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3. When taking a photograph with both close and
distant subjects in the same frame, selecting
an aperture for the distant subject may cause
overexposure of the closer subject (washed-out
appearance) due to excessive illumination.
4. Do not use a lens hood. The RTF's discharge may be
cut off. This may also happen in the photography
within the distance of 1 m when a 35mm wide-angle
lens is mounted.
5. To prevent "red-eye effect";
The so-called "red-eye effect" is a phenomenon in
which the flash illumination reflects off the retina
because the pupil opens up in darkness. It is
impossible to prevent it but it can be minimized by
lighting up the location (to close down the subject's
pupils) or, in case of a zoom lens, by moving
closer to the subject using a wide-angle setting.
6. In the daylight flash-sync photography, over
exposure may occur when a subject's environment
is too bright.
27*
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