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Hello:

I just picked up a nice used 21 f/4 and I’ve been very happy with the quality and results.  One thing I noticed this morning when I went to brush some dust off the lens is that the filter installed appears to be thin plastic.  Like if you tap it with a finger nail it flexes.  Seems pretty cheap.  

I messed with it for a few minutes to see if I could unscrew it but it is pretty tight.  Before I really attack it I wanted to ask: anyone have experience with this lens filter attachment?  Should I be able to unscrew it?

Thanks,
Kevin

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Mystery solved.  I realized that the outer most ring is just a lens hood, which unscrews...allowing the filter to be unscrewed.  Also figured out that the filter felt cheap because it was a little loose.  When I tapped on it, it rattled.  Once disassembled everything looks like good quality.

 

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Yes, I do have the gaffer tape to keep the camera from freaking out over the exposed code reader.  I’ll have to look at the firmware updates to see if that is addressed.  I’m always a reluctant firmware upgrader...something else could be screwed up that is more important to me than what gets fixed.

Thanks for the heads up on that though!

 

 

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