Wednesday, 26 March 2014

The Moon

This shot of the moon was taken handheld with a borrowed lens (Canon EF 300mm f/4L IS USM) using the "Looney 11 rule" in March 2014. This rule, which is similar to the "Sunny 16 rule" for sunny days, is a rule for estimating the required exposure for a moon that is full or near to full. It states that at f/11, the required shutter speed is equal to 1/ISO. As this shot was handheld I wanted 1/400 second shutter speed to compensate for any movement due to the focal length, so I chose ISO 400. The resulting shot was then cropped to produce the image seen here.

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