STETRA Lighting

Stetra_finalno_2
Menu
IES Viewer & Downlight Spacing Calculator (v2.4.2)
IES Viewer & Downlight Spacing Calculator (v2.4.2)
Upload or drag & drop an LM-63 IES file • running self-tests…

Details

— Lm/W
40°
9.0 ft
15,000 lm
Tip: sliders run a demo lamp; uploading an IES restores measured data.

Polar plot

C0/C180 C90/C270 50% beam

Beam intensities

* measured at center of beam

Fixture placement

Quick controls

40°
15,000 lm

Note: This calculator gives a first approximation of your lighting layout and brightness levels. For accurate and professional results, we recommend tools like DIALux or AGi32 using real IES or LDT files based on your chosen fixtures.

Need a custom lighting report based on your fixtures? Request a professional report from Stetra Lighting.