Ben en uzun 3 senelik aldim, ama is sebebiyle 5 senelik alan da biliyorum.
Zaten sitesinde de yaziyor, turistik amacla gezenler 3, is sebebiyle gezenlere 5 yil diye:
"3 year multiple-entry Schengen visa
The 3-year MEV gives the right to its holder to enter the Schengen Area as many times as they wish within a period of three years."
"5 year multiple-entry Schengen visa
5-year MEV is granted to people that travel a lot to the Schengen Zone, especially for business."www.schengenvisainfo.com