Secondary Focusing Lens Assembly, 6 in. FL, F/4, 1.5 Inch Flange

The 6199 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 (6 inches) away. It consists of a 1.5 inch (38 mm) diameter fused silica plano convex lens and a 1.5 Inch Series flanged lens holder. It has a 1.3 in. (33 mm) clear aperture, and F/4. The model 6195 1.5 inch lens holder is also available separately if you need to mount a different focal length lens.