D.R. Smith Posted March 10, 2021 Share Posted March 10, 2021 (edited) Hi all. I thought I knew how to take long exposure photographs, but evidently I was wrong. My previous experience was with a Canon 80D DSLR. I've never tried it with a mirrorless camera. I don't do it very much but went out a couple of times the last couple of weeks to brush up on it and had some weird results. I currently shoot with a Sony A7RIII. I was using a 10-stop ND filter mounted on a Tamron 17-28mm lens and wanted to use f/8 aperture. I had my ISO set at 100. I set the composition then put the filter on. I was just playing around so I didn't have a particular exposure time in mind for the clouds I was using as my subject, I just wanted to do something like between 3 - 5 seconds. I was in manual mode. As I was adjusting my shutter speed I noticed that my aperture started to change. I didn't think that was supposed to happen. Clearly I don't know what I'm doing. Was hoping you could recommend a good tutorial that would help me get back on track. *Please note I also tried this with a Sony 70-300G OSS lens and had the same issues. Any help would be appreciated. Thanks!!! Edited March 10, 2021 by D.R. Smith Link to post Share on other sites More sharing options...
Advertisement Posted March 10, 2021 Posted March 10, 2021 Hi D.R. Smith, Take a look here Long Exposure Tutorial - Sony A7RIII - Having trouble. I'm sure you'll find what you were looking for!
LiveShots Posted March 11, 2021 Share Posted March 11, 2021 Was Live View on? I seem to recall something about this happening, I can’t remember where I saw it... I’m wondering if it was a Mark Galer video Link to post Share on other sites More sharing options...
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