ETC 42550

Overview

42550 Source Four 25-50 Zoom, Black

Specifications

PHYSICAL

• Rugged, die cast and extruded aluminium construction
• patented one-handed focus mechanism with positive lock
• Rotating shutter assembly 25
• 20 gauge stainless steel shutters in a tri-plane assembly
• Lens tube door provides easy access for lens cleaning
• Scale markings for field angle and focus settings
• thermally insulated rear handle
• High impact, thermally insulated knobs and shutter handles
• integral die cast color frame holder with two accessory slots,and a top mounted, color frame retainer
• Steel yoke with two mounting positions
• positive locking double-clutch yoke
• Slot for glass or stainless steel patterns
• Wide accessory slot with sliding cover for motorized patterndevices or optional iris
• UL and cUL Listed

ELECTRICAL

• 115-240V, 50/60Hz
• High temperature 3-conductor 36 leads in a glass fiberouter sleeve
• Supports etc Dimmer Doubling technology

LAMP

• 750W Maximum
• HpL compact tungsten filament contained in a krypton/xenon filled quartz envelope (see table for suitable lamp types)
• patented filament geometry makes for extremely efficientlight collection and transmission
• integral die cast aluminium heat sink lamp base

OPTICAL

• Re-optimized optical system for improved photometricperformance and field uniformity
• Two bi-convex lenses
• Faceted borosilicate reflector with dichroic cold mirror coatingremoves greater than 90% infrared radiation (heat) andreflects greater than 95% of visible light
• Reflector secured with anti-vibration shock mounts
• Lenses have anti-reflective coatings
• Lenses secured with anti-vibration shock mounts
• Low gate and beam temperature, shutters will not warpor distort
• Tool free, positive locking X, Y and Z lamp centeringadjustments, unaffected by relamping
• 15-30 version is available