Danyang Huasu Optical Co., Ltd.
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Products
Contact Us
  • Contact Person : Ms. jiang julia
  • Company Name : Danyang Huasu Optical Co., Ltd.
  • Tel : 86-511-86536919
  • Fax : 86-511-86536917
  • Address : Jiangsu,Danyang,No.333 Danjin Road
  • Country/Region : China
  • Zip : 212300

trial frame

trial frame
Product Detailed
trial frame: 1. CE, RoHS certification 2. 10pcs PD adjustable range 3. very high quality but favorable price

trial frame SJ-300:

USAGES:

It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises.

FEATURES:

PD adjustable range (10 specification): 54mm56mm58mm60mm62mm64mm66mm68mm70mm72mm.

MAIN TECHNICAL INDEXES

1Range of PD adjustments

54mm∼72mm, pupillary distance of each specifcation of lens testing frame increase 2mm in turn.

2Axial calibration on each disc

165°∼0°∼180°∼25° axis graduation line runs counter clockwise along axis graduation line of lens frame, with interval of graduation line being 5°.
3Inner diameter of lens frameΦ34mm
4The Number of lens which can be inserted into left or right lens frame simultaneously

4 pieces

5Degree that front lens rotates around optic axis inside lens frame360°
6Non-parallelism degree between lens optical axis and lens frames geometric axis≤2.5°
7Non-concentricity between lens optical center and lens frame geometric center≤0.5mm
8Displacement of lens in relation to position of lens frame geometric center≤0.3mm
9Range of nose pad adjustment

up and down direction 4mm.

10Range of left or right lens frame legs length adjustment

90mm∼99mm,length of specification of trial frame increase 1mm in turn.

11Maximum interval between left and right lens frame legs200mm
12Weight

35.6g∼37.4g Weight of specification of trial frame increase 0.2g in turn.

 



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