A few nice digital photos images I found:
Orange Light
Image by fs999
Pentax K-7 • Pentax DA* 200mm f:2.8 ED SDM
Hoya Pro1 Digital Filter Close-Up N°3
Dörr Combi TTL Macro Flash
Red
Image by fs999
Pentax K-7 • Pentax DA* 200mm f:2.8 ED SDM
Hoya Pro1 Digital Filter Close-Up N°3
Dörr Combi TTL Macro Flash