Re: [OM] Dr. Flash asks a flash question

[Chuck Norcutt]

Minimum ND level is greater than what I need.  Also very expensive.  It 
would require an 82mm filter to completely cover the flash window of a T-32.

Dr. Flash

On 12/14/2013 8:30 AM, Chris Trask wrote:
>>
>> Anybody have any suggestions on how to cut the light output of a T-32 in
>> full power manual mode by 1/2 stop?  Using the low power setting on a
>> T-32 drops the output by 2 stops.  Using a filter holder and a T-32 ND4
>> filter also drops it by 2 stops while the ND8 drops it by 4 stops.
>>
>> I can't use auto or TTL modes so have to figure out how to throttle it
>> back in manual mode.  I've thought about using some sort of ND gel
>> filter but these things tend to cost more than the present value of a
>> T-32.  I've thought of sprinkling little stick-on black dots over the
>> surface to block the light but don't know how well that would work.  Any
>> blockage needs to be distributed over the surface fairly evenly since I
>> don't want to block the angle of coverage.  Maybe a layer or two of
>> exposed B&W film?  What can you suggest that I haven't already thought of?
>>
>
>       Looks like a great opportunity to use one of those variable neutral 
> density filters.  You could experiment using a pair of linear polarisers to 
> see if one will do the job for you.
>
>
> Chris
>
-- 
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/