A super speedy shooter with 4K video recording
Building on the success of the popular RX100 lineup, the IV brings a new sensor design to the table, and with it a host of speedy new features. At its core is a 1in 20.1MP CMOS. While this is the same size and resolution as the one found in the RX100 III, it was previously back-illuminated, while the new model is stacked and incorporates a DRAM chip. This arrangement allows a higher signal processing capacity and a data readout speed that Sony claims is more than five times faster. Not only does this facilitate the camera’s new top shutter speed of 1/32,000sec, it also enables it to capture slow motion video at 40x speed. Burst shooting is possible at an excellent 16.5fps in Speed Priority mode, while a respectable rate of 5.5fps can be achieved with AF turned on. Native ISO stretches from 125-12,800, with the camera maintaining noise control very well below ISO 1600.
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