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Posted by Spex on 03/13/07 08:34
PTravel wrote:
>
> "beowulf@nowhere.net" <r.oelerich@gmail.com> wrote in message
> news:1173740307.838953.278010@n33g2000cwc.googlegroups.com...
>> On Mar 12, 1:15 pm, "PTravel" <ptra...@travelersvideo.com> wrote:
>> ..
>>> I always use a UV filter. Filters cost a couple of bucks. A lens costs
>>> many hundreds.
>>>
>>
>>
>> That has always been my philosophy, and what I do with my cameras. But
>> then a couple of people over on the dig photo usenet forums were
>> saying NOT to do that, to just use the lens covers smartly, that
>> lenses is scratched can be fixed with "lens ink" and that more damage
>> can be caused by a broken lens filter scratching the lens, and then
>> the risk of lens flare from using filters. It really goes against what
>> I have always believed.
>>
>
> "Lens ink"? Lenses are precision ground -- a scratch is going to cause
> far more image degradation and flare than a filter. As for flare,
> multi-coated high-quality filters are not going to introduce any more
> flare than the lens elements themselves.
>
> I shoot travel video. My camera gets handled fairly roughly and in all
> sorts of environments. The only time I use it without a filter is when
> I have my WA adapter in place, and that's only because I haven't found a
> filter thin enough to eliminate vignetting.
>
>>
>
Tiffen have WA versions of some of their filters.
In truth the photography people are correct and putting anything in
front of the lens can be a problem and one would certainly want to
minimise the number of filters on the front of the lens to the absolute
minimum. Filter stacking is not a good idea for sure especially with
screw ons.
I use a Tiffen UV filter on my XH-A1 and have not noticed any additional
flares or aberrations. I don't use a filter on my Canon 5D as the lens
cap is off only while shooting. One would reasonably expect a video
camera lens to be exposed for longer periods than a stills camera hence
the additional protection.
Horses for courses.
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