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Photopia - Optical Design Software
Photopia for SOLIDWORKS
optical design consulting
lamp and material modeling

LTI Optics has provided optical design software and optical design consulting services for over 30 years. Our software, Photopia, is respected for the accurate and extensive lamp and material library and being very easy to use, helping anyone design class leading optics quickly and accurately.



2019-4-16 - Photopia 2019.1 has been released, which includes new reports, bug fixes and library updates.

2019-2-25 - We have published a white paper on non-standard luminous shapes which shows how to best handle large luminaires like open rings or serpentine linear shapes since the standard IES file format has limited ability to define such shapes.

2018-12-15 - Photopia 2019 has been released, which includes 3D illuminance planes, support for Type A and B photometry, new iso-candela plots in Photopia | Reports, bug fixes and a library update.


December 2018 - April 2019

  • 24mm hemispherical model for Ledil Zorya optics
  • 56mm hemispherical model for Ledil Zorya optics
  • Osram GW PUSRA1.PM LED
  • Nichia NF2E757GRT Green LED
  • CREE CXB 1310 LED
  • White Optics M-18 Matte White
  • Beckers 408-1-2W1255 Low Gloss White
  • Kingbright Right Angle SMD Blue LED
  • RTP S-204144 White Valar HD Reflector
  • Osram Micro SIDELED 3010 Blue LED
  • Citizen CLC030-081B8-313H3-185 CITILED Warm Dim LED
  • Cree J Series 2835 3000K LED
  • Cree J Series 2835 5000K LED
  • Lexan 123R Polycarbonate
  • Osram GW CSSRM3.PM LED
  • 3000K 80CRI Phosphor in Silicone
  • 458nm LED Chip in Silicone
  • SETi S-S35F-F3-275-01-4 UV LED
  • Generic Galvanized Steel Material
  • Lumileds Luxeon C LED 4000K
  • Lumileds Luxeon C LED 3000K
  • Lumileds Luxeon C LED Red
  • Lumileds Luxeon C LED Green
  • Lumileds Luxeon C LED Blue

    View All Lamps

    View All Materials


May 21-23 2019 in Philly - We'll be at booth 2258 this year showing you the latest additions to Photopia, Photopia for Solidworks, and photopia | reports.

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Orbit Lantern from Black Diamond, optics designed by LTI Optics. Image courtesy of Black Diamond.

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Copyright 2019 by LTI Optics, LLC, all rights reserved.

SOLIDWORKS® is a registered trademark of Dassault Systémes SOLIDWORKS Corporation.

LTI Optics provides Photopia, the industries leading optical design software and optical analysis software for designing and analyzing illumination optical systems. Photopia optical design software works alone or is an add-in to SOLIDWORKS, allowing full opto-mechanical integration.