The 6231 Secondary Focusing Lens Assembly for Light Sources is used to focus the collimated beam from a condenser and create an image of the arc or filament one focal length (4 inches) away. It consists of a 3 inch (76.2 mm) diameter fused silica plano convex lens and a 3 Inch Series flanged lens holder. It has a 2.7 in. (69 mm) clear aperture, and F/1.5. The model 6237 3 inch lens holder is also available separately if you need to mount a different focal length lens.
Model: 6231 » View Series Overview
Focusing Lens Assembly, 3 Inch Series, 4in FL, F/1.5, 2.7in Clear
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Newport Resource e-Catalogs*
- Newport Resource e-Catalog, pages 282-283 (English)
- Newport Resource e-Catalog, pages 282-283 (French)
- Newport Resource e-Catalog, pages 282-283 (German)