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<blockquote data-quote="WayneF" data-source="post: 201586" data-attributes="member: 12496">You probably cannot use f/1.8 in sunlight with flash.&nbsp;&nbsp; Sunny 16 says full bright sun is f/16 at 1/100 second at ISO 100.&nbsp;&nbsp; Or f/11 at 1/200.&nbsp; But you cannot use f/8 at 1/400&nbsp; second due to maximum shutter sync speed being limited at 1/200 second.&nbsp;&nbsp; F/1.8 at 1/200 second would not be acceptable in bright sun.Auto FP is the way around that, but both camera model and flash have to offer FP mode.&nbsp;&nbsp; D7000 does (menu E1), allowing at least to 1/4000 second (which might allow f/3 in bright sun), but the Yongnuo flash probably does not provide&nbsp; this feature.&nbsp; &nbsp;&nbsp; A Nikon SB-700 would do it.&nbsp; But then the flash power and range in this special mode is limited, the subject cannot be too far with FP flash mode.&nbsp; See <a href="http://www.scantips.com/lights/flashbasics2b.html" target="_blank">http://www.scantips.com/lights/flashbasics2b.html</a> for more about FP flash.As to fill flash, anytime the TTL flash result is not precisely what you want it to be, just use Flash Compensation to tweak it in.&nbsp;&nbsp; Flash Compensation is how we control TTL flash.</blockquote>

[QUOTE="WayneF, post: 201586, member: 12496"] You probably cannot use f/1.8 in sunlight with flash. Sunny 16 says full bright sun is f/16 at 1/100 second at ISO 100. Or f/11 at 1/200. But you cannot use f/8 at 1/400 second due to maximum shutter sync speed being limited at 1/200 second. F/1.8 at 1/200 second would not be acceptable in bright sun. Auto FP is the way around that, but both camera model and flash have to offer FP mode. D7000 does (menu E1), allowing at least to 1/4000 second (which might allow f/3 in bright sun), but the Yongnuo flash probably does not provide this feature. A Nikon SB-700 would do it. But then the flash power and range in this special mode is limited, the subject cannot be too far with FP flash mode. See [URL]http://www.scantips.com/lights/flashbasics2b.html[/URL] for more about FP flash. As to fill flash, anytime the TTL flash result is not precisely what you want it to be, just use Flash Compensation to tweak it in. Flash Compensation is how we control TTL flash. [/QUOTE]

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