| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| stoft | "Not sure what is mounted to what in the 3D image above, but the two camera mounting methods are different: 1) "in convergent beam" - grating parall..." | Read more » | almost 11 years ago | |||
| hank | "Pentax No models or measurements; this may help, if the description of the thread type is what you need: T-Rings for Questar Telescopes Only - Ast..." | Read more » | about 11 years ago | |||
| warren | "@BKF11 - calibration works super well with our current setup; it's sub-nanometer. The big problem with an SLR (besides expense) is that they don't ..." | Read more » | about 11 years ago | |||
| hank | "Pentax K-mount please? The base connector could be the simple K-mount-to-Pentax-thread rings that are available and cheap, for example. " | Read more » | about 11 years ago | |||
| BKF11 | "I think this would be extremely helpful as a more easily calibrated and thus more accurate spectrometer (compared with the current "piece of CD-ROM..." | Read more » | over 11 years ago |