Re: B&W 092 (89B) filter question

[Clive Warren <cocam@xxxxxxxxxxxxxxx>]

>
>Date: Mon, 18 Dec 2000 03:43:21 -0400
>From: Fred Greenspan <greenspan@xxxxxxxxxxxxx>
>
>I just took delivery of B&W 67mm 092 (89B) filter. Is it normal for the glass
>to be very loose in the metal ring? In other words, the glass is about 1/16th
>inch (1.5 mm) thinner than the track that it sits in, in the metal collar and
>can move freely between the outer ridges of the collar. It does not fall out
>of the collar. Thanks!-Fred Greenspan

The short answer is no it's not normal!  The glass should be held 
rigidly in the same plane as the lens glass. These filters are not 
cheap so send it straight back for a replacement or refund.

-- 
All the best,

             Clive    http://www.cocam.co.uk
                      Photographic Services, Filters and Equipment, Infrared FAQ
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