abmcr

Add a checkbox into media window for insert a javascript zoom to large image with jQuery ColorBox. 
The basic idea id build from Viva Zoom Plugin , but i want no use Highslide but jquery. 
The plugin is a simple version of the more powerful <a href="https://wordpress.org/extend/plugins/jquery-colorbox/" rel="ugc">“jQuery Colorbox”</a>

JQuery Colorbox Zoom

Add a checkbox into media window for insert a javascript zoom to large image with jQuery ColorBox.

Sultan Nasir Uddin

The plugin adds simple light box with zoom effect to any of the image on your site.
Usages: 
Just add <code>rel='zoomify'</code> attribute or add a class <code>zoomify</code> to the image. 
Example: 
Using rel attribute
Using class
 
The plugin will automatically recognise the image and adds light box to that.

WP Image Zoomify

Good plugin

WP Image Zoomify is a simple image light box plugin with zoom effect.

JQuery Colorbox Zoom vs WP Image Zoomify