I use a large heavy-duty Sirui bullhead when shooting off a tripod with big
glass. It’s been excellent for several years, smooth and solid. But I think it
may have picked up a few specks of dirt here and there, and now it has a bit of
a tug and hesitation in its movement. I’m wondering if anyone has tried
lubricating a bullhead with light oil. I think that may make matters worse by
attracting dirt. I can clean it somewhat by rotating it to extreme positions
while wiping it down, but that doesn’t seem to fully solve the problem. Is lube
okay or a bad idea?
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