uses a prism system, which offers very clear image. Camber hinge offers comfortable view angle. Prism system give you a wider field of view with maximum magnification. flip-up, dental loupes & surgical loupes, offer the maximum ease of use, combined with multi-functional capabilities,  
Available in a variety of magnification & working distances

keplerian prism flip up loupes

3.5x has sharp image, it is a little heavier, than Galilean style

Items:    350KS, 350KR, 350KL, 350KXL

Power:    3.0X

Working distance: 340mm(S),420mm(R), 500mm(L),550mm(XL

Depth of view:    45mm (S); 45mm (R); 45mm (L); 45mm(XL)

Field of view:     55mm (S); 60mm (R); 65mm (L); 70mm(XL)L)

Weight:          78g

Frames:         Ni-alloy or Titanium

4x magnification uses a prism system, which offers very clear image.
Camber hinge offers comfortable view angle. Prism system give you a wider field of view
with maximum magnification

Items:    400S, 400R, 400L, 400XL

Power:    4.0X

Working distance: 340mm(S),420mm(R), 500mm(L),550mm(XL

Depth of view:    40mm (S); 40mm (R); 40mm (L); 40mm(XL)

Field of view:     50mm (S); 55mm (R); 60mm (L); 70mm(XL)

Weight:          80.5g

Frames:         Ni-alloy or Titanium

5x is also base on the prism system and provides more magnification than 4.0x
while using the benefit of prism system

Items:    500S, 500R, 500L, 500XL

Power:    5.0X

Working distance: 340mm(S),420mm(R), 500mm(L),550mm(XL

Depth of view:    35mm (S); 35mm (R); 35mm (L); 35mm(XL)

Field of view:     40mm (S); 45mm (R); 50mm (L); 60mm(XL)

Weight:          84g

Frames:         Ni-alloy or Titanium

6x has the largest magnification in the series of our products. Comparing with other products
in the market, it combines the largest magnification and light weight, users can enjoy their work with great accuracy while filed of view is preserved

Items:    600S, 600R, 600L, 600XL

Power:    6.0X

Working distance: 340mm(S),420mm(R), 500mm(L),550mm(XL

Depth of view:    25mm (S); 25mm (R); 25mm (L); 25mm(XL)

Field of view:     40mm (S); 45mm (R); 50mm (L); 55mm(XL)

Weight:          84.5g

Frames:         Ni-alloy or Titanium