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Color casts, missing detail, and composition
LIKE MOST CAMERAS, the iPhone Camera app can automatically set shutter, aperture and ISO to capture detail in a subject’s shadows, midtones, and highlights.
Most iPhones have an HDR mode that snaps three consecutive exposures which are automatically merged into a single shot that displays detail throughout the entire tonal range. You can also manually set an exposure by tapping on the sky to capture detail in the brighter areas and then fine–tune the exposure by dragging the sun icon downwards.
Despite your best efforts, a scene may still be over– or underexposed in certain areas and will require a bit of editing. We’ll look at how to tackle problem tones in the Fix Exposure Issues walkthrough on page 22.
The human eye sees true colors in a range of different lighting scenarios. However, to a digital camera daylight can look cold (blue) and indoor light can look warm (orange) due to differences in the color temperature of light. Digital cameras, such as your iPhone, perform an Auto White Balance (AWB) operation that cools down or warms up a shot to capture accurate colors. Check out our Adjust Colors walkthrough on page 23 to remove cold or warm color casts using the Photos app’s digital darkroom tools.
AUTO
Clicking the Light panel’s Auto button analyzes the tones and alters multiple sliders to create a more well–exposed image. Drag this bar left or right to fine–tune the auto results.
BRILLIANCE
This slider brightens underexposed darker areas while darkening overexposed lighter ones, revealing more detail in both the shadows and the highlights.
COLOR
Create more vibrant– looking colors by pushing Saturation right. You can also counteract warm or cold color casts with the Cast slider.
PORTRAIT
When working with Portrait mode pictures, click here to adjust the aperture setting used to capture the shot. This lets you make the background look more or less blurry.
CROP
Click here to access tools that enable you to create a more considered composition (see more below).