When requesting advice or help in this forum please provide as much information
as possible. Sometimes just the smallest tidbit of information is crucial.

If you have an optical or image problem, please copy these questions to the
clipboard, create a new topic, paste in the text, then add the answers.

1. Lamp type -
2. Distance to rear fresnel -
3. Rear fresnel focal length -
4. Distance between front and rear fresnel -
5. Front fresnel focal length -
6. Distance from front fresnel to LCD -
7. LCD diagonal -
8. LCD model -
9. Distance from LCD to projection lens -
10. Focal length and diameter of projection lens -
11. Throw distance to screen -

Finally, describe the problem and attach pictures if possible.


Please note this thread is read-only and only intended to be a repository
for question templates. Other templates will be added as conditions warrant.