- Model Type: Professional optometry optical trial lens frame.
- Specifics: PD adjustable range is 54-70 mm (2.23-2.76 inch), PD adjustment for 2 mm increments (54, 56, 58, 60, 62, 64, 66, 68, 70) .
- Features: Angle & length of side、 nose-pads、 cylinder axis,all Can be adjusted.
- Weight: Ultra light weight , 50g