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Thread: Canon 6d mark ii

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    Default Canon 6d mark ii



    Anyone imaging with a 6d mark ii?

    I bought a t6i back in 2015 right when I came out. I later discovered that there was an issue with the 6ti when using it for long exposure image stacking that all but excludes this model from Astro photography. After fighting the problem for a couple of years I bought a t3 used for 160$ from amazon and have had fantastic results.

    I started using my t6i for terrestrial images and when using it within its capabilities itís a great little camera. I Want to move into a full frame body that I can continue to use my canon lenses for terrestrial imaging. it would be nice to also use a newer camera with all the bells and whistles while imaging with my telescope.

    If you have any experience with this camera body please let me know.
    Telescope: Celestron NexStar 6SE, Explore Scientific ED-102 APO, Explorer Scientific ED-80 APO Auto-Guider: Orion Magnificent Mini Deluxe AutoGuider
    Mount: CGEM Camera: Canon T3 Eyepieces: Wide Range of Plossl's, 2x Barrow
    SoftwarePHD2,BackyardEOS, Deep Sky Stacker or Sequator, Lightroom CC desktop, Photoshop, Astro Pixel Processor

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    Default Re: Canon 6d mark ii

    Out of curiosity, what is "the issue" with the T6i for AP Imaging?? Both BackyardEOS and APT have a large number of Customers listed using the T6i...
    ES AR152 / ES 80ED Apo / Orion 8in F/3.9 / C9.25-SCT / C6-SCT / C10-NGT / AT6RC / ST-80 / AstroView 90 / Meade 6000 APO 115mm
    CGEM (w HyperTune and ADM bling) / 2x CG5-AGT / Forest of Tripod legs / Star Adventurer / Orion EQ-G
    550D (Modded-G.Honis) / 60D / 400D / NexImage / NexGuide / Mini 50 SSAG / ST-8300C / ASI120MM-S / ASI1600MM-Cool
    Dark Skies in SW CO when I can get there, and badly light polluted backyard when I can't... (Currently Self-Exiled to Muggy Central Florida...)

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    Default Re: Canon 6d mark ii

    Using a Full-Frame DSLR for AP Imaging has significant Challenges.
    1) It exposes most EVERY FAULT in your Imaging System - from Excessive Vignetting (the 6SE will not be able to illuminate the outer 30-40% of the Sensor; the 80ED will have some issues unless you use a "Wide Bore" T-Adapter; the 102ED should be OK with a standard 2in T-Adapter) to Lens Correction Flaws in the Periphery of the Lens (correction is always concentrated nearer the Center of a Lens - leaving the Edges less well Corrected) to simple Flexture due to the heavier Weight of the FF DSLR
    2) It produces larger Output Files, which take Longer to Download (6DmkII is still only USB2) - and even Longer to Process
    3) Many if not most of the updated Features are not directly usable for AP Imaging - WiFi, AutoFocus, Exposure Control, High ISO, 4K Video
    4) The GOOD NEWS is that the 6DmkII is Well Supported for the Basic Operations by Canon's SDK - otherwise Imaging Apps like BYE or APT or SGP could not control it remotely
    John999R likes this.
    ES AR152 / ES 80ED Apo / Orion 8in F/3.9 / C9.25-SCT / C6-SCT / C10-NGT / AT6RC / ST-80 / AstroView 90 / Meade 6000 APO 115mm
    CGEM (w HyperTune and ADM bling) / 2x CG5-AGT / Forest of Tripod legs / Star Adventurer / Orion EQ-G
    550D (Modded-G.Honis) / 60D / 400D / NexImage / NexGuide / Mini 50 SSAG / ST-8300C / ASI120MM-S / ASI1600MM-Cool
    Dark Skies in SW CO when I can get there, and badly light polluted backyard when I can't... (Currently Self-Exiled to Muggy Central Florida...)

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    Default Re: Canon 6d mark ii

    Quote Originally Posted by seigell View Post
    Out of curiosity, what is "the issue" with the T6i for AP Imaging?? Both BackyardEOS and APT have a large number of Customers listed using the T6i...
    Banding when stacking multiple images. Take a look at this post. https://www.cloudynights.com/topic/5...ng-help/page-3

    It took a while after I purchased the t6i before others started posting the issue. I noticed it when I finally got everything in my rig squared away and I was able to get past that 3 minute sub mark. I have reached out to canon and they told me I was using the camera outside the specifications of the camera.

    I fought with it for about a year and stopped taking astrophotos. Once I finally started seeing other people post about the problem I bought a used t3 body and the lines went away. I have read that both the 5d and 7d have this issue.

    The primary reason for getting the 6d is terrestrial photography and night landscape. The t3 does a great job but if i donít have the banding issue with the 6d I will Use with my telescopes.
    Telescope: Celestron NexStar 6SE, Explore Scientific ED-102 APO, Explorer Scientific ED-80 APO Auto-Guider: Orion Magnificent Mini Deluxe AutoGuider
    Mount: CGEM Camera: Canon T3 Eyepieces: Wide Range of Plossl's, 2x Barrow
    SoftwarePHD2,BackyardEOS, Deep Sky Stacker or Sequator, Lightroom CC desktop, Photoshop, Astro Pixel Processor

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    Default Re: Canon 6d mark ii

    Quote Originally Posted by seigell View Post
    Using a Full-Frame DSLR for AP Imaging has significant Challenges.
    1) It exposes most EVERY FAULT in your Imaging System - from Excessive Vignetting (the 6SE will not be able to illuminate the outer 30-40% of the Sensor; the 80ED will have some issues unless you use a "Wide Bore" T-Adapter; the 102ED should be OK with a standard 2in T-Adapter) to Lens Correction Flaws in the Periphery of the Lens (correction is always concentrated nearer the Center of a Lens - leaving the Edges less well Corrected) to simple Flexture due to the heavier Weight of the FF DSLR
    2) It produces larger Output Files, which take Longer to Download (6DmkII is still only USB2) - and even Longer to Process
    3) Many if not most of the updated Features are not directly usable for AP Imaging - WiFi, AutoFocus, Exposure Control, High ISO, 4K Video
    4) The GOOD NEWS is that the 6DmkII is Well Supported for the Basic Operations by Canon's SDK - otherwise Imaging Apps like BYE or APT or SGP could not control it remotely
    I donít really image with the c6 other than using my planetary video camera. Itís not a great imaging scope for dso. I use it almost exclusively for visuals and the occasional Jupiter and Saturn imaging.

    I usually put a 30 second pause between images in the warmer months when I am pushing past the 3 minute exposer length to get a consistent and a little cooler sensor temp. Once everything is set I will also just save to the sdcard and bypass saving through usb to the computer.

    Good to know about the higher sensitivity to problems with the I-train. Looks like I will try it out on the 102 first. The t3 as been attached to my ed80 for over six months now and seems like it will stay there until I can find a wide bore t-adapter.

    Thanks for the heads up.
    Telescope: Celestron NexStar 6SE, Explore Scientific ED-102 APO, Explorer Scientific ED-80 APO Auto-Guider: Orion Magnificent Mini Deluxe AutoGuider
    Mount: CGEM Camera: Canon T3 Eyepieces: Wide Range of Plossl's, 2x Barrow
    SoftwarePHD2,BackyardEOS, Deep Sky Stacker or Sequator, Lightroom CC desktop, Photoshop, Astro Pixel Processor

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    Default Re: Canon 6d mark ii

    When I was considering a full frame, I read a number of reviews and comparisons, those that pitted the 6D II against the older 6D and to my surprise and disappointment, the 6D was the better performer for astrophotography. At the time I liked the one feature of the 6DII and that was the variable screen, a feature that saves you from having to contort in order to see what's on the live view screen. Since then I've been using the Canon 60Da, a crop sensor, but very capable unit and I've been very happy with it. However, like many in this hobby, there is always something else and for me it might be the lack of cooling and I think this feature would be a welcome upgrade. My interest has pointed me in the direction of the ZWO ASI CMOS cameras, I don't want to take any leaps with new and complicated learning curves, so starting off with a cooled one shot color camera and increasing my post processing skills sounds like a plan that makes sense, to me anyway.
    AstroTech 106 Triplet APO, Celestron 11" EdgeHD, AstroPhysics 900GTO, Canon 60Da and a bunch of other stuff.

 

 

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