[Alt-photo] [Alt-Photo] Wet Plate Collodion Sensivity Filterfor Normal Film
Mustafa Umut Sarac
mustafaumutsarac at gmail.com
Sun Sep 10 15:29:06 UTC 2017
Lets put the facts,
*Panchromatic bw film is highly sensitive to uv light , especially Wet
Plate Collodion Spectral Range*.
*Above link reports average optical glass BK7 is sensitive from 220nm to
700nm and above. That sensivity covers Wet Plate Collodion Sensivity.*
*I think we need a filter*..
*And I think most important characteristic could come from crystal
structure. I found an silveriodide microphotograph and crystals are tight
and they were packed like manhattan buildings and every building have
Can you confirm that ? You can read the paper at APUG resources.
*And other question , I looked to wet plate collodion wpc sensivity link
and it was between 380 and 420. But it can go to 300 or lower. I dont know
? Who can find me an scientific article name or doi ?*
On Sun, Sep 10, 2017 at 5:59 PM, Mustafa Umut Sarac <
mustafaumutsarac at gmail.com> wrote:
> My friend was looking for a uv enlarger and lens, APUG members suggested
> normal lens is uv transparent . Is it true ?
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