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The Oriel Flanging System

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The Oriel Flanging System

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All our light source condensers have a female flange. We offer three sizes, we call them series, of condenser (the series size of each condenser is listed on the respective light sources pages). The “size” does not reflect the clear aperture, or beam size of the source. Except for a few Research Sources and a limited selection of light source accessories for those condensers, all our instruments and components use the 1.5 Inch Series flanges. You can only couple components of the same series together, unless you use a Step Down Adapter. Step Downs convert a 2 or 3 Inch Series flange to a 1.5 Inch Series.

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