Fisheye lens is a wide-angle lens that takes in an extremely wide, hemispherical image.The focal lengths of fisheye lenses depend on the film format.Fisheye lenses achieve extremely wide angles of....
VY Optics Photoelectric Technology Co., Ltd. specialized in manufacturing kinds of optical precision components and lenses. Through many years' hard work and positive innovation, we have became a....
Specification Dimension Tolerance: + 0.0, -0.1mm Thickness Tolerance: 0.2mm Clear Aperture: > 80% Parallelism: 1arc minute Surface Quality: 80/ 50 scratch and dig Wavefront Distortion: L per....
DeLn Optics Co., Ltd.( China) is a leading company in manufacture and supplies the highest quality crystals and optics. We specialize in the manufacture of precision optical components. including....