Pretty sunshine of your life,welcome to my store
<br />Features:
<br />100% Brand new and high quality
<br />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
<br />Range of PD adjustments:PD of both eyes: 48 ~ 80mm;left or right PD: 24 ~ 40mm;minimum graduated value: 1mm
<br />Dividing disc axial graduation:
<br />Left dividing disc:120°~0°~135°
<br />Right dividing disc:45°~180°~60°
<br />Axial graduation increases along the lens frame axis counter clockwise,and the graduated distance is 5°.
<br />Inner diameter of lens frame:32.5mm.
<br />Number of lens which can be inserted into left or right lensframe simultaneously:4 pieces
<br />Degree of lens rotating around optical axis in the lens frame:360°
<br />Nonparallelism between lens'optical axis and lens frame's geometric axis:≤2.5°
<br />Non-concentricity between lens'optical center and lens frame geometric center:≤0.5mm
<br />Displacement of lens in relation to position of lens frame geometric center:≤0.3mm
<br />Range of nose rest adjustment: Length:0 ~ 14mm; angle:0° ~ 30°
<br />Range of left or right lens frame leg's length adjustment:98 ~ 135mm.
<br />Maximum interval between left and right lens frame legs:200mm
<br />
<br />Specification:
<br />Material: lightweight metal or plastic
<br />Color:Black +Silver
<br />Size:14.5*6*3.5cm 
<br />Net Weight:68g
<br />Package Weight:78g
<br />
<br />Package included:
<br />1x Trial Frame
<br />more Faster more convenient and more fashionable