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Easy to use and light-weight adjustable adult trial frames. Lens holders on right/left side available for 5 pieces of standard trial lenses inserted simultaneously.
Range of PD scale: 50~80mm Single side (right or left)
scale: 25~40mm; Minimum scale Value: 1mm
Axis scale step: 5°
Range of nose bridge adjustment: Height: 0~23mm
These light-weight frames weight only 61g.