Obviously it was a thing for film cameras, but now that everything is digital, something like “just make the picture darker” seems extremely easy to do with software
quick edit, I know what ND filters are for and how to use them, no need to explain. it just seems to me that it could be engineered in a way that doesn’t require them, which is what I’m asking about
In: 181
Edit: Seems OP knows about cameras so I’ll keep my reply up because it’s in the spirit of the sub.
I’ll give a super simple answer for you.
Cameras like light. Lots of light. The more light, the better. Now if you remember the game portal with the aperture science logo, cameras have that. Even your phone does.
Now what most people don’t notice is cameras these days auto adjust the aperture based on the amount of light the camera is seeing. Bright sunny day? Tiny aperture otherwise the image will be blown out and way too bright.
Now the issue with a tiny aperture opening is that you lose some great effects, most notably depth of field blur known as bokeh.
So how do we get that awesome background blur in bright light? Well, we can’t. What’s the solution then?
Sunglasses! ND filters are literally just sunglasses for your camera that brings down the overall amount of light coming in while allowing your aperture to be completely wide open.
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