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3m-5a 500mm F/8 Mirror Lens

3m-5a-500mm-mirror-lens-g-400d-6568.jpg ThumbnailsRussian Catadioptric or Mirror LensThumbnailsRussian Catadioptric or Mirror LensThumbnailsRussian Catadioptric or Mirror LensThumbnailsRussian Catadioptric or Mirror LensThumbnailsRussian Catadioptric or Mirror LensThumbnailsRussian Catadioptric or Mirror LensThumbnailsRussian Catadioptric or Mirror Lens

Russian Catadioptric or Mirror Lens - ZM-5A (3M-5A) 500mm F/8.

Russian made JSC "Lytkarino Optical Glass Factory" LZOS based on Maksutov's design.

This lens succeeded the original MTO-500 lens, which was a heavy, brass unit. "MTO" stands for "Maksutov's Tele Ob'ektiv". ZM stands for Zerkal'nyi (Mirror) Maksutov's.

The later 3M-5CA was redesign from 3M-5A cutting size and weight ( 3M-5A weight = 1.225 kg) to 0,62 kg by removing tripod collar and build in hood.

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