Changing The Lens Tube; Colour Filter Life - Philips Selecon SPX 15-35 Operation Manual

SPX Operation Manual
Changing the Lens Tube
The SPX fixed beam and zoom lens tubes are interchangeable. Move the lens knob(s) towards the front of the
tube. Slide the lens tube locking catch forward and lift out the lens tube. Replace it with the desired lens tube.
Ensure the lens tube locking catch is fully engaged.
Colour Filter Life
The SPX optical system has been designed
for maximum light output using modern
compact filament lamps, while optimising

colour filter life.

Colour filter life is of typical duration
compared to other ellipsoidals.
Please refer to the table below for more
performance information.
Lens Tube
14°
19°
26°
36°
50°
15° - 35° at 15°
15° - 35° at 35°
25° - 50° at 25°
25° - 50° at 50°
Flat
Excellent Excellent
Excellent Excellent
Good Good
Good Good
Good Okay
Excellent Excellent
Good Good
Excellent Excellent
Excellent Excellent
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