View single post by jk
 Posted: Fri May 15th, 2020 15:10
jk



Joined: Sun Apr 1st, 2012
Location: Carthew, Cornwall, United Kingdom
Posts: 6866
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The battery calibration is a hit and miss thing. I dont think I have ever used it.  The battery either works or not.  The indicator implies that the circuit in the battery is some magic device that keeps the battery good, it merely measures the amount of charge used to charge the battery from zero state.

The best batteries to use are the Nikon ones, as the third party ones are of dubious and/or variable quality.  My D3S is very much a second string camera for me these days but does still work exceptionally well.  I prefer my D850 or Z7 or Fuji X series cameras.



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