Luminaire Comparisons

Produced by:

Light Modifiers Rental
 

Written by:

Camrin Petramale & Neil Adamson

Distribution

Falloff

Color

Results

Results

Results

Features

Overview

Illuminance Distribution

Test Results

Written by:

Camrin Petramale & Neil Adamson

In addition to the planar distribution graph, we have provided the beam angle, field angle and useful information on the spread - including beam and field spread sizes at 1, 3, 5, 7, and 10 meters. While much of this information is easy to calculate on your own, we felt it could be helpful to have the data included in the context of filling a frame of diffusion. The "right light" to get the most illumination from a given diffusion size is often debated. While this is not meant to settle that debate, we do provide a measurement we have named "TRUE Lux" which represents the peak illumination that a source is putting out when its beam angle is wide enough to fill a 1m² area. While "filling" a frame could have multiple interpretations, in this case, we consider the frame filled only when the outer edge is a maximum of one-stop lower than the peak illumination. In other-words, this number is concerned with fill AND evenness across the frame. This number is meant to provide a ratio of beam angle to illumination level, as some luminaries may only have high illumination at such a narrow angle that it has a very specialized usage.

Figure 5

A visualization of different planar distribution graphs overlaid with  rough approximations of their beam spread upon a planar surface. These examples are intended for the scale of our graphs only.

Results

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ARRI

M18

Open-Faced Reflector (Other)

Flood

5600K

1m

Beam Spread

1.063418863

Beam Angle

56º

Distance to fill 1m:

0.94

5m

5.317094317

Field Angle

81º

"TRUE Lux"

52,253 Lux

10m

10.63418863

ARRI

M18

Open-Faced Reflector (Other)

Spot

5600K

1m

Beam Spread

0.2455691218

Beam Angle

14º

Distance to fill 1m:

4.07

5m

1.227845609

Field Angle

30º

"TRUE Lux"

40,283 Lux

10m

2.455691218

ARRI

1200 Fresnel

Lensed Reflector (Fresnel)

Fresnel - Flood

5600K

1m

Beam Spread

1.298815186

Beam Angle

66º

Distance to fill 1m:

0.77

5m

6.494075932

Field Angle

77º

"TRUE Lux"

35,255 Lux

10m

12.98815186

ETC

Source Four

Lensed Reflector (Ellipsoidal)

26º Lens (ETC)

3200K

1m

Beam Spread

0.3887606183

Beam Angle

22º

Distance to fill 1m:

2.57

5m

1.943803091

Field Angle

29º

"TRUE Lux"

27,763 Lux

10m

3.887606183

Fiilex

Mag 4k 1st Edition

Open-Faced Reflector (Parabolic)

27º Reflector (Fiilex)

5600K

1m

Beam Spread

0.6498393925

Beam Angle

36º

Distance to fill 1m:

1.54

5m

3.249196962

Field Angle

59º

"TRUE Lux"

27,613 Lux

10m

6.498393925

Aputure

300D MkII

Open-Faced Reflector (Parabolic)

Hyper Reflector (Aputure)

5600K

1m

Beam Spread

0.9971632161

Beam Angle

53º

Distance to fill 1m:

1

5m

4.985816081

Field Angle

83º

"TRUE Lux"

27,004 Lux

10m

9.971632161

ARRI

Skypanel S-60C

Diffused Array (Soft Panel)

Intensifier (Arri)

5600K

1m

Beam Spread

1.274140522

Beam Angle

65º

Distance to fill 1m:

0.78

5m

6.370702608

Field Angle

103º

"TRUE Lux"

25,870 Lux

10m

12.74140522

ARRI

Skypanel S-60C

Diffused Array (Soft Panel)

Intensifier (Arri)

3200K

1m

Beam Spread

1.274140522

Beam Angle

65º

Distance to fill 1m:

0.78

5m

6.370702608

Field Angle

103º

"TRUE Lux"

25,405 Lux

10m

12.74140522

Fiilex

Mag 4k 1st Edition

Open-Faced Reflector (Parabolic)

60º Reflector (Fiilex)

5600K

1m

Beam Spread

1.019

Beam Angle

54º

Distance to fill 1m:

0.98

5m

5.095

Field Angle

83º

"TRUE Lux"

25,111 Lux

10m

10.191

ETC

Source Four

Lensed Reflector (Ellipsoidal)

50º Lens (ETC)

3200K

1m

Beam Spread

0.747769359

Beam Angle

41º

Distance to fill 1m:

1.34

5m

3.738846795

Field Angle

48º

"TRUE Lux"

24,768 Lux

10m

7.47769359

Fiilex

Mag 4k 1st Edition

Open-Faced Reflector (Parabolic)

27º Reflector (Fiilex)

3200K

1m

Beam Spread

0.6498393925

Beam Angle

36º

Distance to fill 1m:

1.54

5m

3.249196962

Field Angle

59º

"TRUE Lux"

22,220 Lux

10m

6.498393925

Fiilex

Mag 4k 1st Edition

Other (Point Source)

None

5600K

1m

Beam Spread

1.591

Beam Angle

77º

Distance to fill 1m:

0.63

5m

7.954

Field Angle

125º

"TRUE Lux"

21,942 Lux

10m

15.909

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Camrin Petramale & Neil Adamson

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