The Imager SX 4M is a high sensitive, high resolution digital camera used in LaVision FlowMaster PIV system. The camera features an interline transfer chip with progressive scan readout and combines high spatial resolution of 4 Mpixel with fast frame rates up to 30 Hz and low read out noise. The new camera model with a short interframe time dt perfectly fits into LaVision’s well-proven PIV camera family including the most sensitive Imager sCMOS camera.