Files Repository

Miscellaneous reference files:

Russian lenses: GOI 1963 Catalog (PDF format – 141 MB)

Russian lenses: GOI 1963 Catalog (DJVU format – 20 MB)

Russian lenses: GOI 1963 Catalog Notes (English)

(File courtesy of Andrei. Please visit his great website about Almaz cameras: http://xalmaz.narod.ru/)

Russian lenses: A. F. Yakovlev Catalog “The objectives: photographic, movie, projection,reproduction, for the magnifying apparatuses" Vol. 1, 1970 (PDF format – 10.2 MB)

Russian lenses: A. F. Yakovlev Catalog “The objectives: photographic, movie, projection, reproduction, for the magnifying apparatuses" Vol. 2, 1971 (PDF format – 7.5 MB)

Russian lenses: Catalog Index

(Files courtesy of Mikhail Lysak and the Astronomer.ru website.)

Sigma lenses: Sigma XQ Catalog with optical formulas (English)

(File courtesy of Y. Yang Square. Link to the original threasd on Xitek Forum: http://forum.xitek.com/thread-366376-1-1-1.html)

Sigma lenses: Sigma YS Mount user manual (English)

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