Ilford includes wedge spectrograms for all their film and paper in their
data sheets. The only one I have at hand right now is for RC warmtone: the
range is about 350 - 550 nm, w. a sharp maximum at about 525. You can get
.pdfs from their other products on their website.
Liav K.
>Subject: Re: [pinhole-discussion] increased sharpness?
>To: pinhole-discussion@pinhole.com
>Reply-To: pinhole-discussion@pinhole.com
>just checked out the link, but that uv pinhole photo is not
>unusually sharp... i think he just had a decent pinhole to
>start with
>the next thought on sharpness is to recalculate the optimum
>aperture size formula by substituting the average wavelength
>that paper is actually sensitive to in order to find out if
>it makes any difference... does anyone know the range of
>wavelengths that b&w paper is sensitive to?
Received on Sun Jun 2 00:43:08 2002
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