Trial frame CT2203 titanium, for 4 pairs of lenses

Characteristics:

* Titanium material frame, very strong and lightweight

* Precise measurement, very good quality

*Multifunctional: Adjustable PD, adjustable lens astigmatism axis, adjustable frame length,

    adjustable nose position

*Material: titanium alloy, nylon

Specifications

* Net Weight: 58g

* PD range: , 54, 56, 58, 60, 62, 64, 66, 68, 70.

* PD binoculars: 54~70mm, 1mm per step.

* Monocular PD: 24~40mm, 1mm per step.

*Moving range of the monocular: 25~40mm.

* Left dividing disc: 120°～0°～135°

* Right dividing disc: 45°～180°～60°

* The axial pitch increases along the axis of the lens holder in a counter-clockwise direction, and the graduated distance is 5°.

* Lens frame inner diameter: 32.5mm

* Number of lenses that can be inserted into the left or right lens holder at the same time: 4 pieces

* Degree to which the front lens rotates around the optical axis inside the frame: 360°.

* Non-parallelism between the optical axis of the lens and the geometry axis of the frame: ≤2.5°

* Decentration between the optical axis of the lens and the geometry axis of the frame: ≤0.5 mm

* Lens displacement relative to frame geometry axis: ≤0.3mm

* Nose rest adjustment range: 0~14mm, angel: 0°~30°

* Temple adjustment: 98-135mm.

* Maximum distance between left and right temples: 200 mm