Images from a recent session with my SIGMA 150-600mm/SONY A6300; all turned out quite fuzzy when I inspected them in LIGHTROOM. I was shooting eagles some in flight and others perched from about 100 yards+/-.
I had forgotten my reading glasses at home so I guess that is why the preview images didn't look so bad.
I determined on later checking the lens that I had set the AF selector inadvertently to MO(manual over ride.) Lens was mounted on a tripod and Gimbal head optical stabilization was off. Shutter was in AFC and focus area was set for wide capture. Lens was mostly wide open and focal length was between 400-600mm and shutter speed averaged 1/1500sec. A6300 was in manual exposure with IOS set to AUTO.
Could I be correct in assuming that because lens was in MO mode and OSS was off; this the reason for the blurry files? I have been getting sharp images with This lens set in AF mode up til now.
To test this I subsequently did a series of test shots in AF and Mo modes. all other settings were the same. AF was sharp MO was fuzzy.
