It has been argued that infinity-corrected objectives without an auxiliary tube lens cannot produce an image on a camera’s sensor because »they focus on infinity« (whatever that may mean). With the examples shown, this myth has been dispelled.
Clean drinking Water is important, but it does not have to be packaged! The hot 2018 summer in Europe has taught us new things: People, traveling or going to work in the heat of the city refilled their own water bottles in public or commercial places. Now friendly cafés, shops, hotels and businesses are welcoming […]
I found it. Heureka! Well- not really, at least something that comes close to what I want. It’s a pilot bag. It has seventeen-or-so pockets, zippers, loops, and is made of the usual nylon textile material. It’s not perfect but pretty close to what I want. The zippers are a bit rough and feel cheap. […]
Of course, for someone in a scientific-technical profession, the skill and art to solve problems is part of the daily life. That’s what we have been trained for, that’s what we do. And one of the approaches to solve a problem is to imagine where else a compatible problem may have come up and what […]