Zoom's iQ5 Professional Stereo Microphone with Lightning Connector ($100) is an interesting new accessory. The mid-side microphone has two mic elements, making it suitable for portrait or landscape recording. On the front of the device, you'll find switches for the stereo width setting and auto gain, while there's a mic gain knob on the side. Opposite that, there are mini-USB and headphone ports. The accessory can be used with Zoom's app, as well…