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Originally Posted by Vern Dias /forum/post/0
Yes, Horizontal Expansion lenses shorten it, Vertical Compression lenses extend it. Make sure that the Runco you choose uses a HE, rather than a VC lens.
Why should I make sure it uses a HE?
I cant get a big enough screen with the Runco RS1100 cine-wide in my theatre because of the throw distance alteration with the runco cine-wide lens.