Radiant green

(1236 x 927)

This is tiny snowflake, around 1 mm. In center of the crystal can be seen subtle green color, caused by thin film interference effect. 8 serial shots averaged to boost signal-to-noise ratio. Background: dark woolen fabric, natural light (clouded sky), external optics Helios 44M-5, march 2013, Moscow.

More snowflakes in album snowflakes and snow crystals.
Also i wrote small article about my shooting technique.