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<blockquote data-quote="WayneF" data-source="post: 154272" data-attributes="member: 12496">ISO 400 is extremely ample for a bright sunny day with clear blue sky.&nbsp; ISO 100 will work fine.&nbsp; Even less can work fine.&nbsp;&nbsp; Early Kodachrome film was speed 10.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />Sunny 16 says at ISO 400, this bright sun would be f/16 at 1/400 second (or equivalents, which are even faster shutter speeds).&nbsp; It is very difficult to imagine this is not sufficient ISO.But...&nbsp; the light meter is not always correct. Or rather, our use is not always correct.If you point it mostly at bright sky, then shady foreground objects will be dark (underexposed). &nbsp;If you point it mostly at dark shady scenes, then the bright sky will be overexposed.There is a little skill involved with aiming it.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />It would help much to see one of these problem photos, posted here, along with info about aperture, shutter, ISO, exposure mode, and metering mode.&nbsp; This exact information is recorded in the Exif data in every image.&nbsp; I think hosting the image at this site strips it out, so you will need to tell us.</blockquote>

[QUOTE="WayneF, post: 154272, member: 12496"] ISO 400 is extremely ample for a bright sunny day with clear blue sky. ISO 100 will work fine. Even less can work fine. Early Kodachrome film was speed 10. :) Sunny 16 says at ISO 400, this bright sun would be f/16 at 1/400 second (or equivalents, which are even faster shutter speeds). It is very difficult to imagine this is not sufficient ISO. But... the light meter is not always correct. Or rather, our use is not always correct. If you point it mostly at bright sky, then shady foreground objects will be dark (underexposed). If you point it mostly at dark shady scenes, then the bright sky will be overexposed. There is a little skill involved with aiming it. :) It would help much to see one of these problem photos, posted here, along with info about aperture, shutter, ISO, exposure mode, and metering mode. This exact information is recorded in the Exif data in every image. I think hosting the image at this site strips it out, so you will need to tell us. [/QUOTE]

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