Welding Glass Doubles as 10-Stop ND Lens Filter | #celebratephotography
I *love love love* simple DIY hacks like this – they’re the backbone of maker culture and the kind of thing multiple people tend to ‘discover’ or ‘invent’ and have their own version of. I for one can imagine modifying our Liquid Crystal Light Valve to perform the same function, without the need for ‘removing’ the filter for image-taking.
Neutral density filter reduces the amount of light going into the lens, so you can take long exposures even when the light is bright.
Long exposures blur anything moving, like water, clouds, or people. This can be very useful for making choppy water look smooth, making clouds streak, or getting rid of people at a tourist attraction.
These types of filters usually cost up to $200 (especially on big diameter lenses), but with this simple hack, you can make it for only $5.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.