BTW fear not, more HDR photos will appear in following days. I just think that every photographer should from time to time enter fields of photography which aren't his "comfort zones". It allows one to improve general skills.
Camera: Canon 5D MK II
Lens: Canon 100 f/2.8 L IS USM Macro
Focal length: 100
Exposure time: 1/200
Flash used: yes, Nissin MF16 Macro ring flash