A MEMS device comprising: an optical component ; and a drive portion including a drive unit having a first drive portion and a second drive portion , both of which extend in a first direction and arranged in a second direction orthogonal to the first direction, and a first connecting portion connecting the first drive portion to the second drive portion, configured to incline the optical component, wherein the first drive portion is divided into a first drive section on a first side in the first direction, a second drive section on a second side in the first direction, and a non-drive section formed between the first drive section and the second drive section, the second drive portion is divided into a third drive section on the second side in the first direction connected to the second drive section through the first connecting portion, a fourth drive section on the first side in the first direction, and a non-drive section formed between the third drive section and the fourth drive section, the first drive section , the second drive section , the third drive section , and the fourth drive section are controlled for driving independently of each other to incline the optical component in a biaxial direction about a first rotation axis line and a second rotation axis line extending in the first direction and the second direction orthogonal to each other in a same plane, respectively, the first drive section and the second drive section are controlled for driving in a same manner and the third drive section and the fourth drive section are controlled for driving in a same manner to incline the optical component about the first rotation axis line, or the first drive section and the third drive section are controlled for driving in a same manner and the second drive section and the fourth drive section are controlled for driving in a same manner to incline the optical component about the second rotation axis line. an optical component ; and a drive portion including a drive unit having a first drive portion and a second drive portion , both of which extend in a first direction and arranged in a second direction orthogonal to the first direction, and a first connecting portion connecting the first drive portion to the second drive portion, configured to incline the optical component, wherein the first drive portion is divided into a first drive section on a first side in the first direction, a second drive section on a second side in the first direction, and a non-drive section formed between the first drive section and the second drive section, the second drive portion is divided into a third drive section on the second side in the first direction connected to the second drive section through the first connecting portion, a fourth drive section on the first side in the first direction, and a non-drive section formed between the third drive section and the fourth drive section, the first drive section , the second drive section , the third drive section , and the fourth drive section are controlled for driving independently of each other to incline the optical component in a biaxial direction about a first rotation axis line and a second rotation axis line extending in the first direction and the second direction orthogonal to each other in a same plane, respectively, the first drive section and the second drive section are controlled for driving in a same manner and the third drive section and the fourth drive section are controlled for driving in a same manner to incline the optical component about the first rotation axis line, or the first drive section and the third drive section are controlled for driving in a same manner and the second drive section and the fourth drive section are controlled for driving in a same manner to incline the optical component about the second rotation axis line. <EOS>