As One Right Angle Prism BK7 90° 2×2×2mm /3-6941-01

●An image incident perpendicularly to a right-angled surface will be reflected at 90°. ●An image incident perpendicularly to a slope will be reflected twice on the right angle surface, resulting in an inverted image. ●Used to adjust the declination angle of light and the direction of the image. *Product sizes other than those listed in the product description are approximate dimensions and weights.