Protective filter… or not? I say beware of filter quality.

Started Apr 15, 2014 | Discussions thread
Michel J Veteran Member • Posts: 4,009
Re: Protective filter… or not? I say beware of filter quality.

cplunk wrote:

Michel J wrote:

Allan Olesen wrote:

heliguy wrote:

I cracked 2 uv filters last year, both Times they saved the front element from damage. So I really don't care @ the iq debate......

I will ask the same question to you as I did earlier in the thread:

How do you know that the filters saved the front element?

I personnaly saved the front element, when my 28-135mm knock a marble floor, attached to my Minolta 9000.

The glass of the UV was ruptured by the violence of the shock and I only could remove it by bending the metallic ring around (after removing the broken glass). The edge of the SH was bended as well, and I had to sent it to replace the metallic front element, by the customer service, but the front lens in optical glass was totally intact. He fell more than one meter high, and if the UV filter had not absorbed the shock, it was absolutely certain that the front lens which paid for it (and it would have been good for the trash) an assumption yes, but with strong probability!

It was just my luck !

Ever drop a pint glass on a tile floor and watch it bounce? Close inspection, and you can't find a scratch.

Glass can be made to be very tough. I suspect that most of the front elements on these lenses are made that way. The filters, not so much.

To confirm that, the only thing left for you is to try on, as I did in spite of myself...


(Ah! And I forgot the legendary MC/MD Rokkor 135mm F/2.8, used without a UV filter as protection: the result was many scratches -- some only on the multi-coating and two damaged the glass -- moreover a minuscule shard of glass escaped near a border, all due to differents impacts. But I confess I was very young at this time and floating off in my own thoughts...)

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Michel J
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