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-upfunction, headband style,offer the maximum ease of use, combined with multi-functional capabilities, Available in a variety of magnification & working distances.

becasue the Kepler loupes is prismatic loupes, so they are hevary. regarding the normal eyewear style ,doctors will be uncomforable for a long time using. the headband style is a good design for optional. headband can be adjustable according to different size of users' head.

the headband style is good design, when need use the loupes, just plug the loupes on the headband, very easy, when you need the loupes on stork, just relaease the loupes from the headband putting on the bag