It's called 'Prince of Darkness' by John Carpenter.
is this the Mirror B. in Colesseum or Gale of Darkness?
You are speaking of John Carpenter's 1987 film "The Prince of Darkness".
"Losing My Religion," by REM.
A mirror that you can see through just slightly
A mirror that you can see through from one side.
I don't know of any movies that have a scene like that which takes place in an attic, but try the movie "Prince of Darkness" directed by John Carpenter. There is a scene where a lady possessed by a demon is trying to pull Satan through a glowing mirror. Sounds like it could be it.
a lens you can see through and a mirror reflects
The duration of Thru the Mirror is 480.0 seconds.
The image you see in a mirror is just a reflection of light from whatever you see in it. The "evil side is in the mirror" makes a good plot link, though (e.g. Prince of Persia, Army of Darkness).
Focal point of which mirror? Because convex mirror would have a virtual focus which is assumed to be at the back of the mirror.
Through the Mirror - 2009 was released on: USA: 11 August 2009
it depends what sort of mirror if you tell me what kind of mirror ill go step by step through with you!