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> 2007
> Optical filter dichroic 630DRLP 25MM beamsplitter @45
Optical filter dichroic 630DRLP 25MM beamsplitter @45
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This filter is NOS from an instrument manufacturer. The filter separates a band of GreenYellow/Orange by reflecting it at right angles to the incidence light, while transmitting nearly all of the DeepRed.
The filter makes a very good color separator of Green to Near Red from deep red emission signal.
filter specifications follow: Reflection band 500 to 620 with average of 95%, Transmission band 650 to 800+ nm with an average of >85%, Size 25 mm, Substate material is glass. Original cost $150
For a most comprehensive assortment of filter solutions, follow the link at my store, under "Technical Data" to the Omega 'Build A Filter' tool. Millions of potential matches are available. Prices are very reasonable if you indicate "cosmetic seconds acceptable".