Fancybox for slider – separate button

Hi,

Wonderful plugin, I can able to fancybox popup for slider. But, I need like separate zoom button for popup. When we click that zoom button, popup of current image need to come.

I modified lot in meta slider plugin and its hard for me to go for another plugin for this zoom button.

example: http://www.manrepeller.com/minor_cogitations/new-york-closets-mija-knezevic.html

Is there any way, Please help me

https://wordpress.org/plugins/ml-slider/