FD-501K(2014) Head Wearing One-way Screw Thread Loupe

Feature:high and accurate magnification.
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.

Specifications

·         Magnification:

·         4.0/5.0/6.0/6.5 X

·         Working Distance:

·         330/420/550 mm

·         View of Field:

·         φ 55-φ 80 mm

·         Depth of Field:

·         40/35/25 mm

·         Weight:

·         200 g

·         Optional Headlights:

·         Yes