Sach can be used as an adjective, yes. Basically, Sach means to expand. If a person works on a book, or a device, and improves it, makes it better than before, then they SachmoH the thing. The result is, as an example, a paq Sach an "expanded book". (qepHom 2018 video interview)

jo' is used for "zoom in on" (the object is the image). jo'Ha' is "zoom out" (applied to something that was previously zoomed in on). In context, Sach "expand, be amplified, be increased in scope" can be used for "be magnified." (qep'a' 2021)