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Why do lenses need so many elements? From single lens to Double-Gauss.
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Why do lenses need so many elements? From single lens to Double-Gauss.

Photography·markprobst·about 2 hours ago
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I was always interested in how photographic lenses work optically, but have never found a satisfactory explanation. Last week I worked with Opus on a physically correct lens simulation, and then got the idea to produce a video that goes from showing a…

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Estimator for property tax increase after renovations?

We are interested in having our unfinished attic renovated so that it will become a useable space (likely a yoga/meditation area). Although we are aware that doing so will increase our property tax bill, is there a way to find out approximately how much…

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