the last word
Photography meets digital computer technology. Photography wins -- most of the time.
August 6, 2015 By JimK 2 Comments
Nick Wheeler says
August 6, 2015 at 4:21 pm
Jim – I’ll be damned if I can understand why the silent shutter mode is reducing dynamic range. Is it because Sony engineers needed to reduce the number of receptors on the sensor to accomodate the shutter design somehow? Are the file sizes smaller too? What is going on here.
How is the electronic first curtain shutter working? Similar improvement to the Nikon D810?
August 6, 2015 at 4:25 pm
Nick, I think they’re trying to minimize the time to complete the exposure. They a7S needs 1/30 second in silent shutter mode, which many people consider to be a lot compared to the 1/250 second or so that they’re used to which mechanical focal plane shutters. I haven’t measured the a7RII silent shutter travel time, but I’ll bet it’s close to 1/30 second.
The way silent shutter works, that means they only have 1/30 second to read out the whole image.
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