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posts by LebedevRI

rawsamples.ch replacement

Rawsamples.ch is a website with the goal to:

…provide RAW-Files of nearly all available Digitalcameras mainly to software-developers. [sic]

It was created by Jakob Rohrbach and had been running since March 2007, having amassed over 360 raw files in that time from various manufacturers and cameras. Unfortunately, back in 2016 the site was hit with an SQL-injection that ended up corrupting the database for the Joomla install that hosted the site. To compound the pain, there were no database backups … :(


Visualizing the raw (sensor) highlight clipping

Have you ever over-exposed your images? Have you ever noticed that your images look flat and dull after you apply negative exposure compensation? Even though the over/underexposed warning says there is no overexposure? Have you ever wondered what is going on? Read on.

the problem

First, why would you want to know which pixels are overexposed, clipped?

Consider this image:

rawoverexposed-0

… Why is the sky so white? Why is the image so flat and dull?