Hi Joe.
Your critique is freely accepted. I am more than happy to accede to others with much wider knowledge than me. The reason I said that it would have the widest fov is that on my Plossl the eyepiece id is 47mm and the field stop is over 43mm id, over 90% of possible available fov. Not the widest possible, but substantial all the same. All the other info you supply is well outside my expertise. Thanks for your enlightenment
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