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Got it. I think this does not matter cause if FB affects my experiment much, the stacker would fail or render bad results.

That may well work for Macro. For landscape, I prefer the far point to be infinity, i.e., clouds without "pointing" it.

BTW is my Yosemite project realistic?

I haven't considered the possible focus breathing issue in my experiment. If this issue affects the focus shifting with the Sigma lens, how do you verify it in my experiment results? It seems that there are only prime T-S lenses, and no zoom lenses working on T-S. And all T-S lenses are MF, if...

Mind asking how far you were away from the bird?

Thanks, Fred. The Focus Step Calculator works more effectively and accurately for Canon's "focus increment" setting. But it contradicts Nikon's "focus step width" setting (see https://nps.nikonimaging.com/technical_solutions/d850_tips/useful/focus_stacking/ ). May need more experiments to...

My next project (when the weather turns and all view clears) is to shoot a Yosemite scene from far (miles) away (see below screenshots from Google Earth). 4X zoom (clearly see the Half Dome in view) Since the view is so far away, I plan to use Sigma 150-600mm lens to reach/catch the main...

Congratulations to Marilynne!!!

What right stick? For a nest?

Don't worry, it's always the other way around! Enjoy your Z9 adventure.

Congratulations to nikonbill!!!

Just what I thought and why I hesitated to get the dock. Thanks

Sigma's latest firmware update for the Nikon mount was dated 3/14/2019: 【Benefit of the update】 ・It has improved the stability of the image in the viewfinder, making it easier to confirm composition, thanks to the updated control algorithm of the Optical Stabilizer. I purchased a new one on...

If he opened his jaw, definitely be very powerful! Still great shot.

Just found out that my Sept 2022 acquired new Sigma 150-600C has an unknown version of firmware installed because don't have a dock to check it. I contacted Sigma for an answer and got no straight answer of knowing my piece version unless using a dock to check/update (serial # won't help). Also...

It puzzles me but I'm not young at all.

Look like this bird was hit by sunrise... Great shot!