Leica User Forum - View Single Post - Will IR cut filters AND coding be necessary on longer lenses?

mike prevette · 11/23/06, 08:49 PM

Just reread your Q. Yes the IR is an issue for all lenses, but the cyan corners will only affect lenses with a entry pupel incedence angle of 33 degrees. 28mm or wider.

11/23/06, 08:49 PM	#5 (permalink)
mike prevette Erfahrener Benutzer Join Date: 10/15/06 Location: Seattle Posts: 320	Re: Will IR cut filters AND coding be necessary on longer lenses? Just reread your Q. Yes the IR is an issue for all lenses, but the cyan corners will only affect lenses with a entry pupel incedence angle of 33 degrees. 28mm or wider.