Demo

So let's get started?
To continue, click the "Next" button below.
First, we will learn how to use the interface
Obviously, the "Next" button and the "Previous" button below are for your navigation.
How to get the best experience
In the following steps, there are the pictures of the viewfinder. To resize the pictures click on the plus and minus buttons above, and to reset the size click on the picture itself.
Why would you want to resize the images you ask? To get the most enjoyable experience, the picture size should be as close as possible to 4 cm' (or 1.6 in'). If you are unable to reach a size close enough, try opening the site to different screen size.