"*" indicates required fields


How did you learn about the LIDT Challenge?*
Did you receive sufficient information before the LIDT Challenge started?*
Were the LIDT's Challenge schedule and timings convenient for you?*
Did you enjoy the LIDT Challenge winner announcement?*
Were the results of the LIDT Challenge presented in a clear and sufficient form?*
Would you be interested in participating to LIDT Challenge in the future?*
Which topic would you like to Challenge next year?*
Which of these challenging optics is most interesting for you?
Would you be interested in LIDT ISO certified testing of any of your optical components?
Is there anything you would like to ask us about the LIDT Challenge or LIDT testing?