BRD Optical Dome Lens Is Composed Of Two Parallel Optical Surfaces, (A Convex Surface & A Concave Surface). Normally We Can Control The Parallel Tolerance Read More

BRD Optical Designs And Mabufacturers Optical Mirror With High Reflectance, Which Can Double The Output Power Of The Laser; It Is Reflected By The First Reflecting Surface, The Reflected Image Is Not Distorted, And There Is No Ghosting. Descriptio ...Read More

The Optical Glass Filter Is An Optical Device Used To Select The Desired Radiation Band. One Of The Common Characteristics Of Filters Is That There Is No Filter To Make The Image Of Celestial Bodies Brighter, Because All Filters Absorb Certain Wavele ...Read More