Chemistry and physics
What *do* you expect?
PENTAX K20D with Sigma EX 30mm 1:1.4DC lens
Focal Length (35 mm): 30.0 mm
Exposure: 1/60 s - Aperture F2.0 - ISO: 200
Chemistry and physics
What *do* you expect?
PENTAX K20D with Sigma EX 30mm 1:1.4DC lens
Focal Length (35 mm): 30.0 mm
Exposure: 1/60 s - Aperture F2.0 - ISO: 200