[rollei_list] Re: Harrison and Harrison filters - an answer from H&H
- From: "Eric Goldstein" <egoldste@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Wed, 16 May 2007 13:08:30 -0400
Filter quality and its effect on the image is one of the great black
boxes of photography. At least one, and I believe several, of the
photo mags tested filter quality and if memory serves me right found
it all over the place with no correlation between price and quality
and little consistency from year to year across brands.
Clearly H&H will be of the opinion that such markings on the filter
glass will not obviously harm image quality or they would not do it.
Whether or not this is accurate information across all shooting
situations is still very much an open question in my mind, and I agree
with Richard Knoppow's view posted earlier...
Eric Goldstein
--
On 5/16/07, Robert Lilley <54moggie@xxxxxxxxxxxxx> wrote:
Jim et al,
I talked to Harrison & Harrison and one of the Harrisons told me that the
nomenclature on the filter glass itself will not affect pictures as long as
it is in front of the nodal point of the lens. Of course he told me to take
some pictures and get back to him if there are problems. He added that this
is how Harrison and Harrison gets away with dot screens on filters - which
they are famous for. "Been doing it this way for 78 years"
Rob
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