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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.



2019-10-29 - Photopia 2020 has been released, which includes rayset support and speed improvements in SOLIDWORKS.

2019-8-27 - Photopia 2019.2 has been released, which includes bug fixes and library updates. Customers will have received an email with download instructions.

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.


April 2019 - August 2019

  • CREE JR5050AWT J Series Mid Power LED
  • Feit LED Filament A15 Lamp
  • Lumileds L2C5-50801205F1300 and L2C5-30901204E0900 COB LEDs
  • Luminus SST-10-R-B130, SST-10-G-B130, SST-10-B-B130 RGB LEDs
  • Nicera SFG-323-671 527nm & 624nm Emission PIR sensor
  • Nichia NFSW757G-V3, NFSW757H, NVSW219FT LEDs
  • Philips R20 Dimmable Warm White LED Lamp
  • Polyone Resilience LS21400E, LS21400M, LS21402E High Reflectance White Plastic
  • Polyone Resilience LS22000E, LS23000E, LS23010E, LS23020E LS23600E Extruded Plastic
  • Polyone Resilience LS22000M, LS23000M, LS23010M, LS23020M Injection Molded Plastic
  • Samsung SPHWHTA2N100 & SPAMTA2N100 Ceramic Series LEDs

    View All Lamps

    View All Materials


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San Diego, CA

February 11 - 13

Booth 734

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Frankfurt, Germany

March 8 - 13

Hall 8.0, Stand K35

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Las Vegas, NV

May 5 - 7

Booth 2087

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.

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