My eyesight isn't brilliant, badly shortsighted in my right eye, and slightly long sighted and lazy eye in the left.
I was only able to see the Cassini Division when I used my 6.5mm Saxon Cielo HD with a 2x Barlow on my Sky-Watcher Heritage 130P.
Using my 12mm Saxon Cielo HD with the 2x Barlow, I could see the rings, but not the Cassini Division.
I generally try to let my scope adjust to ambient temperature for about 30 minutes before I'm going to use it.
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