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DAVID-Laserscanner Forum • View topic - Feedback for $1k SLS rig?
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Feedback for $1k SLS rig?

Problems, solutions and discussion about scanning with a video projector and stripe patterns.

Feedback for $1k SLS rig?

Postby helix_3 » Thu Oct 08, 2015 6:06 pm

Hello everyone,

I'm excited to start building a rig for David 4 software. Before I start buying though, I'd like some feedback from other users on my current plan:

Projector: Acer K132 with the screw mod: ($300)
Camera: Logitech C920 ($60) mounted in this ($70) with this ($15) and a Tamron CS mount 5-50 mm ($40)
Mount: 3D printed mounts and this ($20) on a tripod I already own.
Software: David 4 ($500)

Do these parts seem appropriate?
helix_3
 
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Re: Feedback for $1k SLS rig?

Postby WalterMo » Thu Oct 08, 2015 7:47 pm

Hello,

Most of the components which you have chosen are ok.
But I wouldn't buy the Tamron zoom lens. Better suited is, in my mind, a good 12mm lens.
A focal length of 12mm fits well with the projector lens and its aperture angle. By the way: The DAVID cam comes also with a 12mm lens.
A zoom with a range of 5-50mm for such a low price will produce a lot of distortion. Such lenses are used for observation cameras where distortion doesn't matter. And how to control the auto DC iris?

E.g. this would be a good choice for your purpose:
http://www.bhphotovideo.com/c/product/8 ... _Lens.html

It's a C mount lens and therefore you have to adapt it 5mm more „outside“ by means of an adapter ring:
http://www.bhphotovideo.com/c/product/1 ... mount.html

Walter
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Re: Feedback for $1k SLS rig?

Postby helix_3 » Thu Oct 08, 2015 8:36 pm

helix_3
 
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Re: Feedback for $1k SLS rig?

Postby WalterMo » Thu Oct 08, 2015 8:45 pm

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Re: Feedback for $1k SLS rig?

Postby helix_3 » Thu Oct 08, 2015 9:13 pm

helix_3
 
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Re: Feedback for $1k SLS rig?

Postby WalterMo » Fri Oct 09, 2015 8:48 am

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