Description
The Russian ZM-6A is a classic sample of Soviet-era engineering and workmanship. It is a 500 mm telephoto mirror lens based on the design of a known Soviet engineer Maksutov. 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 ZM-6A was much improved, it is a faster lens (1:6.3 vs. 1:8 in the MTO-500). It is also lighter, with multi-coated glass, and has a built-in sliding lens hood.
Lens’ Specifications
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500 mm |
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1:6.3 (fixed, this design does not allow for variable aperture) |
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5 deg |
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6m – Infinity (the lenses of this design may focus past infinity, this is done to compensate for thermal expansion) |
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M95x1 (4 filters are included) |
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45.2 +/- 0.02 mm |
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M42 |
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Max diameter: 100mm (4″), Length: 165mm (6.5″) |
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This ZM-6A was made in 1991. It is in mint condition,looks unused. The glass is clear and clean. The focusing is smooth.
You will need a sturdy tripod to shoot with this lens.
The set includes:
- ZM-6A Lens with buil-in lens shade.
- Four filters (Yellow/Green 5.6x, Orange 4x, UV 1.4x, Neutral Density 4x)
- Metal front screw-in lenscap and plastic rear lenscap.
- Vinyl Case
The lens is shown mounted on a Zenit 12xp (not included). This ZM-6A can be used with any M42 camera.
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