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SVE 3" EF Projection Lens Component

The item is a cylindrical optical lens or projection component, likely for a projector given its appearance and the visible 'EF' marking which often pertains to 'Extra Focal' or 'Extended Focus' lenses in projection systems. It is predominantly black with a matte or satin finish, suggesting an anodized aluminum or similar lightweight metal construction. The main body of the cylinder features a distinctive ribbed or grooved design composed of approximately 10-12 closely spaced, parallel, raised rings that run around the circumference. These rings provide a tactile grip and may also serve to dissipate heat or reduce internal reflections. The top and bottom ends appear smooth. Near the base, there's a smooth, unribbed section where white, etched or painted lettering is visible, stating "SVE 3" EF". This marking is likely the manufacturer's name or model identifier (SVE) and a focal length or specification (3" EF). The overall condition appears good with no significant visible damage, scratches, or wear marks that would suggest heavy use or mishandling. The surface appears clean, and the edges are well-defined, indicating good craftsmanship. Given the visible text and common designs for projection lenses, it likely dates from the mid to late 20th century. The quality of machining, particularly the consistent spacing and depth of the ribs, suggests a precision-made component characteristic of optical equipment.

Estimated Value

$25-45

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