Join Ben Long for an in-depth discussion in this video Working with aperture in low light, part of Foundations of Photography: Night and Low Light.
There is, of course, a third exposure parameter, and that's aperture.…As you open the aperture in your lens, more light and pass through the lens to the…sensor during an exposure. Different lenses have different maximum apertures.…For example, one 50 mm lens might only be able to open to an aperture of f/3.5,…while another might be able to open all the way to f/1.2. Remember, the lower the…number, the wider the aperture.…With a wider aperture, you don't need as long of an exposure to capture a…given amount of light.…In other words, a lens with a really wide maximum aperture will let you keep…your shutter speeds faster when you're shooting in low light.…
Now the maximum aperture of a lens is referred to as the speed of a lens.…So a lens with a maximum aperture of f/2 is referred to as an f/2 lens, and…that's generally considered to be a very speedy lens.…Creating a lens with a wide maximum aperture requires a lot of glass,…so fast lenses are usually physically larger and therefore more expensive, and…
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
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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