Quote Originally Posted by MikeK
I have this exact lens in a No. 3 Acme Synchor shutter. It is a cracker of a lens and yes it does cover 5x7.

Mike
I also had this lens, but only used it for 4x5. Mine was an earlier version, that was very very sharp. I sold it on ebay -- I didn't use it much -- and have regreted it ever since. I got around 270.00usd for it, yet I think it was as sharp a modern lens.

Some links of interest:
http://www.largeformatphotography.in...c-experts.html
http://www.hevanet.com/cperez/cameras/ektar_list.html
http://www.largeformatphotography.info/lenses5x7.html