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Re: Nodal point with a fisheye?

On Thursday, August 30, 2001, at 09:29 AD, Gianni Maselli wrote:

Il giorno 30-08-2001 22:41, Ted Oliverio, email@hidden ha scritto:

That said, the further from your camera the subject matter, the more you
can "fudge" the nodal point. Hand-held landscapes (where the nodal
point moves by several feet during the shooting) can give more than
satisfactory results. 

Ted,

This is true only in case of cylindrical panos.
Covering the 180 degrees vertical field of view of the cube means *always*
include the floor under your feet. And this is *always* very close and very
difficult to perfectly stitch.

Gianni Maselli


Well, that's a personal preference, of course. Yes, you're right that the floor is *nearly*always* very close (c'mon, I bet you can think of cubics where the floor is > 50' away ;) -- and you're right that you need a good nodal point for that. But also, a lot of people find the floor to be a pretty boring part of the picture, not to mention difficult to shoot (that danged tripod!), so many folks use that face to stick logos, copyright stuff, cartoons, pictures of their kids, or whatever.

But, yeah, if some part of your pano, cubic or otherwise, is going to be close-up, then you need a good nodal point.

Heh -- full cubic hanging from a wire below the scorboard at the Shark's Arena might be cool... anyone wanna shot that? :)

Thanks,
Ted



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