Comments

Author Comment Last activity Moderation
stef "@realestateediary Are there any further updates to this design? Re the razor slit or any geometric changes? I am very much interested in printing t..." | Read more » over 2 years ago
stef "there may be some answers for you in the research notes produced by @Stoft and @Warren on the topic of camera's native resolution and optics as a ..." | Read more » over 4 years ago
stef "This may not be a project to determine the quantities of the subject of your concern. The spectrometer in question is at an entry level and the ana..." | Read more » about 6 years ago
stef "Your image is way over exposed. You should be aware that this is an entry level project. The desk top is also used to stimulate discussion. Please..." | Read more » about 6 years ago
stef "Also more detail, e.g. slit width, any other departure from stock to help others. Stef " | Read more » over 6 years ago
stef "It would be useful if you had given the thingiverse number along with your note. I'm interested. Thanks. Stef. " | Read more » over 6 years ago
stef "@warren, @rthalman I will share the build details once I get some fotos. The public library operates on a cost recovery system so the cost of the p..." | Read more » about 7 years ago
stef "@rthalman: Hey, I'm not complaining, your design got me going on the 3D printing thing. Insofar as to the Cam temperature, by turning off the autof..." | Read more » about 7 years ago
stef "@rthalman, @warren I have replicated the design using the printer in my local library as well as the modification to the Life cam where I removed t..." | Read more » about 7 years ago
stef "Hi Would be usefull if we had a pix to view. " | Read more » about 7 years ago
stef "@warren, Here is the link to my latest cam https://spectralworkbench.org/spectrums/99143# also in Sun sky tags the slit is ca 0.04 mm cam is the MS..." | Read more » about 7 years ago
stef "Any camera that has the IR cut filter removed. More specifically the one shipped with the PLAB spectrometer 3.0 stef " | Read more » about 7 years ago
stef "It may be the orientation of the camera. If you are using the JDEPC-0V05 as currently shipped with PLAB Spectrometer 3.0 the usb connector should b..." | Read more » about 7 years ago
stef " khufkens-pi-camera-response-curves-3342e29_-3-.zip @warren,@stoft This may provide additional info. Stef " | Read more » over 7 years ago
stef "@warren Thanks for your comments. Prior to the IR filter removal, I had no indication that there was a light transmission through the cover proble..." | Read more » over 7 years ago
stef "Done! " | Read more » over 7 years ago
stef "Thanks for that tidbit. It is re-edited. " | Read more » over 7 years ago
stef "It probably would help to identify the camera better e.g. JDEPC-0V05 as shipped with the PLAB 3 spectrometer IR filter removal and Focusing. I thin..." | Read more » over 7 years ago
stef "Very nice, but more detail is needed. stef " | Read more » over 7 years ago
stef "@warren After sleeping it over, realized that due to the no IR filter of the raspberry the bandwidth response will be different from the published..." | Read more » over 7 years ago
stef "@warren Here is a link http://www.khufkens.com/projects/ov5647-spectral-response/ and here is a zip file khufkens-pi-camera-response-curves-3342e..." | Read more » over 7 years ago
stef "Unfortunately I did not do a baseline measurement to do a comparison. Will keep that in mind for the future. stef " | Read more » over 7 years ago
stef "The BIG advantage of the Raspberry Pi is the use of the Sony IMX298 sensor whose spectral bandwidth is known and is 16 megapixel sensor. Much like ..." | Read more » over 7 years ago
stef "@warren This shows a metal 1/4-20 metal adapter for a tripod mount also addition of the rear 1.5X2 bulkhead with an indicator power on lead for t..." | Read more » over 7 years ago