re: Dynamic range and RAW file "bit depth"

That would make sense. The nonlinearity will begin the moment there are interactions between the electrons deficiency in the well. It takes more energy to remove an electron from a more negatively charged body. So that 'compression' is not necessarily engineered, I think it's a consequence of physics.

However, the way you digitize the signal, is engineered. The camera devotes the least digitization levels to lowest signals and that should, in theory compensate for the nonlinearity of the relationship between photon flux and well filling.

This is why DXO reports the  S/N ratio at 18% btw. This 18% corresponds to 50% gray.

 completelyrandomstuff's gear list:completelyrandomstuff's gear list
Olympus E-510 Pentax K-30 Olympus PEN E-PM2 Pentax smc DA 16-45mm F4 ED AL Sigma 10-20mm F4-5.6 EX DC HSM +1 more
Post (hide subjects) Posted by
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow