Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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This question (or a variation on it) pops up periodically, and one thing that I think hasn't received much attention is how much more there is to this than "adding an autofocus motor" eludes to. (And, I enjoy exploring into the realm of the somewhat ridiculous.) Honestly, adding an "autofocus" motor is not going to be hard. Grab a small and speed-reduced ...


How can I modify my NIkon D5500 so I can make a vintage lens auto focus? You can't. I learned that using a TC-16A AF Teleconverter 1.6X might help ... Whatever you learned is probably wrong. From my googling it looks as if the TC-16A was designed to turn AIS lenses into AF lenses (i.e., an interim step to add electronic communication and the ...


Modern Pentax SLRs don't have stop-down aperture coupler on the body mount - mechanical linkage that links to lens aperture ring. Why? Because modern cameras communicate with the lens using electronic or digital signal protocol, thus rendering mechanical protocol unneeded. Because mechanical components have higher costs (more finely machined, moving parts) ...

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