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Just reading the translated Japanese manual for the SWAT330.
It is saying 14 arc second error is good enough for up to 135mm lenses (assuming a good polar alignment).
This matches my experience. So keep in mind a Polarie with it's 20-24 arc second accuracy will be really only able to handle 75mm lenses tops.
There is a SWAT 350 with ultra precision of 2.8 arc second errors which probably makes it the most accurate tracker out there. But it's around AUD$3,000.
Again, that matches my experience.
Greg.
Last edited by gregbradley; 15-04-2024 at 06:37 PM.
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