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Wide angle vignetting

nrothschild

US
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"RE: Wide angle vignetting"

nrothschild Neil is an expert in several areas, including camera support Registered since 25th Jul 2004
Wed 07-Nov-12 07:02 PM

Hi Will,

For heathens like you, the Capture NX2 slider will go negative to add vignetting

And thinking about it some more, if you really like vignetting maybe you should have kept those DX lenses ?

(and yes I recall our recent discussion of adding in verses taking out )

Isn't it funny how vignetting can cut both ways?

I blame you, by the way, for that lens. All that FX discussion got the NAS going again and this time I could not resist (because it made so much sense).

>> The D600 has in camera vignetting correction, though I prefer the idea of doing any of this in PP, and presumably with CNX2 this works very smoothly and can be automatically matched to the lens and aperture being used?

My D700 also has a built-in vignette control, with Off, low, normal and high options. I assume these options are passed to CNX2 for raw processing because the CNX2 slider is set to some value by default (I've shot normal and high options). I've never played with it to see how the camera settings affect the values for any given lens or if the values change by focal length in the case of a zoom that often has more vignetting at one end than the other.

I also assume that CNX2 is looking at the lens data to determine how much reverse vignetting to add, but it is always too little and as I mentioned, for more severe cases does not completely remove it even when slid to the max. So I don't really understand what they are doing and why.

_________________________________
Neil


my Nikonians gallery.

This is a hot, active topic! Wide angle vignetting [View all] , Speedybee , Sun 04-Nov-12 07:33 AM
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