Quote:
Originally Posted by cjamo9
apparently the problem is that ir focuses at a different point to the visble spectrum making it harder for the very sensitive chip in the webcam to get proper focus.( more affect in sct and refractor types) many who try these chips on the moon for example get a very milky image no mater how good their focus is. a good way to see what im talking about is to try a webcam with a lense but without the ir blocking filter during the day on sunlit object then put the filter back in. big difference. ive tried with nebula filters, moon filter, coloured filters and with the bader ir filter and the bader is the best i find for achieving focus with my web cameras. the brighter the subject ive tried combinations of these filters as well. the microsoft web cam has the ir filter separate to the lense which is good if someone wants to play with one without the threaded filters. just saying if you dont have loads of filters it would be a good webcam for planetary and lunar imaging.except for it not being very high resolution.  |
Cheers for the tip, will stick an IR-cut into the mix on the next run with the 900nc, lol can't wait to see how this pans out. Still chasing a life cam cinema down myself for Jupiter season
