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« [Lens] Renting a Lens - Hard choice, any suggestions?  
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graphs

@tmodns.net

reply to mhhack
Re: IR Filters

Click for full size
here;s hoya;s ir page:

»www.hoyaoptics.com/color_filter/···ting.htm

noting the graphs, showing the curves comparable to the normal hoya / nikon numbering system, where the filter number is the first two digits of the nm at 50% transmittance.
(example L39 is at 50% transmittance at 390 nm)
to forum · permalink · 2009-06-30 16:12:57 · Reply to this
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Forums » Tech and Talk » Technical » Digital Imaging TechnologyThree days... »
« [Lens] Renting a Lens - Hard choice, any suggestions?  

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