NIKON D7000
Tamron SP AF 90mm f/2.8 [Di] Macro 1
ISO 400
F9.0 1/100 second
I tried to get the LED in my polar scope fixed so I can use it to take photos of the upcoming comet. I validated the LED works, but it's not illuminating the star guide that helps me get it lined up. Don't know what the problem is.