our new designing zoom lens is Galilean loupes 2.5x,the working dsitance is adjustable from 300mm to 600mm.

the loupes optics quality is super high quality. the loupes pupil distance is adjustable and view angle is adjustable.

the loupes is high quality optical glass material with muil-coating. .

• Razor-sharp, edge-to-edge clarity
• Extremely high resolution optics
• Lightweight design
• Multi-coated for: anti-glare, anti-fog and scratch-resistance
•Zoom Lens, working dsitance adjustable 300mm to 600mm

• Manufacturer direct pricing

there are two kinds of frames, Ni-alloy frames and Titanium frames. and also can mounted prescription lens.