Thanks for the comments Jack & Jostein. I tried Live View but couldn't remember how to zoom-in while in Live View for finer focusing. Need to look it up and then do it more to get it hammered into my "little grey cells". :\
On Sun, Oct 26, 2014 at 2:00 PM, Jostein Øksne <[email protected]> wrote: > Darren, have you considered using LiveView and manual focus to do the fine > adjustment? > > Interesting to see that Registax does a decent job of deconvoluting slightly > misfocused shots. If you used the 12 sec. self timer, the SR is > automatically turned off, I think. It does turn off with the two second timer > so I believe it would work that way with the longer timer too. > > Jostein > > Den 26. oktober 2014 18:44:48 CET, skrev Darren Addy <[email protected]>: >>Decided I couldn't let Sunspot Group 2192 (the largest in 24 years) >>get away without trying to capture it. I slipped my home made solar >>filter over the Bigma's hood and tried some captures with the K-3. I >>have yet to apply the AF adjustment to this lens (but sunspots would >>be an excellent way to dial it in, I think!) so I attempted it with >>manual focus using an Olympus Vari-Magni attached to the viewfinder. I >>still don't think I got a single frame perfectly sharp. I think I >>forgot to turn off Image Stabilization. Images taken at high shutter >>speed and f/9 or so. 12 second self-time was used in an attempt to >>reduce vibration. >> >>So I evaluated all the images and picked the 3 that appeared closest >>to sharp and converted the DNG to TIF. Then I cropped them to 2000 x >>2000 pixel squares and aligned and stacked those 3 images using the >>free Registax6. >> >>Here is a screenshot image that shows the improvement made by this >>Registax6 processing. >>https://www.flickr.com/photos/pixelsmithy/15609849676/ >>Pixel-peeping has its place in astrophotography post-processing. >>:) >> >>This was simply to get the best image to perform post-processing on. >>I'm still learning to post-process solar images and so I followed the >>recipe given by this guy: >>http://www.perseus.gr/Astro-Tips-Solar-Process.htm >> >>Thanks to his reducing the image twice, this results in a smaller >>image than I would have liked (only 845 x 845) but I saved copies at >>each step and may go back and try to adjust his process to save a >>larger version. >> >>Here is the Flickr page of the final result: >>https://www.flickr.com/photos/pixelsmithy/15634739362/ >> >>Comments and criticism welcome in equal measure. >> >>Darren Addy >>Kearney, Nebraska > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Life is too short to put up with bad bokeh. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
