Does anyone know who makes the Caltar II-N 240mm Lens f/5.6, and what its specs are?
Does anyone know who makes the Caltar II-N 240mm Lens f/5.6, and what its specs are?
= Rodenstock (Apo-)Sironar-N. Big lens, usually seen in Copal 3. 72 degrees coverage, image circle 350mm at f/22 and infinity focus, which is enough for 8x10 with a little bit of movement.
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