This DIY Infrared Flash Lets Street Photographers Shoot Without Being Noticed

Flash has been a creative accessory for many photographers, but when it comes to genres such as street photography, it can be disruptive. It often leads your subjects to know that they are being photographed, and that can be a huge challenge if you are working discreetly. To fix this issue, an analog photographer on Reddit has come up with an 'invisible' flash, which does not alert the subject. Here's a look at how.