Photometric Data Sheet
| Luminaire | Vista - Ceiling Surface Lights, 45 deg | Lamp / LED | Integrated LED module |
|---|---|---|---|
| Luminous flux | 5,400 lm | Input power | 45.0 W |
| Efficacy | 120.0 lm/W | CCT | |
| CRI | >90 | BUG rating (TM-15-11) | B3-U0-G0 |
| Beam angle (50% Imax) | 45.0° | Field angle (10% Imax) | 74.2° |
| Voltage | AC220~240V |
| Distribution | Direct, rotationally symmetric | Maximum intensity | 8,980.1 cd |
|---|---|---|---|
| At angle | 0° V | Luminous shape | Circular |
| Luminous size | 195 mm dia. | Spacing/height (nominal) | 1.51 |
Polar distribution, rotationally symmetric. 0° is straight down.
| Zone | Lumens | % of total |
|---|---|---|
| 0–30° | 4,391 | 81.3% |
| 0–60° | 5,398 | 100.0% |
| 0–90° (total) | 5,400 | 100.0% |
Flux emitted within each downward cone. 59% of the total falls inside the rated beam angle.
| Zone | Back lm | Front lm |
|---|---|---|
| Low 0–30° | 2,195 | 2,195 |
| Mid 30–60° | 504 | 504 |
| High 60–80° | 1 | 1 |
| Very high 80–90° | 0 | 0 |
| Uplight 90–100° / 100–180° | 0 / 0 | |
Backlight, Uplight and Glare classes from the zone lumens, IES TM-15-11 limits. Calculated from this distribution.
Centre-beam illuminance and beam diameter on a surface directly below.
| γ | cd | γ | cd |
|---|---|---|---|
| 0° | 8,980.1 | 46° | 189.8 |
| 1° | 8,976.5 | 47° | 154.8 |
| 2° | 8,961.4 | 48° | 125.4 |
| 3° | 8,930.8 | 49° | 101.0 |
| 4° | 8,882.0 | 50° | 80.8 |
| 5° | 8,813.2 | 51° | 64.2 |
| 6° | 8,722.9 | 52° | 50.7 |
| 7° | 8,610.2 | 53° | 39.8 |
| 8° | 8,474.5 | 54° | 31.1 |
| 9° | 8,315.6 | 55° | 24.1 |
| 10° | 8,133.7 | 56° | 18.5 |
| 11° | 7,929.4 | 57° | 14.2 |
| 12° | 7,703.5 | 58° | 10.8 |
| 13° | 7,457.4 | 59° | 8.1 |
| 14° | 7,192.5 | 60° | 6.1 |
| 15° | 6,910.6 | 61° | 4.5 |
| 16° | 6,613.9 | 62° | 3.3 |
| 17° | 6,304.6 | 63° | 2.5 |
| 18° | 5,985.1 | 64° | 1.8 |
| 19° | 5,657.9 | 65° | 1.3 |
| 20° | 5,325.7 | 66° | 0.9 |
| 21° | 4,991.0 | 67° | 0.0 |
| 22° | 4,656.5 | 68° | 0.0 |
| 23° | 4,324.6 | 69° | 0.0 |
| 24° | 3,997.8 | 70° | 0.0 |
| 25° | 3,678.2 | 71° | 0.0 |
| 26° | 3,368.1 | 72° | 0.0 |
| 27° | 3,069.0 | 73° | 0.0 |
| 28° | 2,782.8 | 74° | 0.0 |
| 29° | 2,510.5 | 75° | 0.0 |
| 30° | 2,253.5 | 76° | 0.0 |
| 31° | 2,012.3 | 77° | 0.0 |
| 32° | 1,787.5 | 78° | 0.0 |
| 33° | 1,579.5 | 79° | 0.0 |
| 34° | 1,388.2 | 80° | 0.0 |
| 35° | 1,213.5 | 81° | 0.0 |
| 36° | 1,055.0 | 82° | 0.0 |
| 37° | 912.1 | 83° | 0.0 |
| 38° | 784.1 | 84° | 0.0 |
| 39° | 670.3 | 85° | 0.0 |
| 40° | 569.7 | 86° | 0.0 |
| 41° | 481.4 | 87° | 0.0 |
| 42° | 404.5 | 88° | 0.0 |
| 43° | 337.8 | 89° | 0.0 |
| 44° | 280.5 | 90° | 0.0 |
| 45° | 231.4 |
Candela at each vertical angle, C0-C180 plane.
| Mounting height | centre | 0.5 m | 1.0 m | 1.5 m | 2.0 m | Beam Ø |
|---|---|---|---|---|---|---|
| 2.0 m | 2,245 | 1,639 | 572 | 119 | 20 | 1.7 m |
| 2.5 m | 1,437 | 1,186 | 605 | 204 | 54 | 2.1 m |
| 3.0 m | 998 | 878 | 554 | 254 | 93 | 2.5 m |
| 3.5 m | 733 | 670 | 481 | 270 | 124 | 2.9 m |
| 4.0 m | 561 | 525 | 410 | 264 | 143 | 3.3 m |
Horizontal illuminance directly below the fitting (centre) and at each radial offset, for a single fitting. Use it to judge spacing for uniform light. Point-source projection, E = I·cosθ / D².