U Black hair shape

This is the result of a small hair being on the actual film surface when this shot was taken (or on a slide scanned into the computer; see Figure 48.20).

Fault prevention: Check the cleanliness of the space between lens and film plane in the (empty) camera. With an SLR, lock the shutter open on 'B' to access this area. Clean slides before scanning.

Figure 48.20 Black hair shape.
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