Features:
1.100% Brand new and high quality
2.Brand new optical trial lens frame， provides the ability to refract even the most difficult prescriptions and offers all the adjustments to ensure a proper and comfortable fit onto your patient
3.Range of PD adjustments:PD of both eyes: 48 ~ 80mm;left or right PD: 24 ~ 40mm;minimum graduated value: 1mm
4.Dividing disc axial graduation:
   Left dividing disc:120°~0°~135°
   Right dividing disc:45°~180°~60°
5.Axial graduation increases along the lens frame axis counter clockwise，and the graduated distance is 5°.
6.Inner diameter of lens frame:32.5mm.
7.Number of lens which can be inserted into left or right lensframe simultaneously:4 pieces
8.Degree of lens rotating around optical axis in the lens frame:360°
9.Nonparallelism between lens\'optical axis and lens frame\'s geometric axis:≤2.5°
10.Non-concentricity between lens\'optical center and lens frame geometric center:≤0.5mm
11.Displacement of lens in relation to position of lens frame geometric center:≤0.3mm
12.Range of nose rest adjustment: Length:0 ~ 14mm; angle:0° ~ 30°
13.Range of left or right lens frame leg\'s length adjustment:98 ~ 135mm.
14.Maximum interval between left and right lens frame legs:200mm

Specification:
Material: lightweight metal or plastic
Color:Black +Silver
Size:14.5*6*3.5cm
Net Weight:68g
Package Weight:78g

Package included:
1x Trial Frame