Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: I ' m glad I did because this place was really dark . Most of the pictures were near 30 second exposures . I shot on aperture priority at f/8 so it had a bigger depth of field . The typical f/2.8 was not working for me .

Question: Why did the photographer have to use special equipment for the shoot ?
The photographer was subjected to a lack of light .
Due to low light conditions, the photographer used longer exposures and a larger aperture (f/8) for a deeper depth of field.