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Now, read back your description, something is not right. I don't have 300 and 500G, but with Nikon long good glass like those adjust 10 without changing confirmation sounds seriously wrong to me.
I pop my 55otus and 85/135 art this morning to double confirm this, all three give me extreame narrow window of confirmation. Even slightly fine tune focus will make arrow light up.
I remembered I did fine tune 55OTUS that even change 1 or two in each direction will light up arrow if I perfectly focused in LV.
Can you briefly describe what did you do? And have you try them in field to rely on focus confirmation to focus? Did you hit focus? If not, how it missed? Under bright light condition, you don't need tripod, just stand there, focusing, check results, if missed, adjust, check again.
I really don't expect it will fail for lens like 328 or 504. Though I never handle those long glass, but experience from sigma 135, I really dont see how it can fail.
The tip I was given in above reply are mainly for D810,750,600,DF etc. D850 is much reliable.
Hillrg` wrote:
I'm getting a fine-tune range of around 10 for the Nikon 85/1.4, 300VR and 500VR lenses. I'm just saying my experience is different than yours Michael. I don't think this is a matter of brains either. :*) I'm an experienced photographer and I thoroughly understand the Nikon system and how focus works - that's why I'm interested in your claims as they are different than my experience. I do agree the focus dot window is more accurate than the D810. And check the colour of the dot on your D850. :*)
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