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Home  >  Products  >  Optometry Instruments  >  Trial Frame


  Product Name:Trial Frame for children
Product Code:TF-5 for children
 

Description:


Specification:

Range of PD adjustments

PD of both eyes:                     

48 ~ 60mm

left or right PD:                    

24 ~ 30mm

Minimum graduated value:             

1mm

Dividing disc axial graduation

Left dividing disc:                  

135 ~ 0 ~ 140

Right dividing disc:                

45 ~ 180 ~ 60

graduated distance:                  

5

Inner diameter of lens frame    

φ32.5mm

Number of lens holding          

5 pieces

Nonparallelism                  

2.5

Non-concentricity              

 0.5mm

Displacement                    

0.3mm

Range of nose rest adjustment:

Length:                              

0 ~ 18mm;   angle:0 ~ 360

Range of legs length adjustment

 

Weight                        

48g

 

 

 
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