Lens system
| Aperture range (F-F) |
1.8 - 2.3 |
| Focal length range (f-f) |
74.8 - 118.2 mm |
| Throw ratio |
4.6-7.2:1 |
ET-ELT21 - Zoom Lens
Zoom Lens from Panasonic is exclusively designed for use with the PT-EZ570, PT-EZ570L, PT-EW630, PT-EW630L, PT-EX600, PT-EX600L, PT-EW530, PT-EW530L, PT-EX500 and PT-EX500L projectors.