Kingstepper

I’ve bought a Nikon 500mm f5.6 for my X-T5/Fringer adapter. Will the effective focal length (and magnification) be the same as a 500mm Fuji (if there were such a thing) or will it be like a ~700mm (ie 1.42x). Thanks!

S, autofocus (if that's what you mean).

My AF ON button will only work when pressed. I've set AE/AF-LOCK MODE to Switch (S). The AEL button does work as expected, either locking or when pressed depending on above setting.

Hello All from new member here in UK. I've owned Fuji cameras for several years and at present have X-T3 and (too!) many lenses. One problem I have is - I'd like to start astrophotography and possibly use my 100-400mm lens. This will move zoom if left pointing upwards during a long exposure. Anyone else had this problem and a solution? Electrical tape?