Reikan has announced a major update to its AF tuning software, FoCal. FoCal automates the process of calibrating your lens to your DSLR camera body, important – if not absolutely necessary – for critical focus when using fast lenses that yield shallow depth-of-field. Version 2 introduces the ability to check your copy of a lens against other users’ test results. Read more
Articles: Digital Photography Review (dpreview.com)