One advantage of fluorescent bulbs is that they last very long and therefore are cost efficient. The brightness of a light bulb is measured in lumen, which in this case is 4 900 lumen.
Conrad Electronic
OSRAM Fluorescent tube EEC: G (A - G) G13 58 W Cool white Tube shape (Ø x L) 25.5 mm x 1514.2 mm 1 pc(s)