Since I have this blog now I figured I'd post one of my old projects. It's an interactive film noir we wrote and shot in only 3 nights. I hope you'll enjoy it.
Thursday, 27 December 2012
Friday, 19 October 2012
Free DIY variable ND-Filter (one size fits all)
Free DIY variable ND-Filter (one size fits all)
I don’t really believe in explaining every detail in how I make something, as I want people to think for themselves, since this usually evolves into something better. But this is a very simple build. No drilling, hammering or welding. Just a little bit of glue and cutting with scissors. So as long as you don’t run, you’ll be fine.
Ok, so I lied. Sorry, it’s not completely free. You need 3D glasses. But I imagine most people have a pair of these glasses lying around somewhere, so if you don’t have any you could always ask a friend. You could also go to the local cinema to ask if you can buy one. I assume they won’t cost more than a few bucks. Or, I don’t know, you could just go and see a movie in 3D. Do make sure the movie uses polarized ‘Real D’ glasses, not those big glasses that flicker. And if the movie uses green and red glasses you might have traveled back in time, in which case making an ND filter probably shouldn’t be on the top of your list (and try to avoid kissing your mom).
So these glasses are polarized and I discovered that these can cancel each other out in the same way as using two polarizing filters as a variable ND-filter. You can put them in front of each other and by turning one of them (clockwise or counterclockwise) you can increase or decrease the light they let through. So if you hold this in front of your camera you can control the amount of light coming in. There are two ways these can be used. One is the usual (and you need an old filter), the other is a bit more daring, but way more effective (and free -ish).
On the lens

Subscribe to:
Posts (Atom)