Is the voigtl nder heliar hyper wide 10mm f 5 6 aspherical worth buying used?

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From Voigtländer Heliar-Hyper Wide 10mm f/5.6 Aspherical: Voigtländer Heliar-Hyper Wide 10mm f/5.6 Aspherical: A prime lens by Voigtländer for Full frame cameras, 10mm f/5.6. One of the widest rectilinear lenses made. Specs - Maker: Voigtländer - Focal length: 10mm (prime) - Maximum aperture: f/5.6 - Made for: Full frame sensors - Mounts: Sony E, Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Leica M): as marked, 10mm. - On APS-C (Sony ...

From Voigtländer Ultra Wide-Heliar 12mm f/5.6 Aspherical III: Voigtländer Ultra Wide-Heliar 12mm f/5.6 Aspherical III: A prime lens by Voigtländer for Full frame cameras, 12mm f/5.6. Discontinued, but common used.

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