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Optoma ZK750 Projector &
Optoma BX-CTA21 Projector Lens

Optoma ZK750

  • 7000 ANSI Lumens
  • UHD 3840*2160 Native Resolution
  • 5000:1 Contrast Ratio
  • 20000 hour lamp life (typical)
  • Lens Shift function
  • 33kg (72.8lb.)
  • 3 year return to base warranty
Optoma ZK750 & Optoma BX-CTA21
£17644 (£21172.80 inc. VAT)
Availability: In Stock

Optoma BX-CTA21
Suitable For

Optoma BX-CTA21 Lens Only
£2665 (£3198.00 inc. VAT)
Availability: In stock
Select a Screen Min. Throw Max Throw Foot Lamberts
2.12m 2.83m 1156.27
Throw Chart for Optoma ZK750 fitted with Optoma BX-CTA21 lens

Screen Size Table (Figures in metres)

Width Height Diagonal Min. Throw Max Throw Area Foot Lamberts*
0.50 0.28 0.57 1.06 1.42 0.14 sq.m. 4624.51
1.00 0.56 1.15 2.12 2.83 0.56 sq.m. 1156.13
1.50 0.84 1.72 3.18 4.25 1.27 sq.m. 513.83
2.00 1.12 2.29 4.24 5.66 2.25 sq.m. 289.03
2.50 1.41 2.87 5.30 7.08 3.52 sq.m. 184.98
3.00 1.69 3.44 6.36 8.49 5.06 sq.m. 128.46
4.00 2.25 4.59 8.48 11.32 9.00 sq.m. 72.26
5.00 2.81 5.74 10.60 14.15 14.06 sq.m. 46.25

*Foot lamberts are a measure of the brightness of the final image. Multiply the figure in the foot lamberts column by the gain of your screen to obtain a true figure.

Throw Distance Table (Figures in metres)

Distance Minimum Width Maximum Width
1 0.35 0.47
2 0.71 0.94
3 1.06 1.42
4 1.41 1.89
5 1.77 2.36
6 2.12 2.83
7 2.47 3.30
8 2.83 3.77

Please note that these tables are based on figures supplied by the manufacturer and Ivojo cannot vouch for their accuracy. If in doubt please call us.