AF-S 18-200 VR M/A AF Faulty

[robotech]

Anybody got this problem with using the M/A manual focus override for some time and the lens refuse to AF after that? Got to send back to nikon for servicing.

I heard from some people that the M/A function of these lens tend to wear off after a while if you use the manual focus.

[lsisaxon]

Originally Posted by robotech Anybody got this problem with using the M/A manual focus override for some time and the lens refuse to AF after that? Got to send back to nikon for servicing. I heard from some people that the M/A function of these lens tend to wear off after a while if you use the manual focus.

What's the humidity setting of your dry cabinet?

[smalltiger]

Originally Posted by lsisaxon What's the humidity setting of your dry cabinet?

Brother can you kindly let me know what is the best humidity setting cos I just set to below 50. Thanks In Adv

[shocky]

Originally Posted by smalltiger Brother can you kindly let me know what is the best humidity setting cos I just set to below 50. Thanks In Adv

optimally 45-50%..

But for such lens that extend alot during usage, i presume that they have quite poor weather sealing. The 18-200 sigma and tamron i had seems this way as well.

Probably taking out to use at least once a week will be good.

[robotech]

Originally Posted by lsisaxon What's the humidity setting of your dry cabinet?

Humidity is 46%.

It's quite heavily used too.

[lsisaxon]

Originally Posted by robotech Humidity is 46%. It's quite heavily used too.

Hmmm.. I used to have the AF-S go dead also but somehow it came back alive after a while of working out, ie half press, release, half press, release...... RH of 46% should be ok, mine fluctuates between 45% and 50% depending on weather conditions. So far my lens is still ok.

[robotech]

Originally Posted by lsisaxon Hmmm.. I used to have the AF-S go dead also but somehow it came back alive after a while of working out, ie half press, release, half press, release...... RH of 46% should be ok, mine fluctuates between 45% and 50% depending on weather conditions. So far my lens is still ok.

Hmmm...see wat NSC says...still not back yet..

[smalltiger]

Originally Posted by shocky optimally 45-50%.. But for such lens that extend alot during usage, i presume that they have quite poor weather sealing. The 18-200 sigma and tamron i had seems this way as well. Probably taking out to use at least once a week will be good.

Thanks alot

[Akade]

I send in mine 2 weeks ago. AF-S 18-200 VR M/A AF Faulty also. Mine is still under warranty.

Nikon Service Centre informed me that the spare parts for the replacement will only arrive at the end of the month and they need 1/2 weeks after that to service it....