Today Sony released the new A7R IV 61MP camera with impressive real-time tracking autofocus. While this new camera looks to be a beast with the a new sensor Sony also is making advances audio capture with the all-new ECM-B1M all digital microphone.
The new Sony ECM-B1M is the first all-digital hot-shoe microphone designed for the a7r IV camera. The signal is captured and transferred to the a7R IV through its Multi Interface Shoe.
ECM-B1M Shotgun Microphone
The new shotgun microphones eight high-performance mic capsules and advanced digital signal processing provide three selectable directivity patterns in one compact microphone of approximately 99.3mm (4 inches) in length with Super-directional pick up; when connected to the Alpha 7R IV via its Multi-Interface Shoe with digital audio interface support, audio is directly transferred to the camera in digital form so that the highest possible quality is achieved without noise or degradation.
Audio with mirrorless cameras has always been a struggle and if you want good audio you usually need to use an external audio recorder. The ECM-B1M being a shotgun microphone should help to get cleaner nat sound and close range audio capture however like all shotgun
The new ECM-B1M Shotgun Microphone will ship in September 2019 for approximately $350 US and $470 CA.
XLR-K3M XLR Adaptor Kit
The original audio interface also got an upgrade. Two XLR/TRS combo connectors and one 3.5mm stereo mini-jack for microphone and line input, with extensive control that helps facilitate the post-processing workflow; connected to the Alpha 7R IV via the Multi Interface Shoe with digital audio interface support, audio is directly transferred to the camera in digital form so that the highest possible audio quality is achieved without noise or degradation; supplied extension cable for Audio provides extra flexibility for camera attachment with rig, cage or bracket.
The new XLR-K3M XLR Adapter Kit will ship in October 2019 for approximately $600 US and $800 CA.