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Message: <blockquote data-quote="henry link" data-source="post: 3766658" data-attributes="member: 6806">Patudo,Keep in mind that a bright sun near the field edge is not necessarily the best target if your goal is to detect veiling glare. Darker conditions are better since they allow your pupil to dilate large enough to accept internal reflections near the exit pupil edge. Looking at dark areas beneath an open sky is better, especially on a cloudy day or at twilight.Henry</blockquote>