Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Fujifilm X-E1 16.3 MP Compact System Digital Camera with 2.8-Inch LCD and 18-55mm Lens (Black)
Product description: The compact X-E1 is engineered to deliver extraordinary image quality. It starts with FUJIFILM's proprietary 16.3 APS-C X-Trans 2/3-Inch CMOS sensor whose unique pixel array is designed to deliver unsurpassed image resolution and color accuracy. Choose from the newly expanded XF Lens lineup with two new bright, high-definition FUJINON X-Mount lenses including a 14mm F2.8 and an 18-55mm F2.8-F4 lens. The 18-55mm allows photographic flexibility, optimizes low-light shooting and coupled with the EXR Processor Pro, the X-E1 delivers high performance auto - focusing. Everything you need in one compact, beautiful camera system.
Product feature: 16.3MP APS-C "X-Trans" CMOS sensor, 6 frames per second continuous shooting, Contrast detect AF, ISO 200-6400, expandable up to 25,600, 1080 HD video, 2.8 inch LCD with 460,000 dots, Electronic viewfinder with 2,360,000 dots, Raw and Raw + JPEG shooting, Pop-up flash with hotshoe, SD/SDHC/SDXC
Product price: $59.45
Product brand: Fujifilm
Target attributes: Sensor Type
Answer: attribute: sensor type
value: cmos
source: product description
attribute: sensor type
value: cmos
source: product feature