Overhead Projector

- Working stage 285x285mm
- 24V 300W halogen lamp
- Average illumination 2000 lumens
- Central illumination 3900 lumens
- Lens:
TTB-2011,290mm focal length 1-element
TTB-2021,310mm focal length 3-element
- Folding post, self contained unit
- Lamp-saver switch system
- Quick lamp changer device
- 360 degree rotatable lens holder
- Fringing adjustment