DotSpy is a powerful quality assurance tool for Mac. DotSpy allows you to check digital films and plates .

Plates and films can be opened and viewed extremely fast, even if the data is not on the same computer as DotSpy. Viewing capabilities are very elaborate. Zooming up to dot level and measuring screen ruling, dot angles, distances, etc. allows quality control departments to find errors before the actual plate imaging.

Read more about DotSpy.