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This weekly course covers the most common questions videographers encounter when shooting and editing with DSLR cameras, from choosing a frame size and frame rate to understanding moiré. Authors Rich Harrington and Robbie Carman will also help you understand the impacts of compression and the difference between cropped (or micro 4/3rds) and full-sized sensors in cameras, and much more. This continual FAQ guide is a handy way to find the answers to the questions that plague you the most.
So we've launched LightTrac, which is an app for giving you an overhead view. And Rob, I went ahead and hit reset. >> Yep. >> It found our location using the GPS of our device. And where are we? >> It looks like we're right on home plate on this baseball field, Rich. >> Yep. >> Yep. >> It's pretty accurate. So, usually within a few feet, this is going to kick in. Now right now, we're getting this compass interference. >> Yep, yep. >> Probably because we've got all these electrical devices. So, you get to do the friendly iOS hippie dance. It's just like this, and you make the little symbol. Oh, and it went away. >> There you go. >> All right. So we can see this here, and it's telling us where the sun is.
Now that may sound silly but, you know, it's basically saying okay you're here. You line that up. Oh okay, the sun is right there. >> Right there. >> Well I want to know where it's going to be later today, and as I drag through, it lets me see where the sun is going to be at sunrise and sunset. >> Yep. >> And so you have the ability to see the sun or the moon. >> Yep. >> And that's going to make it really easy as you're working there. >> Now that's something that people don't think a lot about. They think about the sun all the time. >> Yeah. >> But the moon, especially if you are doing, you know, narrative stuff and you're going to be outside and using that available light from from the moon? >> Yeah.
>> It's actually a nice thing to have. >> And this is going to basically show us where our light sources are going to move through the day. So by being able to have this information, I can pinch and zoom in and reposition. >> Yup. >> It lets me know that the sun is pretty much going to start over there in the morning, and it's going to end up there in the evening. >> Yeah. You know what I really like about this particular app, Rich, is that it lets you if you're, especially if you're doing narrative work where you maybe have to do pickups or re-shoots over the course of a couple days, it lets you get a much better chance of getting the same type of lighting, the, the direction of the lighting for those re-shoots than just doing it kind of by guess work.
>> And besides being able to search for your current location. >> Right. >> You could actually just tap location and do a search? >> Right. So like if you wanted to type in Miami, for example, you could see what the sun's going on down there. It's actually funny, I didn't realize this until I don't know, a few years ago that, you know the sun, even if you're on the same straight line-. >> Yeah. >> Sun does different things. >> Well, and depending on how far north or south you are. Yeah, so. >> Yeah. >> The sun up here, we're in the suburbs of DC, versus down in Miami it's going to be in different positions. >> And by the way, that's because I didn't take science classes. >> Oh yeah, yeah. >> Yeah, sorry. >> It's, it's all good.
All right. Well, that's just one way of tracking a light. When we come back, we're going to take a look at a 3D view.
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