If you know the type of the lantern follow the recommendations below:-
Z0050/Z0052 Lamp T11 or T19 1000w Our Ref Y0020
Starlette fresnel /pebble Lamp T29 1200w Our Ref Y0015
Z0080/82 2kw Lamp CP42/43/72/79 Our Ref Y0021
Z00TWW/Z00TX/Z00TY Lamp T11 or T19 1000w Our Ref Y0020
Silhouette 1Kw Turbo Lamp T29 1200w Our Ref Y0015
Z00DW/DX/DY/DS Lamp CP91 2500w Our Ref Y0025
Silhouette2.5Kw Lamp CP 91 2000w Our Ref Y0026
Z0611/602/602P/603P Lamp T26 or T27 650w Our Ref Y0018
Minuette Profiles Lamp T18 or T25 500w Our Ref Y0016
Z0642/644/608P/608FS Lamps T26 or T27 650w Our Ref Y0018
Minuette Fresnel Lamps T18 or T25 500w Our Ref Y0016
Pebble & Follow spots
Z0C46/8/9 Lamps K1 500w Our Ref Y0046
Minuette Floods Lamps K11 200w Our Ref Y0045
Lamps K9 300w Our Ref Y0044
Z0S46 Lamps K1 500w Our Ref Y0046
Minuette Floods Lamps K11 200w Our Ref Y0045
Lamps K9 300w Our Ref Y0044
Z00G0/M0 Lamps GKV 600w Our Ref Y0060
Z0054/Z0056 Fresnel /Pebble
Freedom Range HX600 600w Our Ref Y0060
HX800 800w Our Ref Y0064
If you only have the old bulb but can not read the type try identifying it from the drawings below
Fig 1 HX600 115v Fig 2 HX600 230v GKV 600w 230v HX800 230v
Fig 3 T18 or T25
500w T26 - T27 - CP89 650w GY
9.5 Base
Fig 4 CP24 or T11 1000w Fig 5 25mm Dia T12 or CP23 650w Fig 5 35mm Dia T19 CP70 1000w
Fig 6 T29 or CP90 1200w
Fig 7 CP43 or CP79 2000w Fig 8 21 dia 120v EGN 500w Fig 8 25 dia CP39 650w
Fig 9 22 dia 120v 1000w CP39 Fig 9 26 dia 1000w CP 40 Fig 9 35 dia 1200w CP 93
Fig 10 CP 92 2000w or CP 91 2500w