I have just bought a 270mm series III f:7.7 dagor lens. It says C.P. GOERZ BERLI N DAGOR. No.3xxxxx. Lens looks coated and was made of aluminum, much like a mode rn lens. I have a few dagor brass lens. Does anybody have experience with this l ens? Will it cover 8x10? How is it caompared with older lens? etc. Thanks a lot.
Hugo zhang
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