아스피어 렌즈

Wholesale china manufacture cemented lens achromatic bk9 glass optical lens Achromatic lens is made of two single lenses by gluing. The performance of multi-color (white light) imaging is much better than that of single lens. Achromatic lenses are glued together by two lenses of different materials to correct the dispersion of the glass. The achromatic lens is widely used in multi-color lighting and imaging, which improves the cost-effectiveness. Cemented lens The cemented