From the course: DSLR Video Tips: Cameras & Lenses
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Why does my exposure change with a zoom lens?
From the course: DSLR Video Tips: Cameras & Lenses
Why does my exposure change with a zoom lens?
Robbie Carman: Hi there, I am Robbie Carman. Rich Harrington: And I am Richard Harrington. Robbie: And Rich, this week we are going to talk about something that we get asked about a lot and that is, why when I zoom in on something does my exposure seem to change? Rich: Gremlins. Robbie: Yeah, that must be what it is, must be what it is, bring the camera back. Rich: Yeah, actually people have returned their cameras over this, like it doesn't work, I zoom in and the shot changes. Remember, when we are shooting video, we are typically shooting manually, and we are balancing out that exposure triangle, which we have talked about before. I am going to review here in just a second, but what can happen is, is as you zoom the lens to change your composition, you can visibly notice the shot getting lighter or darker. Robbie: Yeah, that's right, and that's because not all lenses are created equal. Typically, when you buy a very expensive lens, like a prime lens or a high-end zoom, you are going…
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