With Sony A7c, you can record your videos at a highest resolution of 3840 x 2160 at 30p,25p,24p fps with bit rates up to 100 mbps and save in MPEG-4, XAVC S and H.264 formats. Sony A7c's 4K is the common standard resolution in consumer video world.It is also a big step up from its predecessor which has a max video resolution of only. If you are thinking of upgrading your and shoot a lot of video, this is a big factor to consider in favor of A7c.
A great advantage of Sony A7c while shooting video at resolution of 4K is that there is no crop factor so you can use your lens at its actual focal length.
No Video Recording Limit
Sony Alpha A7c doesn't have the 30 minutes max video recording limitation that many cameras have, so you can keep recording non-stop until either your storage is full or battery is depleted or the camera over-heats.
A7c features a high speed mode where it captures videos at 120fps which helps to create slow motion videos. If you shoot a video at a frame rate of 120fps and play it back at 24fps, the video will be 5x slower and longer than normal.
Microphones, Speaker and Headphone Connections
Sony Alpha A7c has a built-in Stereo microphone and a Mono speaker. Sony A7c also has a port for an external microphone
and a headphone port
for connecting external headphones which make Sony A7c a very suitable camera high quality videography.
If you are getting into videography and want to know what are the must-have video accessories for your camera, read our article:
Essential Videography / Filmmaking Accessories for your Camera
Electronic Video Stabilization
Sony A7c also features an Digital Video Stabilization mode where videos are stabilized in-camera while you are shooting. Keep in mind that this effect may crop your videos a little bit and doesn't help stabilizing still images. This kind of video stabilization effect can be replicated by using some of the advanced video editing softwares in your PC.