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Re Quote : Also, my focus knobs seem to be a little jerky especially when using the smaller lenses. Can I smooth them out a little?
Hi John, Im wondering if the focus knobs are a little tight, this can cause a degree of jerkiness with Rack & Pinion focus assembly's.
There should be two small screws holding the support plate under the focus axle assembly, if you think the focus is tight, then you could try backing off the tightness of either screw a smidge if this is the case, but beware you dont back it off too much as then the focus tube might slide down on its own ? Not a drama, Just need to adjust to find a happy medium ! !
Hope this is of help !
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