Here is what I have.

Canon 40D
Sigma 8mm Fisheye Lens
Gitzo Carbon Tripod

I want to take 4 shot panos mostly for Real Estate jobs. Why would I want the Ninja 5 over the 3 if I am only looking to do 4 shot panos?

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While I have you here what are you guys doing to set your white balance?

What are people finding really works for them?

Warm Cards like these - www.vortexmedia.com/

Digital Calibration Targets - http://www.photovisionvideo.com/stor...egory_Code=DCT

Expodisc
http://www.expoimaging.net/product-o...words=ExpoDisc

Plain Piece of White Paper