The Optoma BX-DL200 Standard Throw Lens integrates extra-low-dispersion glass elements into its construction for reduced flare, lens aberrations and distortion, yielding bright, accurate presentations. Part of the "PureOptics" line of lenses the BX-DL200 has a maximum aperture of f2.6-2.56, with a Throw Ratio of 1.54-1.93:1 and an image size of 34.3 to 200 inches.