4.0x Keplerian Prism Loupes

big magnification, but field of view has not any cut-down, as like 2.5x or 3x,highest resolution for the most precise operation.

Specifications

Model	Magnification	Working distance	Depth of Field	Field of view	Weight
400S	4X	340mm	40mm	60mm	88g
400R	4X	420mm	40mm	65mm	88g
400L	4X	500mm	40mm	70mm	88g
400XL	4X	550cm	40mm	75mm	88g

color:black loupes, black frame, black fasten belt, black clean fabric, black eyeglass case.

Much more power than the Galilean system; perfect for such detailed operation as root canals.
Super high resolution clarity for the ultimate vision experience.
Flip-up function means if you do not need the loupe temporarily, just flip it up; no need to take it off.
Adjustable nose bridge accommodates to any pupil distance.