Hi.

I have Astromechanics CanonEF focuser and Tamron 150-600 G2. Connection is OK ! Apperture change OK! But ....
Now I ask if somebody could say what are good step values for focuser in Stellarmate.
There are two places where you can make adjust: 1) focuser settings and 2) in focusing process.

What are
a) relativ position
b) absolute position
c) max position

and
d) initial step size
e) max step size
f) max travel

When I try autofocusing I don't get good v-curve at all. HFR values jumping zig-zag without any v- or u-curve.

...Lasse...

ps. I tried also N.I.N.A and ascom driver for that combination do not work.

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lasse utti created a new topic ' Focusing without autofocuser' in the forum. 2 years ago

Is it possible use Ekos autofocus to do manual focusing.
Ekos calculates sharpnes value and user makes the correction
based on the calculated result. I haven't tested this yet.

If not, this could be a nice solution for taking sharper pictures.

...Lasse...

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lasse utti replied to the topic 'iOptron iPolar focal length' in the forum. 2 years ago

Jep.

I asked from iOptron support team end their answer was 25mm.

...Lasse...

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lasse utti created a new topic ' iOptron iPolar focal length' in the forum. 2 years ago

Does anybody know what is iOptron iPolar polarscope focal length ?
It helps Stellarmate settings for polar adjustment.
...Lasse...

PS. pixelsize 3.75 um, 1280*960, FOW 13° but focal length ???

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