FRESNEL & LENS FOCUS SETTING [ DIY PROJECTOR ]

Описание к видео FRESNEL & LENS FOCUS SETTING [ DIY PROJECTOR ]

As this is the basis of making a simple Projector, especially in adjusting Fresnel Lens & Focus Lenses. In this way we will easily get the perfect position, This is a simple problem in assembling the projector but will be a difficult problem if we do not know this basic technique. In the video only just for example & in actual practice you are free to use other materials such as thick wood acrylic or iron plate even with the same measurement method or even you have a better way.

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