BCI Group Ltd has been the key manufacturer of optics for more than20 years. Our guiding principle is to provide our customers with the highest quality optics products,we have successfully created a
Model BT5563B Specification 8x22mm Magnification 8x Obj.lens (mm) 22 Angle 7.0° Field of View at 1000m 122 Apparent Field of View 56° Exit pupil (mm) ...