Use a roller suitable for painting large surfaces. Therefore, for the ceiling it just fit. For convenience in the dyeing process, you can use a special mini-tray for the cushion, which is a flat receptacle having two steps and low sides. The roller with paint is rolled on the first step, and the second leaves excess paint. You can, of course, to make a small plastic or tin pan to drip the paint with a roller, but you can do one tray.
Experienced painters know some of the tricks that they are willing to share with you. To paint the ceiling the best two times in perpendicular directions. This is necessary in order to paint properly restorefiles. Then your ceiling will be no "bald patches". Some professionals suggest to paint the ceiling three times, although here it is necessary to look at the situation. If the paint is good, twice will be sufficient. If you can save the paint, you should not spend. Don't forget to wait a certain time, which must be specified in the instructions for use of this type of paint.
Some people wonder about the wide roller is best to paint the ceiling or narrow, what should be the cushion pile and so on. There is no single answer. In some cases, the selection of roller depends on the material from which made the ceiling. Someone chooses a cushion, personal preferences. But one thing is for sure: a wide roller will help you quicker to handle the work and save the paint, a roller with fine pile applies the paint more evenly than a cushion with medium and long pile.
Also pay attention to the materials from which the rollers run. It can be synthetic fiber and the pile or natural. But that's another story.