Very common in theatrical lighting, where a somewhat-focused beam is wanted but the not-quite-crisp edges characteristic of a Fresnel lens are an asset rather t

Very common in theatrical lighting, where a somewhat-focused beam is wanted but the not-quite-crisp edges characteristic of a Fresnel lens are an asset rather than a liability. For example: https://www.strandlighting.com/global/products/rama-led-fresnel-mkii https://www.strandlighting.com/global/products/rama-led-fres...