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Help! 28/2.8 AIS - Front element rotates during cleaning


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ZoneV Silver Member Nikonian since 08th Jan 2005
Wed 11-Jun-08 01:21 AM | edited Wed 11-Jun-08 01:23 AM by ZoneV

My 28/2.8 AIS front element needed cleaning. I noticed that while wiping in a circular motion with the lens tissue as recommended, the element began to rotate along with the lens tissue.

I knew the lens had CRC (close range correction) so I didn't panic. I focused and watched the front element. It rotated during focusing (the filter ring remained fiixed). Some googling turned up that this is normal for the lens due to the CRC.


But what I'm not sure about is that cleaning experience. Should the element have rotated along with my lens tissue when I applied pressure and wiped in a circular motion. I hope I didn't accidently un-calibrate the CRC!

Any ideas?


Nikon user since 2000