Addendum: The ZWO EAF focuser seems to be an exception. Even though it is defined in the profile, it doesn't matter at all whether it is connected or not. Ekos shows all icons in both cases.

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Hi,

just built KStars/Ekos 3.6.1 stable and Indi 1.9.8 and encountered the following behavior/problem:

If just 1 device of the profile is not connected, all other Ekos device icons are missing, too.

In KStars 3.6.0 / Indi 1.9.7 I could leave the mount disconnected (for example for taking dark frames with just the camera connected), but the camera icon in Ekos was nevertheless present and I was able to take an image series. Now, it seems I have to switch on all devices that are defined in the profile.

Is this intended?

CS, Bernd

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Bernd Limburg replied to the topic 'New Focus Algorithm in Ekos' in the forum. 3 months ago

Just doing a first session with the Linear 1 pass and it works like a charm! First time I get really reproducible focus values and a focus run takes only half the time… Also, using weights for fitting is really a good thing to do!

Thanks John for the valuable extension!

CS, Bernd

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Thanks Jasem, found the temp tolerance threshold in the master tab. CS

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I use KStars 3.5.9 stable and Indy 1.9.6. There, it works for me. Although darks are a bit picky about temperature. Has to match current sensor temp around +/- 1 deg.

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Concerning your Canon AF lens question, there exists a product called Canon lens controller which connects via USB and can be used with Indi (see device drivers). But here you connect a different cam (not a Canon body) to the lens.

CS, Bernd

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Did you take darks with 2 s exposure and gain 120 and the same sensor temperature to match your 2 s gain 120 focus frames?

CS, Bernd

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Bernd Limburg replied to the topic 'New Focus Algorithm in Ekos' in the forum. 4 months ago

The EAF is on the 1:1 axis, not the 10:1 axis, yes. Right now, I don't have BL compensation activated in the driver. But in the linear method, BL should only affect the one travel-back step between 1st and 2nd pass? (I thought...)

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Bernd Limburg replied to the topic 'New Focus Algorithm in Ekos' in the forum. 4 months ago

Hi,

John, thanks for the update! :)

Peter, that‘s indeed an interesting point. My observation is that I have a very smooth and plausible V curve in the 1st pass in most cases, and often a bad and jumpy 2nd pass curve. Never saw it the other way round, which is of course strange and doesn't make much sense, but that's the way it is. Maybe an mechanical issue of my Crayford focuser (backlash? slip?). Have to investigate more.

CS, Bernd

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