Endoscope imaging unit and endoscope

An endoscope imaging unit, comprising:

• an objective lens including a first lens and a second lens;
• an imaging element configured to capture an image formed by the objective lens;
• a first lens frame configured to hold the first lens, the first lens frame including a lens barrel that holds the first lens and a flange portion that extends outward from an outer peripheral portion of the lens barrel;
• a second lens frame that is fixed to the first lens frame and holds the second lens;
• and
• a holder that accommodates at least part of the first lens frame and the second lens frame therein and holds the outer peripheral surface of the flange portion of the first lens frame,
• wherein the flange portion is fixed to the holder on a side surface thereof in an extending direction, and
• the second lens frame is fixed to an image-side or an object-side end face of the flange portion of the first lens frame with a gap between the imaging element and the holder.