Ernie Misner
Forum Pro
I think I'm seeing artifacts in the bokeh (makes my eyes hurt), possibly from the VR.All these images are suffering from atmospheric air disturbance ...... none are sharp and the bokeh is poor because of it .....The following are examples of the double-line bokeh taken with the Z 400 f/4.5. They're not artistic nor technically good - just examples I could find quickly.I respect others experience and opinions but I have hundreds of photos with the 400 f4.5 I could post and none of them, even with the TC1.4, show terrible bokeh like this.I don't believe this is limited to PF lenses - I've got an example shot with my old f-mount 500mmf/4 VR AF-S that shows the same busy double-line bokeh. I believe I've seen the same with the 200-500 f/5.6 VR lens on a D810/D500 as well. Also the same experience with my Z 400 f/4.5... I've got to say that my "awareness" of these types of busy bokehs has been growing over the last 5-10 years.I'm wondering if this is a PF lens thing. I don't own any PF lenses, but I've seen others complain about a similar issue. I've never seen this with any of my Nikon telephoto lenses, but they are not PF.
Show me yours and I’ll show you mine. lol.![]()
Images above were all taken with the Z 400 f/4.5, mostly on a Z9. Some busy bokehs are obvious, others you may need to examine under more magnification. Your shooting experience and situation are undoubtedly different than mine - but this is my experience... the busy bokeh seems to affect many long lenses, PF or otherwise, and includes the Z 400 f/4.5.
[Edit: I had to edit out one photo - it was not shot with the 400f4.5.]
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Ernie Misner




