![]() This means you need to use 'BULB' mode on the camera with an external intervalometer plugged in to the accessories socket on the camera (The Nikon software does directly not support bulb mode longer than 30 seconds). If you attach the camera directly to you telescope (no lens) then all AUTO FOCUS functions in the camera will not work.Īnother issue is that for astro work you will need to use long exposures (other than for the moon and a couple of the planets) greater than 30 seconds which is, as far as I can recollect, the maximum exposure length the nikon intervalometer will allow. even then, the autofocus will have problems as you say (freak out). That would only be possible when using the camera with a lens attached. I know AF will freak out with the dim light from stars. ![]() I think for focus i'll manually focus to near where it needs to be, switch AF back on then use the fine tune controls to achieve absolute focus. You can set where images are stored too, Card, PC or both. I am thinking this technique could be superb for finely focussing on stars and as I can then control the intervalometer settings from the macbook it would make a great wide field imaging setup? I could then fine tune it with the +/- buttons, it was a couple of steps out. Pressing AF brings it to where the camera/lens thinks focus is. I then used live view on the mac to 'zoom' to 100%, this showed only the monkeys eyes (little black dots against a white background). I set the lens to 300mm and framed my target, a toy monkey. It also offers a one press auto focus as well as AF fine tune +/- that drive the focus motor one step at a time. Fired up the software and had full control over the camera including exposure settings, jpeg/raw settings, bracketing, HDR, intervalometer and live view. I set up my D5100 on a tripod with a Tamron 70-300 telephoto lens, popped the camera in Manual mode with AF turned on and plugged it in to the macbook. Had a quick play yesterday (just in the garden, not astro) and I am very impressed with its capabilities. I've been given a copy of nikon camera control pro 2 for use on my macbook with my D5100.
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