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Forum: Pentax SLR Lens Discussion
09-08-2018, 12:20 PM
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Changing the shutter speed DOES change the exposure. :)
With the K-1 (and K-3II) you can use liveview and get a decent idea of the image and achieve focus with the ND on and thus use the camera's meter with the ND on to achieve correct exposure. But if you are using the optical viewfinder only then it will likely be too dark to focus with the ND on. Hence the recommendation to set exposure and focus first then put the ND on and adjust the speed per the number of stops the ND is changing the exposure.
Either system works. I find on a tripod it is easier (for me) to just set the filters the way I want and use liveview to compose, focus and set the exposure. YMMV.
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