Skip to main content
9 votes

Lighting for video in room with no windows, choose led or cfl

It's not just about lumens. Generally you get what you pay for when you're buying lights, and the difference between an expensive LED and a cheap one is not usually the power output, it's the colour ...
stib's user avatar
  • 13.7k
9 votes

Remove flickering due to artificial light with ffmpeg

The following worked well for me, based on the same ideas http://www.premiumbeat.com/blog/quick-trick-for-de-flickering-your-video-shots/ https://superuser.com/questions/1025794/merge-two-videos-...
niscove's user avatar
  • 91
5 votes
Accepted

Wattage for green screen lightning

Wattage has nothing to do with lumens, as different instruments provide a wide spectrum of output lumens based on lamp type. For instance, a 1.2K HMI ArriLite would put out more light than a 5000W ...
McFlySoHigh's user avatar
  • 2,487
5 votes
Accepted

Health issues concerning video lights

Mercury is enclosed within the bulb, and does not pose any threat to the user, unless the bulb breaks. In such case the amount of mercury released is still rather small, though it certainly makes sure ...
user1079505's user avatar
4 votes

Things to consider when shooting through car window at night?

I'm making a short film that takes place mostly in a car at night. Will I need a polarizer to see the actors through the windshield? A polarizer could help reduce reflections, but the best way to do ...
Michael C's user avatar
  • 171
4 votes
Accepted

Which of these two crude green screen lighting setups is better?

Well the 2nd is better. But the correct way is to light your Green Screen first, and you want to have it lit so it's a flat 70 IRE. You'll need a monitor with a Waveform option, and the waveform ...
McFlySoHigh's user avatar
  • 2,487
4 votes
Accepted

Camera flash produces unwanted artifacts on the video

This is actually a collateral effect of the concept of rolling shutter. Most video devices do not expose all the frame area at once. They expose starting from one side and (up or down) and move from ...
Rafael's user avatar
  • 1,182
3 votes

LED light temperature why does it matter?

If I'm adding light to a scene that already has a light source - say I'm shooting near a window, and I'm adding a key or some fill light - I need to be able to match the colour of the existing light ...
stib's user avatar
  • 13.7k
3 votes
Accepted

I am doing a scene in a movie where someone runs through a forest

There are a number of options for keeping a moving camera steady. There's the new electronically controlled gimbal mounts, they do an amazing job of removing camera movement, and they're relatively ...
stib's user avatar
  • 13.7k
3 votes
Accepted

Shutter Speed or frame rate we looking at when dealing with flickering issue?

The reason you get flicker in the video is that many conventional lights don't actually stay on all the time. When running on AC power, the power actually "goes off" 100-120 times a second (depending ...
AJ Henderson's user avatar
  • 19.4k
3 votes
Accepted

How to get the Cinematic look

There are a few important things to consider: Lighting is perhaps the most important aspect to creating a filmic image. A lot of filmmakers like to use natural light such as Innaritu on The Revenant. ...
Alex's user avatar
  • 809
3 votes
Accepted

LED light types

The first question you asked answers itself: just read the specifications of the two products and compare. The second question you asked is perhaps more interesting. LED matrix lights on cameras ...
Michael Tiemann's user avatar
3 votes
Accepted

Lighting a chalkboard

Bad lighting and/or bad camera placement are the cause. If you can't move the lights or the chalkboard, such as in many typical classrooms, the first thing you should try is moving the camera. You ...
Jason Conrad's user avatar
  • 4,504
3 votes

Can I achieve effective keying if I use green lights to illuminate a white wall?

My favorite quick, cheap, DIY greenscreen over the years is a gallon of chromakey paint and a sheet of drywall from Lowe’s or Home Depot. One sheet is enough for a seated, talking head, like you see ...
Jason Conrad's user avatar
  • 4,504
2 votes

Lightbox required with LED Lights?

Depends on how big the panels are, I'm assuming these are LED panels. Really, you only need 2 lights for the subject, and 1 light if you want to stylize the background. You can use a foamcore if you ...
McFlySoHigh's user avatar
  • 2,487
2 votes

How should I light two people teaching a dance video tutorial?

I've been in similar situations/venues in the past. It reads to me like you have little to no budget and no crew to speak of, since you are asking the question yourself which suggests that you are ...
CyanideBaby's user avatar
2 votes
Accepted

Yongnuo YN 160S - how to get inside?

Well, I'm an idiot, or was just really tired the first time I looked things over, because after taking another look today I realized that the shallow circular indentations at the corners of the face ...
junkyardsparkle's user avatar
2 votes
Accepted

How to light a video properly?

For action, you're probably going to need flat, even lighting. Builders' work lamps, bounced off white walls or reflectors, are probably the most cost-effective way of lighting large spaces. You can ...
Learnaboutfilm's user avatar
2 votes

Cheap or diy lighting for video production

LED's especially strip LED strands may give you flicker problems, especially if your shutter isn't locked to the same Hz of the AC the LEDs are running off of. Best bet, cheap shop lights from a ...
McFlySoHigh's user avatar
  • 2,487
2 votes

How to light a scene with a window and monitor in the background?

Your foreground lighting must exceed your background lighting, or else you'll have to manually increase your iris/gain a lot, which is not ideal because it will washout the window and monitor. I ...
user3643's user avatar
  • 2,264
2 votes
Accepted

How to light a set using coloured fluorescent lights

Try searching for "LED Neon Tube". Nowadays LEDs are so common for venue lighting, maybe the set designers might went that route. If this is fluorescent, they could be white fluorescent bulbs ...
MichaelsonBritt's user avatar
2 votes

How are/were low-light scenes such as concerts shot on film?

I was an assistant editor on Song Remains the Same. I think the fast lens answer is probably correct and I think the stage was lit a lot more than you would think. It was shot multi camera at MSG and ...
Rich HI's user avatar
  • 56
2 votes

Lighting a chalkboard

Did you try bouncing the light off of the ceiling? Make sure none of the light is visible in a direct line to the blackboard. You will need more light to get the same exposure, but, if you don't have ...
bigO's user avatar
  • 71
2 votes

Lighting a chalkboard

Large area soft lights. Bouncing lights off the ceiling is a good idea. If you don't have soft lights, you can soften them by placing a diffuser in front of them. Shower curtains work well for this. ...
tomh's user avatar
  • 7,872
2 votes

Manual white-balance for non-neutral lighting

You're doing it wrong. For one, the 18% grey card is for exposure, use a white card for white balance. For two, the whole point of the white / grey card is that you expose it under the lighting ...
stib's user avatar
  • 13.7k
2 votes
Accepted

How much light do I need?

There are several things to consider when purchasing and setting up lights. As for the brightness, the brighter you're lit up, the less noisy your image will be. Brighter light will also allow your ...
Rondore's user avatar
  • 56
2 votes
Accepted

How to compare the illuminance of similar light fixtures in Lux given at different distances?

You could do some back of the envelope calculations, if they're both the same shape and the LEDs in them have similar lenses etc., the beam will be similar, so the falloff will be similar. Given that ...
stib's user avatar
  • 13.7k
2 votes

Can I achieve effective keying if I use green lights to illuminate a white wall?

I think if you light the wall green, you will get lots of bounced light back onto your subject which will play havoc with your key. Amazon does very cheap greenscreens now, which work pretty well so ...
tomh's user avatar
  • 7,872
2 votes

Can I achieve effective keying if I use green lights to illuminate a white wall?

I interned at a company many years ago which used a retro-reflective background coupled with a green LED ring light, which surrounded the lens. The wall looked silver/white when the device wasn’t in ...
Jason Conrad's user avatar
  • 4,504

Only top scored, non community-wiki answers of a minimum length are eligible