As priit says you may have to use neutral density filters. However, ND
filters will certainly complicate painting with light as it will take a
bright flash to get through the filter.
Chuck Norcutt
priit@xxxxxxxxx wrote:
>
> On Fri, 29 Aug 2008, swisspace wrote:
>
>> I am interested when I read about photographers taking long exposures
>> (30 secs or longer), but wonder what I am doing wrong when even with the
>> smallest aperture and lowest iso I can't get close to those shutter
>> speeds. Do I need to hold some welding glass in front of the lens or am
>> I just missing something obvious.
>
> Heliopan makes up to 1000x neutral density filters, that should give a lot
> of exposure time. In stores you probably wont find anything above 8x-16x
> (by any major maker). 16x is only four stops, but that's a start too.
>
> priit.
>
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