Join Joseph "PhotoJoseph" Linaschke for an in-depth discussion in this video Depth-of-field preview, part of Photography 101 (2012).
Depth of field is defined as how much is in focus, the depth of what's in focus …from the singular plane of focus. So, for example, let's say you're …shooting this direction and you're focused right here. …You have a shallow depth of field, just a little bit is in focus. …If you have a deeper or larger depth of field than more is going to be in focus. …But here's the thing. How do you know, looking through the …camera, how much is actually in focus. As you're changing your aperture, which …is what's going to affect your depth of field, how do you really know what you're …looking at? Well all DSLRs have something called a …depth of field preview button. And what happens when you push that …button is the aperture physically stops down inside of the lens restricting the …amount of light, but also changing the depth of field.…
Now, when it does that, it does make it harder to see things, because if the …aperture goes down to a really really small hole, not as much light's coming …in, and therefore it's, you know kind of harder to see what's in there. …
- Carry and hold that DSLR like a pro
- Stabilizing the camera: from hands to water glasses to tripods
- Using aperture, shutter speed, and ISO
- What the buttons do
- Manually controlling your autofocus
- Working with flash
- Thinking creatively
- Buying new gear
Skill Level Beginner
Photography 101: Shooting in Low Lightwith Joseph "PhotoJoseph" Linaschke56m 11s Appropriate for all
Photography 101: Shooting Macros and Close-Upswith Joseph "PhotoJoseph" Linaschke1h 14m Appropriate for all
1. Carry and Hold That DSLR Like a Pro
2. Stabilizing the Camera: From Hands to Water Glasses to Tripods
3. P Is Not for Perfect
4. Settings in the Real World
5. Pushing Your Buttons
6. Manually Controlling Your Autofocus
7. Flash Lights
8. Upgrading Your Light
9. Changing Your Point of View
10. Buying New Gear
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