03-24-2016, 03:13 PM
This lens simply focuses the beam.
So you need to 1) make sure the dial is in focus of the lens, 2) the light bulb's filament oriented such that it creates a vertical most narrow line. If you need to adjust something - do it. Just do not break the glass rod.
So you need to 1) make sure the dial is in focus of the lens, 2) the light bulb's filament oriented such that it creates a vertical most narrow line. If you need to adjust something - do it. Just do not break the glass rod.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.