Export & Capture picture produces too large a picture

[Ainson]

To get a good quality picture, the resolution needs to be set high, but then the picture size gets too big and needs to be scaled down and this gets tiring after a while.

Example: this small formula at acceptable resolution 192 turns out as a whopping 795 x 337 pixels.

Ideally the output size should be customizable in settings.

Here is a comparison of a decent sized output size at 48 dpi, to one scaled down from 192. It's obvious: