50 fold pen type magnifier ( with scale)
Wy05-2 specification: 50*23*138mm
Model: WYBS-50XK

Technical parameters:
Digital value hole dimention: 0.085
Magnifying fold: 50
Object linear observation: ??3.24mm
Minimum value of the division of the scale board:
0.05mm, maximum measuring of the scale: 3mm( 50 fold with scales)
All the optical glasses are plated with transparency
Improving membrane.
Dimension: ??12*122mm with aluminum alloy sleeve.