Sony's RX1R II, a full-frame for the pockets of power photographers (pictures)

The most interesting technology in the RX1R II is the new variable OLPF, which allows you to choose the intensity of its diffusive effect to manage the trade-off between sharpness and moire.

Even with the addition of a viewfinder, the camera remains relatively small.

The RX1R II retains the excellent 35mm f2 Zeiss T* lens.

The top remains the same with one big exception: the viewfinder replaces the pop-up flash.

The previous model was so slow it didn't even include a continuous-shooting option on the drive mode dial; now it's got one.

The back controls are very similar, except there's now a second programmable button (C2).

Sliding the Finder switch pops up the viewfinder, which then automatically extends back. It doesn't seem to extend backwards as much as the version on the RX100 series.

This tiny battery is just not up to the power drain of the sensor, OLPF unit, viewfinder and back display. And the SD card slot in the battery compartment is a little too consumer-design.

The RX1R II has the same physical connection options as the older models, though it now includes Wi-Fi/NFC for wireless connections.

Here you can see the viewfinder assembly on the left.

Here's the exploded view from the front.

An exploded display of the camera.