In Lightbox large images are not centered horizontally but pushed up in the browser w

coro085

Large images in original size in Lightbox are not centered horizontally but pushed up in the browser window.

Example here, same height ( 700 px ) but different lengths.

centered
http://www.romeocolombo.com/SonyNex-7/Voigtlander-Nokton-50-mmF15/i-bhpRGhF/O

pushed up
http://www.romeocolombo.com/SonyNex-7/Voigtlander-Nokton-50-mmF15/i-Vhvt5wr/O

There is a solution?

Romeo