Introduced in December 1959 (ref. Tabs 17/3)

Patt.243BP Fresnel Spot
2000W CP/41 Halogen lamp. G38 base
Lead-screw focus. 250mm diameter lens.
16 degree / 50 degree variable spread
430mm length. 14kg

FROM OCTOBER 1976 Data Sheet

20 13 203

Beam Quality
High power, high efficiency soft-edged circular beam, spread variable between wide limits. The soft edges of the beam, which is free of filament striation, can be contained by the addition of a four-door rotatable barndoor attachment.

Applications
High intensity highlighting, or back-lighting, without any discernable edges to the pool of light, or as a dominant source to represent sunlight.

Beam Spread, soft-edged
tenth peak angle - 16° spot to 50° flood
½ peak angle - 10° spot to 40° flood

Specification

Lamphouse
Deep drawn pressed steel, with bottom-hinged lens front.

Fork
Mild steel, reversible, with friction disc tilt clamp and bolt, washer, and wingnut for suspension and swivel clamp.

Lens
250mm diameter short focus Fresnel, recessed mounted.

Lampholder
G.38 Bipost with lever-lock, fitted with 1m external length of 3-conductor, sheathed, heat-resisting cable secured by a strain-relief gland.

Reflector
190mm diameter spherical, polished anodised aluminium

Adjustment
Lead-screw focus of lampholder together with reflector from heat-resisting knobs at front and rear.

Colour Frame
Double die-cast runners fitted, one 300mm square metal colour frame for "Cinemoid" supplied.

Finish
High temperature stoved, dark texture green, except black fork.

Lamps
2000W max. G.38 base. 127mm l.c.l. Class CP/41 Halogen recommended for stage use.

Accessories
Four-door rotatable barndoor, 23 133 08
Additional metal colour frame, 26 061 0T
1 and 1/8" diameter hollow TV spigot, 26 593 09