swansword

Not if it's down further than F5.6, because autofocus won't work at F8 and beyond.

My experience is if you can shoot at F4 1/125th, there's enough light for autofocus to work well. Although, as light falls off I find 200mm and up have more trouble with it. Setting spot focus does help. I find it difficult to believe that a F1.4 lens doesn't open all the way on focus. Then, it must open more to shoot at F1.4? But I suppose it's possible.

In the galleries I am unable to add info in the text box for camera, shutter speed and iso. The aperture box seems fixed at 0.0. I haven't been to the site for years. After reading this discussion thread, I wonder how much effort I should spend here.