Camera shake bug when wireless remote shutter and intervalometer are both enabled?
Not sure whether to post this here or under the K-r section. Trying here in case other camera models might do something similar.
Last night I was taking astrophotographs mounted on a telescope. I was using wireless remote shutter for single long-exposure bulb shots, and the K-r intervalometer for stacks of shorter exposures. My intent was to compare the results of one long-exposure to a post-processed stack.
At one point during the night, I set the intervalometer to take 10 photos separated by 40 seconds. (I was shooting in manual mode with a 30 second shutter speed, ISO 1600, SR was off). I started the interval and pressed the shutter button on the camera to confirm. The camera started vibrating/buzzing as soon as I pressed the shutter button.
I waited around 5 seconds while the buzzing continued, then turned off the camera. I turned power back on, confirmed settings, and tried the intervalometer again. Vibrating/buzzing repeated. I cycled power.
I reviewed my photos and confirmed that my last 2 photos (the ones I turned off power during) were saved on my memory card. As expected, the photos were blurred from extreme shaking. It was almost as if the sensor cleaning was active while the photo was being exposed. A double-check confirmed that SR was off, so it wasn't a SR+tripod problem. I then tried 1 single exposure and it came out okay so my camera wasn't hopelessly broken.
I reviewed all my camera settings. The only thing I noticed was that my shutter mode was set for 3 sec wireless remote. I was using that earlier for bulb mode. I changed the shutter mode back to 2 sec delay (non-remote) and retried the intervalometer. This time it worked fine. I took another 20 photos and some video with no further issues.
Has anyone experienced anything similar to this? I haven't tried to replicate it again, fearing camera damage. I am using a K-r with the original firmware.
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