name the sensor type of a digital camera that has the color filter array type of bayer and iso settings of 400?
(AND digicams.camera_sensor_type (JOIN (R digicams.digital_camera.sensor_type) (AND (JOIN digicams.digital_camera.color_filter_array_type m.02r8js) (JOIN digicams.digital_camera.iso_setting m.01xrf_g))))