@Gunny01 wrote:
I was reading up on temperature compensation in SGP and hope I have this correct. Based on what I read my understanding of temperature compensation is that a refocus will only be initiated based on the compensation curve and at the END of the image currently being taken. If I am wrong on this feel free to correct me.
Since SGP can generate a log with curve as a session is progressing, is it possible to have SGP dynamically focus while an image is being taken? I Imagine this would be similar to IF ONAG' s Focus Sharp software. Unfortunately, that $100 software package requires the IF ONAG and in some cases you are limited by your available back focus. I have the IF ONAG on my AGO scope and it is a fantastic piece of equipment. Problem of it is the price: about $1300 plus adapters. I do not use the focusing software, as the AGO has a pretty stable focus throughout the evening. My Tak FSQ is another story. It frequently requires refocus and dynamic focus (DynaFocus) would be a nice feature for this and other refractors.
I'm not a script writer nor someone familiar with focus theory, so this may be pie in the sky thinking. Would it be possible to accomplish dynamic focus using something like a change in HFR (delta HFR) and delta time? There is a graph with the temperature compensation in SGP that I have seen.
I just starting looking into the Arduino boards and scripting using the Arduino IDE. I plan on building my own weather station for the wife's birthday and that is what turned on the light bulb in my brain for DynaFocus. Don't know if this would be a project that is both feasible and at the same time, something the developers would find interesting to pursue. Of course it would be an add on ($$)..........................Gunny
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