Thanks all.
My orange filter is brand Hoya, I check Hoya's homepage said that its'
factor is 4. I think it haould be +2EV.
Btw, thanks fot Jeff's advice the check metering differnece for RF camera ^^
Michael
2006/3/11, Michael Wong <mialop.wong@xxxxxxxxx>:
>
> Dear all,
> I wish to take B&W shooting with my Olympus 35SP. Unfortunately, it is not
> TTL metering. If I put an orange filter in front of the lens, how many EV
> should I adjust?
>
>
> Thank you very much!
>
>
>
> Michael
>
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