I receive email update of tog techneques etc from a great site called 'Digital Photography School' and thought this one was really boring....... but really useful once into it.
go to this link to see
http://www.digital-photography-school.com/reversing-the-inverse-square-law
What!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!you a having a laugh
ReplyDeleteyes, very useful.
ReplyDeleteInverse square law applies to Xrays too which is why you find radiographers standing furthest away from the source of the beam, with the thickest lead coat on and as many nurses and doctors in the way as possible.