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Darkroom

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heat absorbing glass

PDE

#1
Could ordinary plate glass be used as heat absorbing glass in an enlarger?
 

PDE

#3
darkroommike said:
The real deal absorbs IR and is rather greenish what do you need a glass for?
Click to expand...
I am a DIYer, made one enlarger and now finishing up another. Collecting items for 4x5, thought an absorbing glass would be needful.
 
darkroommike

darkroommike

#4
There's a bunch of it on ebay at any given time. Or you could go the Durst route and use a mirror or like the old Kodak printers with a IR dichroic hot mirror (surplus ones might not be too dear).
 

PDE

#5
darkroommike said:
There's a bunch of it on ebay at any given time. Or you could go the Durst route and use a mirror or like the old Kodak printers with a IR dichroic hot mirror (surplus ones might not be too dear).[/QUOTE
darkroommike said:
There's a bunch of it on ebay at any given time. Or you could go the Durst route and use a mirror or like the old Kodak printers with a IR dichroic hot mirror (surplus ones might not be too dear).
Click to expand...
Yes, Ebay has a number of them listed, I try to use local hardware to reduce cost and shipping. I don't think that my limited hobby use would cause a serious build up of heat in the lamp assembly?
Click to expand...
 

PDE

#7
I'll experiment. Is there a print size limit, in using a 140mm lens, using 35mm film? Primarily for astrophotography.
 
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