Thats good. It's kind of hard to explain exactly but when you do get it life is so much easier. You'll need that lens when you get to MF cameras. Check out the oher adjuster right on the light head that is adjustable for different format. All the way up is for the 35 mm film. Slide the bellows all the way down to remove your condensor by sliding it forward. Make sure the glass is clean. That is one of the problems that some people have. They get that way from just being in a dustly location that yours probably has been.