Model tests were done to find the optimum position.

A larger eye relief means that the optimum position is further from the eyepiece, making it easier to view an image.

If this rotation is about the optimum position, no power oscillation occurs.

The optimum position for the gun is in a direct line with the pitcher.

Two screws hold the guard in the optimum position, the open sides pointing directly away from the body of the machine.

As the shadows changed, the wheels turned to maintain optimum position.

I shall detonate it when the ship is in an optimum position.

But the warsats aren't in optimum position for that purpose.

They have a preferred separation and angle, but applying a force will move them away from this optimum position.

There is no apparent consensus about their optimum position within the organisation.