Works fine for the tele lense. Note that the spacing of the grid is just 1 mm!
![montage-bahtinov.jpg](http://www.njnoordhoek.com/wordpress/wp-content/uploads/2009/03/montage-bahtinov.jpg)
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on Sunday, March 22nd, 2009 at 7:34 pm and is filed under astronomy.
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