Ok, now things are getting interesting, in more ways than one.
So, I started taking this photo last night at about 9:00pm. It's at ISO 100 and f7.1. Overnight I just had one 10 stop ND filter on the lens. This morning, when I got up for work, I put another 10 stop filter on the lens so that it would not get over-exposed throughout the day. We had a little bit of snow during the day today. But, this afternoon was sunny, so I was worried that the photo was going to get over-exposed. I was also a little late coming home from work. For this photo I just manually locked up the button on my intervalometer so I wouldn't have to worry about the batteries dying in it. I got home from work a little later than I wanted, so this made me more concerned that I was just going to come home to a very over-exposed photo.
Well, once I got home, I noticed the record light on the camera was no longer on, and the top LCD display had shut off completely, despite the fact that the camera is running on an AC adapter, and auto-off is set to disable. I cycled the power switch off and then back on, and the camera came back to life. I was worried that whatever malfunction caused the camera to shut off would have also made me lose the photo, but fortunately, the photo was recorded.
The timestamp on the photo is at 1:33pm today, and the exposure time is 55093 seconds, so it appears that the longest exposure you can take, at least on a 6D, is about 15 hours.
Unfortunately, the focus is not great, which might have been due to me bumping the camera or lens when I was putting the additional ND filter on this morning. But, nonetheless, there are some neat things going on in the photo.
First off, clearly you can see that someone moved the car on the right side of the photo. I think it's parked there now, so obviously they parked it there during the photo. You can see porch lights on the houses turned on somewhat brightly, which obviously happened during the night time part of the photo. You can also see the sheetmetal of some of the cars has white highlights, which I think are reflections from my neighbor's porch light. The red colors in the windows of the truck on the left are, I'm almost positive, reflections of the stop light at the other end of the block (these probably happened overnight too.)
However, the most interesting part is the side of the truck on the left. The truck was not there when the photo started at night, but it's there now, so it parked there during the photo, probably before the sun came up. What is interesting though is that if you look at the side of the truck, you can see a faint image of my neighbor's front yard without snow on it. Since I think the truck was parked there before daytime, and before the snow came, it protected that part of the image from getting washed out and over-exposed by the snow on the ground. So, you can still the yard as it was last night, illuminated by the porch light, with no snow on it.
So there you have it, a 15 hour exposure.
So, I started taking this photo last night at about 9:00pm. It's at ISO 100 and f7.1. Overnight I just had one 10 stop ND filter on the lens. This morning, when I got up for work, I put another 10 stop filter on the lens so that it would not get over-exposed throughout the day. We had a little bit of snow during the day today. But, this afternoon was sunny, so I was worried that the photo was going to get over-exposed. I was also a little late coming home from work. For this photo I just manually locked up the button on my intervalometer so I wouldn't have to worry about the batteries dying in it. I got home from work a little later than I wanted, so this made me more concerned that I was just going to come home to a very over-exposed photo.
Well, once I got home, I noticed the record light on the camera was no longer on, and the top LCD display had shut off completely, despite the fact that the camera is running on an AC adapter, and auto-off is set to disable. I cycled the power switch off and then back on, and the camera came back to life. I was worried that whatever malfunction caused the camera to shut off would have also made me lose the photo, but fortunately, the photo was recorded.
The timestamp on the photo is at 1:33pm today, and the exposure time is 55093 seconds, so it appears that the longest exposure you can take, at least on a 6D, is about 15 hours.
Unfortunately, the focus is not great, which might have been due to me bumping the camera or lens when I was putting the additional ND filter on this morning. But, nonetheless, there are some neat things going on in the photo.
First off, clearly you can see that someone moved the car on the right side of the photo. I think it's parked there now, so obviously they parked it there during the photo. You can see porch lights on the houses turned on somewhat brightly, which obviously happened during the night time part of the photo. You can also see the sheetmetal of some of the cars has white highlights, which I think are reflections from my neighbor's porch light. The red colors in the windows of the truck on the left are, I'm almost positive, reflections of the stop light at the other end of the block (these probably happened overnight too.)
However, the most interesting part is the side of the truck on the left. The truck was not there when the photo started at night, but it's there now, so it parked there during the photo, probably before the sun came up. What is interesting though is that if you look at the side of the truck, you can see a faint image of my neighbor's front yard without snow on it. Since I think the truck was parked there before daytime, and before the snow came, it protected that part of the image from getting washed out and over-exposed by the snow on the ground. So, you can still the yard as it was last night, illuminated by the porch light, with no snow on it.
So there you have it, a 15 hour exposure.
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