Optoma BX-CAA06 projection lens

Zoom Ratio: 1.25X, Throw ratio: 1.22-1.53:1

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Standard Throw (1.22-1.52)
F number: 2.00~2.30
Zoom Ratio: 1.25X
Throw distance: 1.31~9.82m / 4.3ft~32ft
Lens material: Glass