A pixel (Pxl) of an image sensor, the pixel (Pxl) comprising: a photoelectric effect element for generating electrical charges in response to incident electromagnetic radiation, a primary detection node, a secondary detection node, a transfer grid which is connected between the output of the photoelectric effect element and the primary detection node to control a transfer of electrical charges towards the primary detection node, an attenuator which is connected between the primary detection node and the secondary detection node and which has an attenuation factor selected to convert a first input voltage range into a second output voltage range, the second voltage range being smaller than the first voltage range, a first re-initialisation commutator which is connected to the primary detection node to re-initialise the detection node at a first selected supply voltage; a second re-initialisation commutator which is connected to the secondary detection node to re-initialise the detection node at a second selected supply voltage; an amplification stage comprising a first amplifier comprising a first low-noise transistor which has a grid which is connected to the secondary detection node, a selection commutator which is connected to the output of the amplification stage to sample the output signal of the amplification stage; the pixel being characterised in that the attenuator comprises: a first capacitive element which is produced between the primary detection node and an electrical earth, a second capacitive element which is produced between the secondary detection node and the electrical earth, a third capacitive element which is produced between the primary detection node and the secondary detection node. a photoelectric effect element for generating electrical charges in response to incident electromagnetic radiation, a primary detection node, a secondary detection node, a transfer grid which is connected between the output of the photoelectric effect element and the primary detection node to control a transfer of electrical charges towards the primary detection node, an attenuator which is connected between the primary detection node and the secondary detection node and which has an attenuation factor selected to convert a first input voltage range into a second output voltage range, the second voltage range being smaller than the first voltage range, a first re-initialisation commutator which is connected to the primary detection node to re-initialise the detection node at a first selected supply voltage; a second re-initialisation commutator which is connected to the secondary detection node to re-initialise the detection node at a second selected supply voltage; an amplification stage comprising a first amplifier comprising a first low-noise transistor which has a grid which is connected to the secondary detection node, a selection commutator which is connected to the output of the amplification stage to sample the output signal of the amplification stage; the pixel being characterised in that the attenuator comprises: a first capacitive element which is produced between the primary detection node and an electrical earth, a second capacitive element which is produced between the secondary detection node and the electrical earth, a third capacitive element which is produced between the primary detection node and the secondary detection node. a first capacitive element which is produced between the primary detection node and an electrical earth, a second capacitive element which is produced between the secondary detection node and the electrical earth, a third capacitive element which is produced between the primary detection node and the secondary detection node.