Peter Kennett replied to the topic 'ESATTO 2 Focusing Hangout' in the forum. 3 years ago

You are going to want to find others who have the same focal length lens you are using - or somewhat close. There is a huge difference between focus settings with a 350mm focal length APO and a 2800mm focal length C11. The longer the focal length, the worse seeing has an effect.

But for me (C11) my initial focus jump needs to to be at least 4,000 steps - or the focus routine fails.

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