nodal point  

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nodal point

by alvareznavalon » Mon Feb 13, 2012 7:42 pm

How set the nodal Point accurately?

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by mediavets » Mon Feb 13, 2012 8:18 pm

alvareznavalon wrote:How set the nodal Point accurately?

Which camera and lens do you have?
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Many different Nodal Ninja and Agnos pano heads. Merlin/Panogear mount with Papywizard on Nokia Internet tablets.
Nikon D5100 and D40, Sigma 8mm f3.5 FE, Nikon 10.5mm FE, 35mm, 50mm, 18-55mm, 70-210mm. Promote control.

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by tived » Tue Feb 14, 2012 7:08 am

search "the grid" online


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by AlexandreJ » Tue Feb 14, 2012 8:40 am

Spam robot or not :) Let's ask the question and see the result ?

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by claudevh » Tue Feb 14, 2012 10:06 am

Here is "The Grid" method:

The "original method"

The "modified method:
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by Demouche » Tue Feb 14, 2012 10:27 am

for verification you can see this post

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by a a gruntpuddock » Tue Mar 06, 2012 12:36 pm

I used a simpler method from the comfort of my armchair.

Put a steel T bracket on the end of a bit of 25 x 25 mm pine and drilled the central hole out for a camera screw.

I then mounted the assembly onto the tribrach and tripod from a laser level kit.

The window in my living room has a single central divider so I pointed the camera at that with the zoom set to wide angle.

The camera was slid backwards and forwards until the background remained stationary relative to the window divider when the tribrach was rotated.

I then marked the wooden strip to record the position and wrote on the focal length.

Repeat every 50 mm until full zoom is reached.

I then had a simple mount for single-row panos which I could set to suit the required focal length.

The screws on the tribrach enable me to set the axis of rotation to vertical with a good degree of accuracy.

For panos sightly above or below the horizontal plane the wooden strip can be canted up or down before clamping.

Don't have a photo of the actual setup but it looked like this (a later version with a stiffer mount)

Last edited by a a gruntpuddock on Tue Mar 06, 2012 12:45 pm, edited 1 time in total.
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