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Helios-40-2 lens history Six lens enlightened, over aperture anastigmat slightly increased compared with the normal lens focal length. Equipped with iris diaphragm and ring pre-install it. Helios-...
Helios 40-2 lens history
Helios 40-2 lens - Six lens enlightened, over aperture anastigmat slightly increased compared with the normal lens focal length. Equipped with iris diaphragm and ring pre-install it.
Helios 40-2 lens description
- Mount - Sony NEX (lens comes with adapter M42-SONY NEX (with confirm chip),
- Angle of view - 28 ° ',
- Focal Length - 85 mm (85.18 mm),
- Relative aperture - 1:1,5.
- Frame size - 24x36 mm,
- Number of lenses / groups - 6 / 4
- Front vertex focal distance - -26.85 mm
- Rear vertex focal length - 44.52 mm .
- Distance from first to last the surface - 81.53 mm
- Light diameter of the first surface - Ø56, 9 mm;
Helios-40-2 85mm сompatible with:
Sony NEX-3
Sony NEX-C3
Sony NEX-5
Sony NEX-5n
Sony NEX-7










