The Sony a7R III Has No Star Eater Effect
In August 2016, Sony made a firmware modification to the a7R II and a7S II cameras. Among the changes was a new algorithm designed to reduce noise during long exposure photography. Unfortunately, the new noise reduction approach was a bit too aggressive and the astrophotographer community quickly realized that the new filtering method was removing minor stars during exposure longer than 3.2 seconds. They named this issue the “star-eater” effect and many specialists called Sony for a change. Photographer and time-lapse expert Drew Geraci is happy to report that the problem has been fixed in the new Sony a7R III.