vorgestellt Plano-Convex vs. Biconvex Lens: Differences & Focal Length Formulas
Plano-convex and biconvex lenses are the two most common positive (converging) lens shapes. Both bend parallel light rays to a focus; the difference is that a plano-convex lens has only one curved surface, while a biconvex lens has two. Key Specifications at a Glance Parameter Typical Value Substrate N-BK7, UV fused silica Diameter 5 mm–100 mm Focal length range 15 mm–1000 mm...
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Spherical Singlet Lenses: Types, Specs & Applications
A spherical singlet lens has one or two surfaces ground to a constant radius of curvature — the simplest and most widely used optical lens design. Because a sphere is easier to generate, polish, and test than any other surface, spherical singlets remain the default choice for focusing, collimating, and imaging applications across the visible and near-IR range. Key Specifications at a...
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Optical Lens Buying Guide: How to Choose the Right Lens
Optical lenses converge or diverge light and sit at the core of imaging, illumination, laser, and inspection systems. Before you order one, it helps to match the lens type, material, and precision grade to the actual application — the checklist below covers the decisions that matter most. Key Specifications at a Glance Parameter Common Options Common substrates N-BK7, UV fused silica Diameter...
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