Originally posted by cgchang It can come in handy if you don't have an ND filter. You use the Multi Exposure or Interval Composite shooting modes and average out and stack exposures.
https://youtu.be/b3m9k76uf5k Yes, that will work, but the user should be aware that what you are getting are multiple exposures, not a time exposure. When done as described in the video, the end effect is similar to a long exposure but not identical. The caution note is that there is a time gap between exposures* and the possibility of strange results. Anything moving across the frame may take on a stuttered appearance. Say a bright white bird fully crosses the framed during a sequence of 10 exposures. In the final merge, there will be a gray streak in the path of the bird with 9 gaps.
Steve
* Mirror travel + shutter cock. It would be nice if Pentax offered Mirror-Up until (something) + electronic shutter, but that is not a feature.