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Comments

Author Comment Last activity Moderation
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 » 7 months ago
stef "save some time and get the v3.0 kit from the store and research the notes from @Stoft and @Warren, one thing to keep in mind when using card stock ..." | Read more » 7 months ago
stef "Can you further identify the camera? Is it used in any of the projects? Were can I purchase one? Im curious is there a data sheet available for iit..." | Read more » 7 months ago
stef "In your second image look at the ccd sensor identified as V2 ithas a reddish tint to it look for something like that on the back end of the lens as..." | Read more » 7 months ago
stef "The ir cut filter should be on the back of the lens barrel assembly you can check for it by looking at an angle and look for a greenish irradiance,..." | Read more » 7 months ago
stef "if you read my research note,it was quite specific about the model of the spectrometer used in the plab spec 3 model as supplied I have no idea whe..." | Read more » 7 months ago
stef "Hi, the camera used in the plab spectrometer does indeed have an ir filter' I published a note quite some time ago on how I did it. please do a sea..." | Read more » 7 months ago
stef " hello,i am trying to search notes for a 3d printed spectrometer which i saw some time ago i have been offline for sometime due to health issues an..." | Read more » about 1 year ago
stef "You might do a search for notes by @stoft 're the plab v3 model. There are drawings that he produced and excellent discussions. The plab v3 mounts ..." | Read more » almost 2 years ago
stef "Further to my previous replies, it may be possible to view the sun disk attenuated with the filters used by welders to view their work. I have not ..." | Read more » over 2 years ago
stef "One reason why the plab spectrometer is less sensitive in the infrared wavelength is the ir filter as part of the lens assembly. There are research..." | Read more » over 2 years ago
stef "What I was alluding to is that with all of the filter attenuation, the cmos sensor was still overloaded. This can be seen in the spectra submitted..." | Read more » over 2 years ago
stef "I have used photographic neutral density filters and have not been able to view the sun directly using the spec3 highly modified device. The attenu..." | Read more » over 2 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 » over 2 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 » over 2 years ago
stef "Depends what you're printing. Can you be more specific? " | Read more » over 2 years ago
stef "Also more detail, e.g. slit width, any other departure from stock to help others. Stef " | Read more » over 2 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 2 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 » over 3 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 » over 3 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 » over 3 years ago
stef "Hi Would be usefull if we had a pix to view. " | Read more » over 3 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 » over 3 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 » over 3 years ago