| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "Jeff, Really good questions. I don’t think I can answer any of them from first principles. Focusing the image of the spectrum is one of the inscru..." | Read more » | almost 12 years ago | |||
| warren | "Oh, almost forgot my other question! Do the camera lens and aperture make any difference at all? You didn't use a camera for this... could you try ..." | Read more » | almost 12 years ago | |||
| warren | "Amazing. Two questions: does the distance between the camera and the grating affect focus? if we assume that for the design of a compact/useful s..." | Read more » | almost 12 years ago |