Indigo. The very name evokes a sense of deep, mysterious beauty. From the vibrant, intricate …
Read More »A Beginner’s Guide to Optical Lens
What is an optical lens? An optical lens is an optical device composed of lenses used to form images on negatives or photosensitive elements. The glass used in optical lenses is not an ordinary material that is only light-transmitting or decorative in our lives. The stability and consistency of its …
Read More »








