Embodiments relate to an image sensor and a method of fabricating the same. In embodiments, the image sensor may include a semiconductor substrate having a photo detector, and a micro-lens array including lenses for guiding light incident from an exterior toward the photo detector, wherein the micro-lens array may include a dry film resist material. The dry film resist may include a polymer having a glass transition temperature of approximately 100° C. or less, and a molecular weight of approximately 10,000 or less.