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General Photography
Abstract
IR without LPF
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<blockquote data-quote="BackdoorArts" data-source="post: 331927" data-attributes="member: 9240"><p>Sorry, Martin, but all my IR is done with the converted D7000 and I don't have an external filter. Regardless, it's not the OLPF that blocks the Infrared, it's a separate filter within the stack. I couldn't find a diagram for the D7100, but here's the configuration of the D800 and D800e stacks...</p><p></p><p><img src="http://www.imaging-resource.com/PRODS/nikon-d800e/ZD800ELPF2.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>As you can see, the second layer of both is where the IR blocking occurs, and it's this piece of glass that's replaced in an IR conversion, either with plain glass for full spectrum, or a visible light filter of predetermined wavelength.</p></blockquote><p></p>
[QUOTE="BackdoorArts, post: 331927, member: 9240"] Sorry, Martin, but all my IR is done with the converted D7000 and I don't have an external filter. Regardless, it's not the OLPF that blocks the Infrared, it's a separate filter within the stack. I couldn't find a diagram for the D7100, but here's the configuration of the D800 and D800e stacks... [IMG]http://www.imaging-resource.com/PRODS/nikon-d800e/ZD800ELPF2.JPG[/IMG] As you can see, the second layer of both is where the IR blocking occurs, and it's this piece of glass that's replaced in an IR conversion, either with plain glass for full spectrum, or a visible light filter of predetermined wavelength. [/QUOTE]
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