科思捷光電專注加工屋脊棱鏡 A roof prism (also called a Dach prism as dach is German for roof) is in general any kind of reflective optical prism containing a section where two faces meet at a 90° angle. Reflection from the two faces returns an image that is flipped laterally across the axis where the faces meet.   指標：材料：K9優(yōu)等品有效孔徑：> 90%崩邊：< 0.15mm, 屋脊棱線崩邊<0.01mm平行度： 屋脊棱與S1面平行度< 1′光潔度：40-20 S/D面形：λ/8@632.8mm出入射面鍍增透膜：R < 0.2%@中心波長   鏈接： cn.crysor.com/Roof-Prism.html