Before I get too far into testing a camera, I do a series of exposures calculated to see if there are self-heating effects that might skew my test results. Since many of my tests involve making series of sequential exposures that are later subjected to statistical analysis, material self heating can force me to slow… [Read More]
Archives for July 5, 2014
Sony a7S read noise in silent mode
The Sony a7S is unique among the alpha 7 series in that it has a fully electronic shutter option, called “silent mode”. Here’s the read noise histogram at ISO 400K with the shutter in silent mode and the drive mode set to single shot: The histogram is, to put it kindly, sparsely populated. At ISO… [Read More]