Amateur Photographer on MSN5 天
How to make a pinhole camera and take photos in 10 steps
Claire Gillo shares her tips for re-creating the antiquated pinhole camera, and how to develop your own film The post How to ...
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Customizing Multicolored Orbital Angular Momentum Combs
Institute of Photonics and Quantum Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, U.K.