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looks good ... but how did he draw the yellow cross hairs?
you can use another DC. Many DC has framing aid such as grid or center square for AF point.
I think you can use a mirror as well. You stand behind the pano head and camera. You stand still and look into the mirror. You can mark the mirror image of NPP on the mirror. It should not move when you rotate the pano head.
Nick, Not quite right. In the case of a fisheye lens, the entrance pupil may well move as you rotate the pano head. The important point is that the EP should be located in the same position for the seam angles used in a panorama shoot, e.g. +45 and -45 degrees to the lens axis for a 4-around setup (90 degree yaw increment). Any movement between these two positions is not important. It's hard to keep your head sufficiently steady when checking the position of the EP. Hence the suggestion of using a simple sighting device made in my original article.
Any movement between these two positions is not important. It's hard to keep your head sufficiently steady when checking the position of the EP. Hence the suggestion of using a simple sighting device made in my original article.
Oh yes, this method is similar to your method. I like the idea of using a DC as sighting device since many people have more than one digital cameras now.
...which brings to mind an idea I have for your NN's -- in one of the pictures, there is a
yellow disk with a crosshair. Put a similar cross hair on the locking knob.
Also, on my NN, the locking screw sits slightly off center. If I take it
out and sight into the locking screw hole to the top of the pivot,
the alignment is easier and more accurate. I line up the crosshair on my
LCD with the center of the pivot ---