Adds Flexibility for presentations given in large venues, that require the projector to be positioned farther than the screen size and relative distance allow with a standard lens.
Screen Size: 30 - 300in
Projection Distance: 3.4ft - 47.9ft
Focallength= 36to 48mm
Zoom Ratio : 1.35 x
f number: 1.8 to 2.3
Projection Distance Ratio : Approx 1.8 to 2.3
Projection distance ratio = projection distance / width of projection area. The values should be used as a guide for setting up. The value will vary depending on setup conditions.
Example of approximate distances to screen size for thelens:
300" Screen (240.2 x 181.1) : 35.7ft - 47.9ft distance
200" Screen (161.4 x 118.1) : 23.8ft - 31.9ft distance
100" Screen (78.7 x 59.1) : 11.8ft - 15.8ft distance
80" Screen (63.0 x 47.2) : 9.4ft - 12.6ft distance
60" Screen (47.2 x 35.4) : 7.0ft - 9.4ft distance
40" Screen (31.9 x 24.0) : 4.6ft - 6.2ft distance
30" Screen (24.0 x 18.1) : 3.4ft - 4.6ft distance
The projection distances given are approximations only. Actual projection distance will depend on the specific situation.
Works With :
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