Overview
42550-1B Source Four 25°-50° Zoom, White w/GSP (stage pin)
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
