Standard F-Theta Lenses

F-theta lenses that provide a flat field on the image plane for laser scanning and engraving applications where a laser beam is scanned across a field by rotating mirrors. Most are BK7 lenses AR coated for 1064 nm or 532 nm with 90 or 104 mm diameter and M85x1 thread, offered in a range of focal lengths and scan areas; the category also includes JENar F-theta lenses.