50 PRELIMINARY 1M28, 1M75, and 1M150 User’s Manual03-32-00525-04 DALSA4.2 Optical InterfaceThe cameras come with a built in C-mount lens adapter with the appropriate back focal distance(17.52 ±0.18mm).4.3 ComplianceThe IM28, 1M75, and 1M150 have passed the following EMC tests:• EN 61000-6-3: 2001• EN 61000-6-2: 2001