Head-mounted optical magnifying device

A head-mounted optical magnifying device adapted to be worn on a head of a user and for reflecting a magnified image of an object to eyes of the user, said head-mounted optical magnifying device comprising:

• a head frame unit that is adapted to be worn on the head of the user and to surround a periphery of the head of the user, said head frame unit including a front frame bar adapted for abutting against a forehead of the user;
• a mirror frame unit that is disposed in front of a front side of said head frame unit in a front-rear direction and that includes two support arms spaced apart from each other in a left-right direction transverse to the front-rear direction;
• a mirror unit that is mounted to said mirror frame unit, and that includes an objective mirror set extending in the left-right direction and mounted to said two support arms, and an ocular mirror set disposed in front of a front side of said objective mirror set in the front-rear direction, said mirror unit configured to form an optical path extending from the object toward and reflected by said objective mirror set, and then extending toward and reflected by said ocular mirror set to the eyes of the user;
• and
• a counterweight unit that is mounted to said head frame unit, and that includes a head counterweight slat mounted to said front frame bar, said head counterweight slat having a proximal end that is mounted to said front frame bar and a distal segment that is opposite to said proximal end in the front-rear direction, that extends rearwardly, and that is adapted to be disposed above the head of the user in an up-down direction transverse to the front-rear direction and the left-right direction.