Join Ben Long for an in-depth discussion in this video Working with ISO in low light, part of Photography Foundations: Night and Low Light.
At the beginning of this chapter, we explored a technical definition of ISO and…saw what happens inside your camera when you increase your ISO setting.…Let's look now at some practical ISO concerns.…When you meter, your camera measures the light in your scene and then…calculate the shutter speed and aperture combination that should yield an image…with good overall brightness.…But then shows you these parameters in its viewfinder, once it's got them all locked in.…At that point, you must take note of shutter speed and assess whether it's fast…enough to handle motion, the way that you want, as well as being fast enough to…prevent camera shake.…
If shutter speed is too low then your best option is to raise the ISO on your camera.…Now, doubling the ISO setting will result in your shutter speed being cut in…half, that is, if you increase ISO by one stop, then your shutter speed will…decrease by one stop.…It should be fairly intuitive. If the sensor is twice as sensitive to light, it…can gather twice as much in the same amount of time.…
Ben also shows how to obtain accurate color balance in tungsten and fluorescent lighting situations, and how to postprocess the images in Photoshop to remove noise caused by higher ISO settings. He also demonstrates accessories that can greatly expand your low-light photography options.
- Understanding how low light affects exposure, shutter speed, color temperature, and more
- Preparing for a low-light shoot
- Shooting in dimly lit rooms
- Using the flash indoors
- Shooting in the shade
- Taking flash portraits at night
- Controlling flash color temperature
- Focusing in low light
- Light painting
- Manipulating long shutter speeds
- Correcting white balance
- Brightening shadows
- Sharpening and noise reduction
Skill Level Intermediate
Photography Foundations: Compositionwith Ben Long5h 29m Intermediate
Photography Foundations: Black and Whitewith Ben Long3h 3m Intermediate
1. Setting the Stage
2. Exposure Considerations
3. Scenario: A Dinner Party
4. Scenario: A Performance
5. Scenario: In a City
6. Scenario: Landscapes
7. Special Effects
8. Post-Processing Considerations
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