Dog-Violet - Helios 44-2 Lens @F/5.6

Common Dog-violet (Viola riviniana) - Violet family (Violaceae).

Lens: Helios 44-2 58mm F/2 M42 mount.

Settings: Aperture F/5.6 @1/160s, iso 200

Location: Surrey, UK. from heavily shaded lawn.