Black Swallowtail (Papilio polyxenes)

Several Black Swallowtail butterflies (Papilio polyxenes) were spotted on 30 August 20017 during a photowalk along Deephole Point Road at Occoquan Bay National Wildlife Refuge, Prince William County, Virginia USA.

The following individual is a male. All of the Black Swallowtails that I observed seemed to be quite skittish, including this guy. He flew away every time I approached him slowly. I noticed that he returned to nearly the same spot after a lot of fluttering around, so I moved to a position from which I could shoot his photo without moving.

108mm (600mm, 35mm equivalent) | ISO 100 | f/8 | 1/800s | -3 ev

Exposure Compensation

Exposure compensation is your friend when shooting high-contrast subjects like this Black Swallowtail. It is usually possible to pull detail from underexposed shadows. On the other hand, detail is lost when the highlights are “blown out.” What’s the solution? Expose for the shadows and use exposure compensation to capture detail in the highlights.

Related Resource: The exposure triangle and exposure compensation

Copyright © 2017 Walter Sanford. All rights reserved.

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One Response to “Black Swallowtail (Papilio polyxenes)”

  1. Top 10 Photos of 2017 | walter sanford's photoblog Says:

    […] 30 AUG 2017 | Occoquan Bay NWR | Black Swallowtail (male) […]

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