Beck Isostigmar · Series 1a (longer focus, f/6.4‑f/6.5)
No sales of the Beck Isostigmar Series 1a (longer focus, f/6.4‑f/6.5) are recorded yet; we publish a price only from real sales.
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“Beck Isostigmar Series 1a (longer focus, f/6.4‑f/6.5): no recorded sales (method v1).” cameraworth.com, retrieved 8 October 2026. https://www.cameraworth.com/b/beck/isostigmar/v/series-1a-longer-focus-f-6-4-f-6-5/