Lens align distance calculators

flickr FACEBOOK Canon EOS 5D mark II, Canon EOS 7D,Lens: Canon 24-70 mm 2.8 L, 85 mm 1.8, 50 mm 1.8 Canon 70-200 mm 2.8 [COLOR=Red]L IS[COLOR=Black], Tokina 11-16mm 2.8 , 16-35mm 2.8LII-Flash: Canon 430 EX, 580 EX II, Extender EF 2X II, and much more stuff.
In his own words, "I don't photographer the world as it is. I photographer the world as I would like it to be." Monte Zucker.

IslandCrow wrote in post #10154640
Thanks for the link. Canon recommends 50x the focal length of the lens (I'm not sure if this changes for full vs. cropped sensors), so a 50mm lens should be 2500mm (or 2.5 meters) away from the object you're focusing on. It seems like this calculator comes up with about half the distance, but I certainly couldn't say which is better to use.

Thank for you comment, I think that it make a great job, Chuck Westfall had been spoked about it and he say that it hardware do a great job.

flickr FACEBOOK Canon EOS 5D mark II, Canon EOS 7D,Lens: Canon 24-70 mm 2.8 L, 85 mm 1.8, 50 mm 1.8 Canon 70-200 mm 2.8 [COLOR=Red]L IS[COLOR=Black], Tokina 11-16mm 2.8 , 16-35mm 2.8LII-Flash: Canon 430 EX, 580 EX II, Extender EF 2X II, and much more stuff.
In his own words, "I don't photographer the world as it is. I photographer the world as I would like it to be." Monte Zucker.