SonyAlpha Rumors, Sony has developed a product that is essentially a full camera-in-a-lens system, meaning it is a high-end lens with built-in sensor, battery, and storage. The lens would be able to attach to a smartphone or be used separately, and could transmit the images you capture to a mobile device via NFC or Wi-Fi. The report says you will be able "to see live view images on your mobile device", which seems to indicate that your mobile device will act as a live viewfinder.According to the report from
The report says the first release will essentially be 1" 20.2MP Exmor R sensor and f/1.8 Zeiss lens that you would find in the Sony DSC-RX100M II camera. The second model will have a smaller sensor, but longer optical zoom.
No word yet on pricing or availability.