Another idea I've had for a while is that counterweights for EQ mounts should really be made in pairs with the central hole decidedly off-axis.
The off-axis weights could then be used to balance OTA's that have a centre of gravity offset from the centre of the dovetail, e.g. a heavy finder, or the current trend for monster eyepieces in 2" diagonals on the back of small refractors.
2 are needed so you can also find an arrangement that is neutrally balanced.
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