FD-501G On-way Screw Thread Loupe

Function:PD adjusted on the two sides,focal distance adjusted by hands.
Variable function:wearing way variable, color variable on the surface.
Application: Dental,ENT,operation room.
Shortage: unpretty.

Specifications

·    Magnification: 2.5/3.5 X

·    Working Distance: 330/420/550 mm

·    View of Field: φ 120-φ 150 mm

·    Depth of Field:90/70/60 mm

·    Weight:100 g

·    Optional Headlights:Yes