Kodak Slide Projector Operating Manual page 27

Condenser Lens
Heat-Absorbing
Glass
(For lamp modules
with a heat-absorbing
glass.)
KODAK CAROUSEL® Slide Projector
You can clean the condenser lens in place, or by pulling it out. Wear gloves
to prevent fingerprints.
Caution
The heat-absorbing glass is fragile. Handle it only when cool.
The green-tinted heat-absorbing glass easily removes for cleaning.
Maintenance
23