GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/24/13. Specifications subject to change without notice.
PAGE 3 OF 3
DLVI-2-ADJ-SLOTTED
PHOTOMETRY
5cm (2”) DLVI
Slotted Adjustable
Seamless Cast Faceplate, Max 50 Watt
LAMP PERFORMANCE DATA
All data was calculated from each lamp manufacturer’s published data and is subject to normal lamp variations. Maximum footcandle is usually at the aiming point, but not
always on wider spread lamps. Lamp data supplied by manufacturers is approximate, and individual lamp performance may vary.
ACCENT LIGHTING ANGLE PERFORMANCE DATA
DISTANCE LAMP TO LIGHTED SURFACE 2 FEET 4 FEET
DISTANCE DOWN TO AIMING POINT V1 (FT) 2 V2 (FT) 7
Beam
Lamp No. Watts Type MFG. Width (°) MBCP Aiming Angl e Beam Aiming Angle Beam
to 45° Length Width 60° Length Width
50% MBCP FT-CANDLES FT-CANDLES
MR-16
EZX 20 VNSPGE78200 725 0.50.3 64 2.0 1.0
EZY 20 VNSP GE 713100 1158 0.50.3 102 2.0 1.0
ESX 20 NSP GE/SY/PH 15 3600 318 1.1 0.7 28 4.4 2.1
BAB 20 FL GE/SY/PH 40 525 46 3.4 2.1 4 19.3 5.8
EYS42SPGE20 2400 212 1.5 1.0 19 6.2 2.8
EXT 50 NSP GE/SY/PH 13 10200 902 0.90.6 80 3.8 1.8
EXZ 50 NFL GE/SY/PH26 3400 301 2.0 1.3 27 8.83.7
EXN 50 FL GE/SY/PH 40 1850 164 3.4 2.1 14 19.3 5.8
EYJ 71/65 MFL GE/SY 24 4900 433 1.81.2 38 7.93.4
EYC 71/65/75 FL GE/SY/PH 36 2100 186 2.9 1.8 16 15.2 5.2
V1
V2
H
45˚
aiming
angle
60˚
aiming
angle
fc =
MBCP x Cos
3
(aiming angle)
H
2
(distance from wall s
uared)
Feet out from wall (H)
67 8910
Aiming
angleCos
3
Feet down from ceiling (V)
45°.354678910
50°.26678101112
55°.189910 11 13 14
60°.1251012141617
65°.0761315181921
70°.0401719222528
75°.0172226303437
Formula for other distances and aiming angles.
LOCATION OF ACCENT LUMINAIRE TO PROVIDE AIMING PT. 5.5' ABOVE THE FLOOR
Clg. Ht. (ft) 60° Aiming Angle 45° Aiming Angle
Out (H)Down (V2) Out (H) Down (V1)
8 1. 5 2. 5 2.5 2.5
9 2. 0 3. 5 3.5 3.5
10 2. 5 4. 5 4.5 4.5
PHOTOMETRY NOTES
• Tested to current IES and NEMA standards under stabilized laboratory conditions.
• Actual performance may differ as a result of end-user environment and application.
• Consult factory or IES file for microgroove baffle, black cone or other photometric reports.
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