Quote Originally Posted by Dave Miller
Yes Tom, the colour temperature of the bulb does change as it ages, so the new one will need slightly different filter values, and exposure times.
Do any of you change bulbs on a regular basis rather than waiting for them to blow? I (currently) have a Meograde head on an Opemus 6.
If the colour of the bulb changes over time, will this have significant effect on printing grades over time?