In addition to the two older Lekos I purchased a newer model which is long and black. The benefit of this one is that you can use the various levers to change the distance at which the light focuses.
To change the bulb remove the aluminum end cap which actually doubles as the socket for the bulb.
One last word on bulbs for all of the lights, never ever touch them with your bare hands. Your hands have oils on them which will damage the quartz surface of the bulbs causing them to turn brown and eventually burn out.