>>3139376>framelines are never fully accuratejust imagine them overlaid on what you're looking at
>no depth of field previewwhat is a distance scale
>no exposure previewyou should be setting eggsposure yourself when you're not in AE ideal light anyway
>parallaxonly a few cm, besides you should only have the camera on your face in the moment of exposure
>no auto focusUr the focus. an AF will struggle in weird light, but with MF you can always focus (preemptively too) as long as you're aware of where the subject is.