Traditional Culture Encyclopedia - Photography major - Is heartbeat signal shooting invisible photography?

Is heartbeat signal shooting invisible photography?

Yes The cameras of heartbeat signal are invisible cameras, which can be used without affecting the normal life of amateur guests, ensuring that people in the "signal cabin" are free to fall in love, so they are invisible. Stealth photography is a simple camera with no lens and only a pinhole-sized aperture. Its imaging principle is that light passing through photography is an expression and an art form.