TEC-HRO screen is an innovative eye visor that can do more than just cover the non-target eye.
Advantages of TEC-HRO screen:
The aperture is made of plastic and therefore lasts a very long time (as opposed to paper panels).
Of course, it has exactly the standard of 30 x 100 mm prescribed by the sports regulations, which is easy to understand on the basis of a printed milimeter scale.
In addition, the aperture is provided with a hole, which makes it possible not only to plug the aperture under the headband, but also to attach it to the diopter. To do this, you unscrew the iris, put the aperture on it and screw it up again.
In addition, there are small rings on the aperture that can be used to measure the size of air pressure shot images.
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