Here are some things to look out for

1. Image Quality

• Recommended: 1080p/Full HD
• Minimum: 720p
• Best quality: 4K/Ultra HD

2. Weight

• Light camera: easy to carry and no sore arms

3. Optical Image Stabilization

-Prevent shaky footage

4. Audio

-Good built-in microphone

-External microphone connectivity

5. The Lens

6. Your needs

• Low light conditions?
• Action camera?
• External microphone connectivity?

Check out our vlogging camera buyers guide listed in the description