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Rodenstock 240mm f/9 APO-Ronar

The Rodenstock APO-Ronar 240mm f/9 is an apochromatic process lens with a 212mm image circle, covering 4x5in with limited movements. With a 49mm filter thread, the symmetrical Dialyte design is optimised for close-range reproduction work with flat field performance and minimal distortion. When stopped down, the image circle increases significantly, making it usable as a taking lens for landscape photography at a fraction of the weight of conventional designs.

Focal Length 240mm
Maximum Aperture f/9
Image Circle 212mm
Filter Thread 49mm
Format Coverage 4x5in

Sales History

Prices shown are UK auction hammer results — the wholesale level achieved in the saleroom. Neither buyer’s nor seller’s commission is included. Dealer and retail asking prices are typically higher.

Date Price Source
Jan 2026 £175 Flints Auctions
Aug 2023 £112 Flints Auctions
Oct 2022 £75 Flints Auctions