02-17-2011, 01:00 PM
Yeah, a simple workaround to avoid the problem...
And just out of curiosity... how can we distinguish residual spherical aberration (focus shift at closed aperture) from field curvature? Is the field curvature effected by the closing of the aperture?
Serkan
And just out of curiosity... how can we distinguish residual spherical aberration (focus shift at closed aperture) from field curvature? Is the field curvature effected by the closing of the aperture?
Serkan