Vega-11U 2,8/50 Russian enlarger lens M39 type

Vega-11U 2,8/50 Russian enlarger lens M39 type
  • Vega-11U 2,8/50 Russian enlarger lens M39 type
  • Vega-11U 2,8/50 Russian enlarger lens M39 type
  • Vega-11U 2,8/50 Russian enlarger lens M39 type
Product description

Vega-11U 2,8/50 enlarger lens - 5 anastigmat lens (5 elements in 4 groups) designed for format negatives 24x36 mm. The exact focal length - 54 mm. Focusing is done by rotating the lens focusing ring with frame enlarger. Lens has a device for fixed installation of each aperture. Aperture range: 2,8-11. Field of view 38 °. Transmittance - not less than 0.55. The resolution of the lens, referred to the plane of the film at 5 * magnification: center / edge lines / mm - 70/40 (according to other sources - 71/39, as well as- 45/25). Operating distance - 28.8 mm. Connecting thread M39X1.

Note: when installing through the normal adapter M39-Nikon, M39-Canon, M39-Pentax, Vega-11U 2.8/50 hurt mirror cameras, as it has a huge overhang the rear of the helix. The rear of the heavily favored. The lens can be used on a narrow format (on conventional crop cameras and modern full-frame SLR cameras) only with the macro tubes or macro fold bellows.