Very good to hear. I'd love to see some samples, if you have the time, feel
free to send them directly to me if you'd like.
Darin
Moose wrote:
>
> The good news is that the Kiron 1.5x Match Mate hardly vignettes at all
> with the Sigma 600/8. With a very bright or overexposed subject, there
> is a tiny amount of vignetting in the very far corners. It is not the
> gradual type, but almost sharp edged, so it doesn't affect the rest of
> the image at all. Easy to clone or crop out. All this on the FF sensor
> 5D, so it should apply to OMs
>
> I didn't notice it on a properly exposed shot of my test subject, but
> only as a result of a quite overexposed shot resulting from the
> interaction of the MF mirror lens with 5D metering before I corrected
> for it.
>
> I didn't get around to this until the light was fading, and precise
> focus with the tiny DOF is touchy, so I don't want to post shots that
> may not convey the best sharpness possible. I may get more samples to
> post using careful technique for more than vignetting.
>
> Moose
>
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