Use this fixture in a lighting design

Open in CircadianLab to place this fixture in a room and calculate melanopic lux (EML), illuminance, UGR glare, and WELL v2 compliance — with radiosity simulation and real IES photometry. Free, no signup.

Open in CircadianLab
Gotham(Acuity Brands)•Downlight

Gotham 10 DIAMETER CYLINDER WITH 6" APERTURE OPEN DOWNLIGHT 1/42TRT

CF10 1/42TRT 6AR

Lumens
1,809lm
Peak Candela
1,249cd
Beam Angle
90°

Polar Plot (2D)

Loading photometric data…

Goniometer (3D)

Loading photometric data…

Beam Analysis

Loading photometric data…

Photometric Specifications

Total Luminous Flux1,809 lm
Peak Intensity1,249 cd
Beam Angle (50% peak)90°
Symmetrybilateral
Lamp / SourceONE 42-WATT TRIPLE TUBE COMPACT FLUORESCENT, HORIZONTAL POSITION.
CatalogCF10 1/42TRT 6AR
Open in CircadianLabDownload from SourceIES file via ieslibrary.com

About this Photometric File

This page presents the IES photometric distribution for the 10 DIAMETER CYLINDER WITH 6" APERTURE OPEN DOWNLIGHT 1/42TRT from Gotham, a Acuity Brands brand.

You can use this fixture in CircadianLab to design lighting layouts and calculate melanopic equivalent lux (EML), illuminance in lux or foot-candles, and UGR glare ratings — all in your browser, free, with no signup required.

Note on photometric plots: All plots on this page treat the luminaire as a point source emitting from its photometric center, which is the standard convention for IES LM-63 data.

Disclaimer: Innerscene does not manufacture, sell, or distribute the 10 DIAMETER CYLINDER WITH 6" APERTURE OPEN DOWNLIGHT 1/42TRT or any other Gotham products. This page is provided for informational and lighting-design purposes only, using publicly available photometric data. For product inquiries, pricing, or availability, please contact Gotham (Acuity Brands) directly.

← Browse the full IES fixture library in CircadianLab