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Re: greenhouses
At 11:44 am +0000 6/3/01, rod sage wrote:
>
>I am feeling restless waiting for spring foliage and am planning to find
>a greenhouse in which to try out some Maco 820. Can anyone tell me if a
>glass roof will cut IR? I would assume that they would like the full
>spectrum of light to come through. Should I read the light normally or
>increase exposure a bit? Thanks.
>
>Rod S.
Ordinary glass has no discernible effect on transmission of InfraRed
light in the spectrum used for photography so use a normal light
reading - or as you would for infrared photographs taken outside.
--
All the best,
Clive http://www.cocam.co.uk
Photographic Services, Filters and Equipment, Infrared FAQ
http://www.f32.net
Large Format Travel and Stock Photography
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