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Our trial frame UB 4 features a super lightweight and user-friendly design. An ergonomic design, easy to reach knobs for PD and nose piece adjustment complete this handcrafted trial frame. The UB4 trial frame is an essential part of a custom refraction. This universal trial frame is handcrafted with great details at the manufacturer in Germany and is controlled by a very strict quality management system.
All benefits at a glance:
- the UB 4 can hold up to 10 trial lenses (five pairs of lenses Ø 38 mm)
- PD range from 46-80 mm
- templates can be adjusted in length and angle
- scale for vertex distance
- height adjustable nose piece
- side length and inclination adjustable
- flexible bendable ear pieces