response:12134
response:12134


Author Comment Last activity Moderation
Corymbia "Hi Chris, I made a simple test earlier today, so far only managed to look at the JPEG file data (I have an old code for reading DNG into Matlab (ba..." | Read more » about 3 years ago
cfastie " One photo every 50 shots might be sufficient. It depends on how much the light changes during that time (5 minutes?, an hour?, a day?). You might ..." | Read more » about 3 years ago
Corymbia " Hi Chris, Thanks for your answer! Very helpful. 1) Regarding the reflectance targets. I bought a dozen of ceramic tiles in different colours (inc..." | Read more » over 3 years ago
cfastie " You are correct that your multi-day observation will present some problems. It is possible that doing a custom white balance on each day will comp..." | Read more » over 3 years ago
Corymbia " Hi Chris, Many thanks. I managed to get a DB660/850 filter and should have my camera (Olympus E-M10 Mark II) converted this week. It did cost an a..." | Read more » over 3 years ago
cfastie "The primary advantage of dual band filters is that they pass much narrower bands of wavelengths than red or blue filters (which also pass NIR). Th..." | Read more » over 3 years ago
Corymbia "Hi, thanks for the post. I'm planning to re-convert my NIR-adapted camera (currently with a blue filter) due to its rather poor performance in dete..." | Read more » over 3 years ago
cfastie "I took another batch of photos (research note soon) with ISO 200 and the shutter speed at 1/30 second. The f-stop varied between f/2 and f/5.6. It ..." | Read more » over 6 years ago
Claytonb "@cfastie -Great work Chris. Have you tested to see what your max shutter speed is with the DB filter on a normal sunny day with same ISO or slightl..." | Read more » over 6 years ago