Optoma

Features : Lens type：Standard throw | Throw ratio：1.2-1.73:1 | Zoom ratio：1.44x | Zoom and Focus adjustment：Motorized | Throw distance：2.09 – 19.57 m | Projected image size：50″ – 500″ | Warranty : 3 Years.

Features : Lens type：Ultra long throw | Throw ratio：7.2-10.8 | Zoom ratio：1.3x | Projected image size：50″ – 500″ | Warranty : 3 Years.