Camera module

A camera module, comprising:

• a microscope base;
• wherein the microscope base comprises a supporting portion, a first gap is formed in the supporting portion;
• an optical filter unit;
• wherein the optical filter unit comprises an optical filter and an adhesive layer formed on the optical filter;
• the optical filter is bonded on the supporting portion by the adhesive layer;
• the optical filter comprises a filter area in the optical filter;
• a surface of the adhesive layer facing away from the optical filter is adhesive;
• a second gap is formed in the adhesive layer, the filter area can be exposed from the second gap, parts of the adhesive layer and the filter area are exposed from the first gap;
• and
• a camera lens;
• wherein the microscope base comprises a first surface and a second surface facing away from the first surface, first and second receiving grooves are formed in the microscope base, the first receiving groove is perpendicularly defined between the first surface and the second surface, the second receiving groove is perpendicularly defined between the second surface and the first surface, the camera lens is received in the first receiving groove, and the optical filter unit is received in the second receiving groove.