![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgo3vqqUSQAhSf0aoX7zZeXMNuxPixdhimPvI7OYEe3aUh5eCjw3K-vkBSjsP-ITcXhE_FAk4RZk4O67crAl6H-QyL8VfGz7gJGeNWpJ8f4XqYPbzj3Pe911EacaCijeN5tBGl3z7FKhEHl/s400/405px-Christus_Sol_Invictus.jpg)
Christ as Sol Invictus, the invisible sun, showing the influence of Roman sun worship upon the development of Christianity. Some information from someone who clearly knows more than I do here, and some translations of contemporaneous texts here.
Photography and Light.