photogwannabe
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- Paul
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He's saying there is no exposure benefit between the d700 at f1.8 1/8000 ISO 200 and the d750 at f1.8 1/4000 ISO100. They give the same exposure, the one stop faster shutter speed 1/8000 is lost by the one stop slower base ISO of ISO200 on the D700, whilst the D750 although it has a one stop slower shutter speed it gains one stop with iso100. Having the faster 1/8000 shutter is only useful if you can match it with a lower base ISO like the d800 (iso100) or d810 (iso64). Of course if a 1/8000 shutter speed may be needed to freeze action, though 1/4000 isn't that slow either and flash can be used to freeze the subject. Like others have said ND filters can always be used on really bright days if a wide open aperture at 1/4000 ISO100 is over exposing.
Ah! Gotcha.

Amelia walk
Amelia walk
Tonights moon




