08 August 2020

At The Limits

Canon M50, EF-S 55-250; f/5.6, 1/1000", 250mm, ISO 640.  Tripod, manual focus, cropped a lot.

You can just barely make out banding on Jupiter.

I can't get better with the equipment I have thanks to my gigantic pixels compared to FuzzyGeff's or a full-frame camera.

All in all, I'm happy with this because I feel like I worked hard to get it.
Posted by Angus McThag at 22:46
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4 comments:

  1. Beans09 August, 2020 00:57

    About as good resolution as what Galileo had, so you're doing okay.

    Now, use a telescope and mount the camera over the viewing lens (or use a binocular) and see what you get.

    ReplyDelete
  2. skybill09 August, 2020 02:18

    Cool Beans G.I.!!!,
    Keep up the good work!! Looking forward to more "Good Stuff!!!"
    skybill

    ReplyDelete
  3. SiGraybeard09 August, 2020 11:42

    The single most important thing you could do to get an improvement is to use a mount that tracks the sky. After that, the most successful approach is to take a bunch of photographs and stack them.

    https://www.astronomie.be/registax/

    This used to be the standard program everyone used but I haven't messed with it since the view from my backyard shrunk too much. Surprisingly, some of the best pictures came from using a webcam on the telescope and stacking a few minutes worth of exposures.

    ReplyDelete
    Replies
    1. Angus McThag09 August, 2020 14:43

      I am eyeing a couple of equatorial mounts and a better tripod.

      Being unable to get a true infinity focus with the EF and EF-S lenses through the EF-M adaptor is part of the frustration. Both my adapted lenses go past infinity when at full-stop.

      The "zoom in" focus function doesn't zoom in enough to see if I'm getting what I want and the adjustments are a little coarse. It's easy to fat-finger out of focus.

      Pixel size appears to be a factor here from what FuzzyGeff is saying.

      There's supposed to be a 300mm EF-M lens coming soon, we'll see if it will auto-focus to infinity since it's not adapted.

      Delete

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