Marbles October 29th 2013
Single pontil ( hard to photograph ) of 11/16" Leighton or German Slag
Photo Information
- Taken with Canon Canon PowerShot SX10 IS
- Focal Length 5 mm
- Exposure Time 1/40
- f Aperture f/2.8
- ISO Speed 200
Single pontil ( hard to photograph ) of 11/16" Leighton or German Slag