Round Double Bridge

• Model Number: CN-5059S (printed on the left lens).

• Size Specifications: 48☐21-142

• 48mm: Lens width.

• 21mm: Bridge width (the distance between the lenses).

• 142mm: Temple (arm) length.

• Design Features:

• Material: Thin matte black metal.

• Style: Round frames with a slim secondary "top bar" or double bridge.

• Lens Type: Clear demonstration lenses, likely with a blue-light filter coating (noted by the subtle green/blue reflection)