3-CMOS colour camera range extended

29 June 2018

Stemmer has announced availability of an expanded range of JAIApex Series of 3-CMOS prism-based colour area scan cameras. The range now features 3.2 Mpixel and 1.6 Mpixel versions, with PMCL, USB3 Vision, and GigE Vision interfaces available in each resolution.

All models are offered at price points well below previous 3-CCD models, enabling machine vision designers to benefit from the colour fidelity and spatial precision of 3-sensor prism technology compared to Bayer sensors. They are also supplied with several pre-processing functions that are well suited for use in colour-critical imaging applications.  
With a choice of PMCL, USB3 Vision, and GigE Vision interfaces to suit the particular application, the JAI Apex 3-CMOS Series delivers high resolution and high frame rates. Combined with Power over Mini Camera Link interface the AP- 3200T-PMCL and AP-1600T-PMCL can output as much as 3 x 3.2 megapixels at 55 frames/second and 126 frames/second respectively. 

The Apex AP-3200T and AP-1600T cameras feature three 3.2 Mpixel IMX265 or three 1.6 Mpixel IMX273 Sony Pregius™ CMOS sensors respectively on an RGB prism. These give outstanding image quality thanks to the 3.45-micron square pixels with low noise and high dynamic range. 

The prism used in the camera range complements the imaging capabilities of the sensors,  providing good spatial resolution.  The prism approach makes spatial measurements or barcode reading more precise and less error prone. In addition, the prism glass has good light transmission properties which enables more light to reach the sensor pixels for better overall sensitivity and lower lighting requirements. 

The JAI Apex 3-CMOS Series is said to offer benefits in key aspects of colour imaging. Accurate RGB values are obtained for each pixel since every pixel captures true colour information in full bit depth. There is no interpolation/estimation of colours which can be critical for paint/ink matching, printing inspection systems, digital pathology, or other applications where colour values need to be accurate. 

Users can also program their own custom RGB conversions using the cameras’ colour matrix circuit.  Enhancer functions are also provided to further improve imaging performance. These cover colours and edges, pixel binning, shading correction based on ROI, automatic gain and shutter control, and single and multi-ROI functions. 

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