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2 Colored Glass Tiles, UnMarked; Are They 'Daylights'?
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<p>[QUOTE="Lark, post: 9488835, member: 13605"]Could the second one be a Fresnel lens? </p><p>Fresnel lens</p><p>A Fresnel lens is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections.<a href="https://en.wikipedia.org/wiki/Fresnel_lens" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Fresnel_lens" rel="nofollow">Wikipedia</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Lark, post: 9488835, member: 13605"]Could the second one be a Fresnel lens? Fresnel lens A Fresnel lens is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections.[URL='https://en.wikipedia.org/wiki/Fresnel_lens']Wikipedia[/URL][/QUOTE]
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2 Colored Glass Tiles, UnMarked; Are They 'Daylights'?
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