Did Sony just do the impossible?

24 Jun 2015 • dpreview.com

Thankfully, with the a7R II, Sony has doubled down on removing all sources of softness-inducing shocks. The shutter itself has been redesigned to minimize its impact, but the biggest story here is an electronic first curtain. The sensor readout speed has been increased sufficiently such that all the 42 million plus pixels can be reset fast enough electronically to not require the mechanical shutter to initiate the exposure at all. Like the a7, a7S, a6000, etc., when you press the shutter button, the entire sensor is reset electronically, and after the chosen shutter duration time, the mechanical shutter drops to end the exposure.

Impressive. I guess if your paying for 42 million pixels its fair to expect them all to be perfectly sharp. Am I silly to still be content with 12MP and think 16 sounds just fine?