how i can add custom zoom in and zoom out functionality

[priyank989]

this.zoom = new ImageViewer('.modal-img img',{
maxZoom: 10000
});

i want to zoom in by 50 using below code

public zoomInImage() {
this.zoom.zoom(this.zoom.zoomValue + 50);
}

It's not working. can you please help me to do this

[priyank989]

@s-yadav can you please help me.

Thanks