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Showing results for tags 'canon 6d'.
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Hi Just tried out my new (to me) Canon 6D Mk1 at Galloway Star Party and discovered that my Windows 7, 64bit laptop doesn't see the camera when I try to connect it by USB, so I can't control it with BackyardEOS. I've checked the device manager and it just doesn't come up when connected and switched on plus I've tried different USB ports. However, I don't have the same problem when I do the same with my Canon EOS 450D using the same cable with the same laptop. Am I missing something important here? Pretty frustrating given it's the first time I've been out under a sky that good in a long time Thanks in advance, Tom
Hi, I continue to get my Star Adventure to perform better. One very big problem if you have a camera that you can not tilt the display at, no tiltable display. I have the Canon 6D. It's almost impossible to see the display and do settings when the camera aim upwards to the zenith. I have until now used a very tall tripod, but that is something very big and not so friendly when travel. Instead of buying a new camera I now test to use an app in my smart phone and used that to see the display in live view from the camera. I have written a tutorial in an early stage of how I do that: http://www.astrofriend.eu/astronomy/tutorials/tutorial-canon-remote-control/page01-tutorial-canon-remote-control.html I will correct and add more information when I get more experience from this. I'm sure most of you alreday have done this, my concern is, how hot will the camera be. I have bad experience from this from earlier test with live view. /Lars
I have for a long time wanted a lens to my Canon DSLR fullframe in the range of 120 mm to 180 mm with high quality. Often the Canon 200 mm 1:2.8 are told to be of good quality for astrophotography. Half a year ago I found a used Sigma 150 mm 1:2.8 APO lens. I have read reviews that it's good for normal photography but almost nothing about astrophotographing. I have done some simple tests of it with photos of M31 Andromeda and M45 Pleiades. If I set the aperature to 4.0 I get sharpness of the stars in the corners and not too much vignetting. I feel this will be a good lens for my future needs. I like those widefield photos where you see the space around your deepsky objects. You can read more on my homepage: http://astrofriend.eu/astronomy/projects/project-sigma-150mm-f2_8-lens-vignetting/project-sigma-150mm-f2_8-lens-vignetting.html There is also a fullresolution image of each, look at that! I used it on my Canon EOS 6D camera and a light weigth Star Adventurer mount. Note that the polar alignment is not perfect and I havn't spent much time to get the color correct. Anyway, what's correct colors on a astrophotography? I used AstroImageJ with my own macros and Fitswork to process the image. I wrote this to inform others like me that seek information about this Sigma lens. Hope it helps somewhat. /Lars