Spec Notes
Aperture scale from Kodak's instruction book: f/3.5, 4, 5.6, 8, 11, 16 — corroborated by the Science Museum Group accession record (co8085265, "f/3.5-16"). Filter Series VI via Kodak Adapter Ring No. 25. Min focus 3.5 ft normal scale, red close-up scale to 18 in (46 cm), which is the recorded figure. NAME COLLISION — GUARD: a Kodak Ektar f/3.5 50mm was ALSO fitted to the Kodak Retina I. Same name, same focal length, same aperture, different camera, non-interchangeable. Never merge on name; key on mount. ELEMENTS NOT RECORDED: one uncited secondary source says four elements (Tessar type). A single uncited claim is not a value. 1941 list price $60.00.
Max Aperture
f/3.5
Min Aperture
f/16
Min Focus Distance
46cm
Filter Series
VI
Alternate Names
—
Introduced
1941
Focal Length (Max)
50mm
Focal Length (Min)
50mm