Navitar 3X zoom lens offers fixed NA over the entire zoom range
The MicroMate 3X Zoom lens system images onto a 4/3 in. sensor and retains the same pixel resolution across the entire field. It images onto sensors with diagonals up to 22.5 mm with no vignetting. With a large field of view and fixed pupil position, the lens offers a fixed NA over the entire zoom range.
Navitar
Rochester, NY
www.navitar.com