Stetra Photometric Studio (v4.2)
Stetra Photometric Studio (v4.2)
Upload or drag & drop an LM-63 IES file Self-tests running…

Details

— Lumen/Watt
40°
9.0 ft
lm
W
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

More lighting tools

Use these calculators for quick estimates — for permit-ready results, order a professional photometric plan.

All calculators Order Photometric Plan

Recessed Lighting Calculator

Quick spacing grid for recessed and ceiling-mounted lights

Open

Lumen Calculator

Estimate required lumens for target lux/fc.

Open

Chandelier Size Calculator

Fast sizing guidance for dining & living rooms.

Open

Cable / Voltage Drop

Check cable sizing and voltage drop limits.

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