No, it's the other way around: higher resolution will result in more blurry pixels if the initial image wasn't sharp to begin with.
Without more details about camera settings like shutter speed and aperture and other conditions like tripod use and subject movement it's totally impossible to guess what might cause unsharp pictures in your case.
Hello guys. I've recently bought a 1635gm and use it with A7III. It has been tested for indoor and outdoor shots. However, it seems that the images are not as sharp as expected, especially when files are opened on pc and the zoomed in details are not good. Is it because A7III does not have a high enough resolution?
My first deep sky image taken with the Alpha 6000 and the SEL200600G on an Ioptron CEM25P mount. The globular cluster Messier 13 in the constellation Hercules. Certainly not comparable to high resolution images from the Hubble telescope, but I like it. 40 images at 15s each (1800mm 35mm equivalent focal length, F13, ISO 1600), calibrated with darks and bias.
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Thanks. I've solved it meanwhile - turns out the timelapse app stores the videos on a separate subfolder within the SD card, not with the rest of the images/videos, and I saw them before because I was seeing them from within the app - the camera itself doesn't see them after you leave the app.