Your first shot above shows the ~10x difference in light between eclipsed and non-eclipsed and why you went from proper exposure to underexposed. Thanks to the experts for mentioning meter weighting and bracketing! I had missed setting my weighting...
This was F16 (best my lens would do - RF 100-400 and 2x Extender), ISO 6400, 2 seconds. Blurry because of the 2 seconds required to get a decent exposure. Ok as a snapshot, but NOT sharp. Looking forward to getting a RF 200-800 someday and a camer...
I did try it, but light drops off much more significantly at full eclipse. Just like you CAN shoot the sun's corona during a total eclipse without a filter .001% ND filter I believe it is safe to say that you CANNOT apply this rule when the moon is ...
The viewfinder in the DSLR is not exactly what the sensor sees nor is it affected by the shutter speed like it is for a mirrorless camera. In other words, what you see in the viewfinder is NOT always that you will get on your shot. I think what hap...