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Re: Wood effect
At 2:01 pm +0000 11/4/00, rod sage wrote:
>
>> is the Hoya R72 the equivalent of an 88 or an 89b?
>> The number would suggest that it is approximate equivalent
>> of Heliopan RG 715.
>> Can you observe the Wood effect directly with it on a sunny day?
>> Phil
>
>Could someone explain the Wood effect? Sounds like there's a joke in
>there somewhere.
>RDS
Rod,
There should be a joke there but it simply means green foliage appearing white.
The effect can only observed indirectly without the use of hallucinogens.
All the best,
Clive http://www.cocam.co.uk
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