Can't see full preview while zoomed in

[shotcut]

For more precise visual cropping try using (in conjunction with player zoom) Apply to Source in

Crop: Rectangle

Crop: Rectangle is a filter used to crop a specified region of a video clip or image file to the current Video Mode. Keyframes are available with this filter. Filter can be applied to Source, selected clip, Video Track or Output. Parameters Preset: Save current settings for later use. To use later, just click the drop-down menu for selection. Position & Size: Values can either be input by keyboard or adjusted by the adjustable border corners and center. Corner radius: Apply a corner radi…