So I’ve been shooting a lot with a Canon XL H1 high-definition camera lately, and I’ve learned a couple things. It’s still awfully early on, but I think my number-one lesson has been less fucking light.
I want to make this clear right from the start: I am not a professional cinematographer. I’m not even an especially skilled amateur cinematographer. I know the glass part goes toward the subject, but beyond that, I’m strictly a tyro.
I do have a little experience shooting high-definition with a Sony HDW-F900. The F900 was the first real high-definition camera suitable for creative cinematography. We’re going back about eight years here, which should tell you just how out-of-date my experience is. While it looks pretty grim compared to modern cameras like the Panavision Genesis, the F900 was a pretty astonishing piece of kit for its day.
When I first started shooting on the XL H1, the first thing I noticed was that the footage I was getting was almost as good as what I could get out of the F900. There are some real differences, obviously, especially when recording to the H1’s built-in HDV recorder. I would gnaw off my own genitals before I tried pulling a greenscreen key off HDV footage. But if you take a step back and consider the overall quality of the footage, then factor in that the F900 used to sell for about $100,000 without a lens while the H1 debuted for about $10,000 with lens, the results start looking very impressive indeed.
But in actual practice, I found myself struggling with the H1 against footage that was slightly soft, very grainy, and just depressingly flat.
I think I’m starting to find solutions for all those problems, though.
The H1 lives in a strange no-man’s-land between the cheap-ass camcorders you see at the Try-n-Save and professional cameras suitable for electronic news gathering or low-end digital cinematography. Unlike consumer cameras, the H1 comes with a very good lens, and through the use of some adapters that typically cost about as much as the camera body itself, can be fitted with cinema-grade prime lenses. But unlike professional cameras, the H1 also comes with a variety of “point and shoot” recording modes that, in my experience, make all the wrong choices when it comes to setting the camera’s various parameters.
The ones that matter here are focus, gain, aperture, shutter speed and color temperature.
The H1’s stock lens comes with an autofocus option. We’re all pretty used to autofocus, now that still cameras have pretty much perfected it. But here’s the thing: A still camera has to hold focus for a fraction of a second. A motion-picture camera has to hold focus for an hour. Those are entirely different universes.
When I first started shooting with the H1, I was tempted to just set up my shot with a tripod, engage the autofocus and go. Since I was handling the lights, running the camera and oh by the way also directing the shoot all at the same time, the prospect of having one less thing to worry about was seductive.
I only had to make that mistake once.
The autofocus on the H1 may be very good for its class. It may be the world’s best motion-picture autofocus, for all I know. But it still sucks. It won’t hold focus on a moving subject. And I don’t meant race cars here; I mean a subject sitting in a chair, talking and nodding and, like, breathing and stuff. This setting is more of a challenge than the H1’s autofocus can handle.
Now, I don’t mean the H1 can’t basically hold focus. In a setting like that, it’s not like the picture goes entirely out of focus. It just drifts a little. Which on a standard-definition camera wouldn’t matter, because you’d never even see it. The resolution of the image is too low to notice little changes like that. But when shooting high-definition, even the just-barely high-definition 1440 × 1080 footage that comes off an HDV tape, tiny twitches in the focus ring are highly visible. So the whole image ends up looking soft.
Now, let’s be fair here. The footage I shot that day was technically usable. I wouldn’t have been happy with it if broadcast HD had been my destination format, but since I was distributing on standard-definition DVD, I could have gone with it. I ended up not using it for creative reasons, and boy was I pleased about that.
But I learned my lesson. Do not, under any circumstances, use the autofocus on the H1. It’s just not worth it.
The other problem the H1 has out of the box is that it tries to handle all the variables that affect your exposure for you. Most everybody knows about aperture and shutter already; the aperture is the size of the hole the light comes through, and the shutter is how long the light is allowed in. But on digital cinema cameras, there’s a third variable: gain. Gain is roughly equivalent to the ISO rating of the film in a film camera. It’s measured in decibels, and it describes how the circuits in the camera either amplify or attenuate the signal coming in. Basically, the higher your gain, the more sensitive your camera is to light.
The first shots I took on the H1 were grainy as hell, and it didn’t take long for me to find out why. The camera was automatically adjusting the grain as I rolled to try to keep my shots exposed.
Fortunately, turning that shit off was just a matter of twisting a knob away from the detent horrifyingly marked “A” for “automatic.” As in “automatically make my footage look terrible, please.”
The H1 has gain settings that go from -3db all the way up to it-doesn’t-matter, because you should never, ever go about +6db and frankly you’d have to threaten me with physical violence to get me above +3db. Higher gain settings mean more grain, and we’re not talking about artistically justifiable film grain here. We’re talking digital grain, pixel-sized specks of blue and green in the shadows that make you want to seal your eyes shut with gaffer tape.
Between -3db and +3db, I can’t really tell much of a difference in overall image quality. Grain is minimal, and not objectionable. At +3db you start to see the beginnings of objectionable noise in shadow areas if you go with the camera’s default settings, but for reasons I’ll get into shortly you shouldn’t be doing that, so that’s okay.
It was when I was messing with the gain settings and shooting tests to see what the limits were that I realized why my shots to date had been so flat, both in terms of color and in terms of depth-of-field. This camera is really sensitive to light. At a gain setting of 0db — meaning the camera neither amplifies nor attenuates the electrical signal coming from the sensor — we’re looking at an ISO equivalence about about 320. That’s comparable to shooting with 320-speed film. Moving the gain to +3db gives us an ISO equivalence of 400. And +6db? That’s equivalent to ISO 800.
For sake of comparison, though there may be one out there, I’ve never heard of a motion-picture film stock with an ISO equivalence of above about 500. That’s what you’d use to shoot on the surface of the sun.
So basically I’ve been overlighting the shit out of all my shots. I’ve been blasting so much light into the camera that I’ve had to stop down to f/4.0 or even smaller to get the right overall exposure, which means with a ⅓-inch sensor, my depth of field is measured in miles. Which, granted, makes the job of pulling focus easier, since everything between six and six thousand feet from the focal plane looks sharp. But it’s not very good for the ol’ creativity.
And on the subject of overlighting, I want to take a little side-trip here to talk about color balance. Color balance is one of those things that, I think, gets over-emphasized when doing a crash course on cinematography for people who just want to shoot their kids’ birthday parties. Yes, there are times when you want your shot to be white-balanced. But those times are less common than you might think.
We’ve gotta talk about film again for a second. This is a gross oversimplification, but in general, motion-picture film comes in two basic varieties: There’s daylight-balanced film, and tungsten-balanced film. If you light a neutral grey object with tungsten lights and shoot it with tungsten film, the grey object will look, well, grey. But if you shoot that same object with daylight film, the object will look really orange, as if the film had been tinted.
That might sound like a bad thing — you want your colors to look right, right? — but it’s more complex than it sounds. A common trick in cinematography is to light slightly warmer than the color balance of your film. If you’re shooting tungsten film and lighting with tungsten lights, maybe you’ll throw an orange gel over your key light to make the shot warmer.
Why would you want to do that? Why would you want to take a system that’s been set up to carefully balance all the colors in the shot and deliberately throw it out of whack?
Because balanced color is boring.
There’s also the fact that properly balanced color makes people’s faces look pretty blotchy. Check yourself out in the mirror sometime. Your face is not an even color. There are lighter areas and darker areas. Maybe the tip of your nose is a little redder than under your eyes, because it gets more sun. Maybe you’re a guy with a five-o’clock shadow. We’re not picture-perfect.
If you shoot people in a balanced setting — where your light is all one color, and your camera is calibrated to see that color as “white” — they’ll end up looking sickly and unattractive.
What does this have to do with the experience of shooting the XL H1? The little fucker is set, by default, to auto-white-balance. Which means it takes whatever light is coming in, says “Well, this must be neutral!” and goes with it.
And we just got through talking about how you rarely want your lighting to actually be neutral.
Well, fortunately the H1 also has an easy, readily accessible way to dial in your color balance manually. You can set the color temperature that you want to be neutral white by twisting a dial. If you’re shooting under tungsten lights, which have a color temperature of 3,200K, you might dial in a white balance temperature of 5,000K to make the shot look a little warm, to give it a little glow. If you’re shooting under sunlight, which has a color temperature of about 5,600K, you can ramp the white balance of the camera all the way up to 12,000K to get just the tone you want.
Oh, one more thing. So far, I’ve been talking about stuff that’s fairly easy to deal with: Turn the gain knob from “A” (shudder) to +0db or whatever you want to set your ISO equivalence. Turn the white-balance knob to “K” and dial in your desired balance temperature. You have to (a) know how to do this stuff and (b) be willing to screw with all the little settings every time you shoot, but in general, it’s not hard.
There’s one setting on the H1 that’s more difficult to change, but that’s just as vital if you want your shots to look good without color-correction. It has to do with the gamma curve.
Describing what gamma means is beyond the scope of this blog post — mostly because I only have a basic, intuitive understanding of it myself, and can’t explain it well. But basically it’s a matter of whether the camera is going to record an image that responds linearly to the light coming in, or whether it’s going to compress or expand one area or another of the tonal range.
The human eye is capable of discriminating between many more levels of brightness — what the nerds call “luminance” — than a camera is. If you take a picture in which the brightness curve is a straight line from pure black to pure white, that picture will end up looking really flat, because there’s so much less information there than what we can see with our eyes. In order to make the picture more visually pleasing, we make the picture look more contrasty by compressing the tonal range in the highlights and the shadows. This is often referred to as blowing out the whites and crushing the blacks.
Unfortunately, the H1 comes out of the box set to reproduce a fairly inoffensive luminance curve. As a result, until you get in there and screw with the presets, footage from the H1 will look very flat, and will need to have its contrast boosted in post. This isn’t optimal, because (a) who wants to take the time to color-correct every damn shot, and (b) stretching the contrast in post gives poorer results than getting good contrast in-camera anyway.
I don’t want to go into all the details of how to manipulate the H1’s custom presets here; a whole book could be written on that topic. But there are two settings that are relevant to this discussion: knee and black. The H1 lets you set the knee — “knee” here being a technical term that refers to the contrast in the highlights — to high, middle or low. Basically, don’t set it to low. Depending on your setup and what look you’re going for, setting the knee to either high or middle will give you a high-key image with nicely blown whites.
Black is easier; black should always be set to press. There is no reason why you should set black to stretch, unless you like washed-out, flat-looking footage.
Yes, there’s a conventional wisdom out there that you should set your luminance curve to be as flat as possible in-camera so you have as much exposure latitude as possible in post. If we were shooting 4:4:4 — or hell, even 4:2:2 — that might make sense. But this is HDV, man, and it’s 4:2:0, and looking for exposure latitude here is like looking for change in your couch to pay your mortgage. Yes, you might find a little if you’re lucky, but it won’t be as much as you need. Trying to capture a flat image in-camera and then boost the contrast in post will result in your running with footage that looks like shit because it’s too flat, or footage that looks like shit because it’s too grainy in the mids.
Anyway, when shooting HDV on the H1, blow out your whites and crush your blacks using the camera’s preset feature. You’ll be happier.
So the good news about the XL H1 is that it’s capable of capturing footage that rivals what you can get out of a digital cinema camera that costs more per day to rent than the H1 does to buy. The bad news is that out of the box, the H1 produces powerfully awful pictures. But the rebuttal witness for the good news points out that once you get the H1 away from all the factory-default settings, understand what all the settings do and take manual control of them each time you shoot, you can get strikingly awesome footage.
Here’s a still from some test footage I shot yesterday. This was under tungsten light from two desk lamps, but I had the color balance temperature in-camera set to 5,000K to make the images pleasantly warm. I was shooting with +3db gain for an ISO equivalence of 400, with the lens zoomed all the way in to a focal length of 108mm and the aperture wide open, giving me a depth of field measured in inches. The knee was set to middle to give me blown-out but not ridiculous highlights, and the black was, as always, set to press to really crush the shadows and draw out all the detail possible from the midtones. This was shot in 1080/24p, with a ¹⁄₄₈ shutter. I scaled the still down from 1920×1080, obviously.

Postscript
I got an email about managing white and black levels for broadcast-safe recording. First of all, yes, the still I posted here is taken straight from the raw footage in Final Cut Pro: recorded on the tape in HDV format, captured over Firewire, and exported as a still image. I didn’t do any post on it at all.
And yes, the dynamic range of this image is way outside the broadcast-safe limit. Broadcast-safe television images should never drop below an RGB black of 16, 16, 16, or blow up past an RGB white of 235, 235, 235. Or somewhere around there, depending on about a jillion factors.
But here’s the thing: Fuck broadcast-safe. Okay? If you absolutely have to clamp your footage to within broadcast-safe limits — say, for broadcast, for instance — then you can worry about broadcast-safe. Nest your sequence and throw on a broadcast-safe color-correction filter as your last step before output.
But before that, right up to that point, fuck broadcast-safe. Make your blacks black. Make your whites white. Make your footage look as good as it possibly can on your master timeline before worrying about mandated changes that depend on your output format.
Why? Because you never know. Maybe you’re shooting for broadcast, yes, but later you’ll want to do a film transfer for a cinema screening. Or maybe you’ll want to cut an Internet trailer; on the Internet, black is 0, 0, 0, not 16, 16, 16, and distributing broadcast-safe footage on the Web is a great way to make your show look muddy and flat.
Maybe this is crazy; maybe it’s even flat-out wrong. But in my head, there’s a high wall between the cinematographer and the engineer. The cinematographer is driven and passionate and wants to make the best show he possibly can. The engineer is the asshole who says “no” all the time. I don’t let these guys talk until the last possible minute, when they have to in order to finish the job.
But maybe that’s just me.