Nanofolia is a great wordpress theme for photographers. It offers everything in an easy interface, and puts more focus on your actual photography. The gallery navigation is very intuitive and easy to navigate.

The cms is wordpress and this isn't really a theme for blogging but a theme for a showcase

live demo: http://www.wpmonk.com/demo/nanofolia

price: 20$

For more information and purchase: http://www.wpmonk.com/themes/photography/nanofolia/

if you have any questions feel free to ask.