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    Ross London 5 in (127 mm) f/ 4 patent Wide Angle xpres E.M.I. ref. № 14a/843 (14a/1101)
    Ross London 5 in (127 mm) f/ 4 patent Wide Angle xpres E.M.I. ref. № 14a/843 (14a/1101)

    Ross London 5 in (127 mm) f/ 4 patent Wide Angle xpres E.M.I. ref. № 14a/843 (14a/1101)

    125mm · f/4

    Overview

    The Ross London 5 in (127 mm) f/4 Wide Angle Xpres is a WWII-era aerial reconnaissance lens known for its distinctive, bubbly bokeh. It offers wide-angle coverage but may have moderate sharpness and contrast typical of its era. Build quality is robust, reflecting military specifications. The lens suits photographers seeking unique, characterful rendering for creative or vintage-style imagery, though it may not meet modern standards for edge-to-edge sharpness.