Leica UVa Filter 13386 - Glass is loose

[bherman01545]

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I have a Leica UVa filter ref: 13386 and noticed that the glass is a tiny bit loose. If I tap the filter I can hear it rattle around a bit and also noticed it when I was cleaning it. Not like super loose, but I can hear it moving around.

Is this normal?

The B+W and Heliopan filters have a more precise brass mount and I believe that there is a retaining ring which is tightened down around the glass to keep it tight and flat. Are the Leica filters simply expensive and over-hyped?

-Brad

[bherman01545]

It may be entirely normal. I found this thread from quite a few years back on Photo.net. I believe that Leica and many other filter manufacturers design the filters this way to allow for expansion/contraction due to temperature changes. Maybe the B+W and Heliopan filters do the same thing, but in a more subtle and less noticeable way? 

https://www.photo.net/forums/topic/37022-leica-filter-loose/

[Anbaric]

2 hours ago, bherman01545 said:

Are the Leica filters simply expensive and over-hyped?

It's generally assumed that Leica outsources them to one of the major filter manufacturers, and they are 2-3x the price of comparable high quality filters, so...