| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "thank you for these conversion details and trying to get to the bottom of this problem. " | Read more » | over 9 years ago | |||
| patcoyle | "Chris, excellent well documented tips. I appreciate your continuing effort to advance the quality of results from these tools. " | Read more » | over 9 years ago | |||
| MrBumper | "I don't know if this will clarify anything, but I'm finding using a laser beam from a red laser pointer quite useful in examining what goes on with..." | Read more » | over 9 years ago | |||
| cfastie | "I don't know whether you could see a clear projected image of the spectrum. I think you could, but it would rather small and dim. I also don't know..." | Read more » | over 9 years ago | |||
| wizard | "Wow... excellent information... thanks. I am a newbie, and my questions will be indicative of that.... I see now that I may assemble two spectrome..." | Read more » | over 9 years ago | |||
| cfastie | "Ivan, Yes, the plugin to make the file pairs list requires some study. It also requires that you have: synchronous pairs of VIS and NIR photos al..." | Read more » | over 9 years ago | |||
| ivalethia | "I belive the problem is in the first plugin ("Create dual image list" ), 'cause I don't understand from where this file (list) comes, do I create i..." | Read more » | over 9 years ago | |||
| cfastie | "Let us know which parts of the user guide (PhotoMonitoringPluginGuide.odt, at Github) you need help with. Chris " | Read more » | over 9 years ago | |||
| ivalethia | "Hi Chris (@cfastie). Can you help one more time? I can't make it work with the plugin in Fiji (also in ImageJ), could you put it in simple words ho..." | Read more » | over 9 years ago | |||
| ivalethia | "After add the IRCut filter in the IPCam, with the GIMP (@Warren) method, I get this: It looks like go better according the color scale (except t..." | Read more » | over 9 years ago | |||
| cfastie | "Okay, I think I understand now. What you did is: remove IR block filter from a camera take a photo take the same photo with exposed and developed..." | Read more » | over 9 years ago | |||
| ivalethia | "Hi Chris (@cfastie). This pictures (the third in every serie of 3) are not produced directly from the camera, as you say. First, I take a picture w..." | Read more » | over 9 years ago | |||
| cfastie | "Replacing the camera's IR block filter with exposed, developed, color print film allows only near infrared light to be captured. These IR photos ar..." | Read more » | over 9 years ago | |||
| cindy_excites | "Gracias por esto! Muy interesante! " | Read more » | over 9 years ago | |||
| cfastie | "I think most small Powershots use an IR block filter that is 8.9 x 7.9 mm. That's the advertised size of the BG3 glass filter I put into an A2200 a..." | Read more » | about 10 years ago | |||
| ttaylor | "Chris, do you remember/know the dimensions of the A2200 hot filter? " | Read more » | about 10 years ago | |||
| tmoravec | "the reason for the fast fallof at 600+ nm is IR filter on the CCD/CMOS chip of the camera. I am currently working on similar problem. I need to cal..." | Read more » | over 10 years ago | |||
| Roolark | "@Cfastie, That post from Tom was the one I was referring to in my idea #2 but yeah, I must have misread it. Still, regarding #1, I do understand..." | Read more » | over 10 years ago | |||
| cfastie | " Interesting idea. Some IR blocking filters are "hot mirrors" which are coated to reflect IR. Maybe it's possible to remove the coating (but maybe ..." | Read more » | over 10 years ago | |||
| Roolark | "Couple quick thoughts on the filter/clarity issue. For starters, I just ordered an a2200 for the infra blue purposes from eBay, so I haven't had a ..." | Read more » | over 10 years ago | |||
| cfastie | "The Canon A2200 (refurbished) is on sale today (November 21) for $48.99 (free shipping) with a one year warranty: http://shop.usa.canon.com/shop/e..." | Read more » | over 10 years ago | |||
| cfastie | "The aperture mechanism definitely varies among Powershots. By peering into the front of the lens I learned that the high end ones have an actual ir..." | Read more » | over 10 years ago | |||
| timmm063 | "Have you considered watching other sites for cameras that are refurbished? One I would recommend is canonpricewatch.com. It also shows prices for o..." | Read more » | over 10 years ago | |||
| danbeavers | "The filter should have nothing to do with the difference in quality between the center and edge of the image since it is uniform in density. Lense..." | Read more » | over 10 years ago |