Y-2x 52mm yellow lens filter 52x0.75 52x0,75 USSR for Helios-44M 44M-4 44M-6 KMZ

Y-2x
52mm yellow lens filter
KMZ, USSR

Excellent condition. There are no scratches, cleavages, fungus. Rim has very small signs of age.

Lenses "MC Helios-44M-5" and "MC Helios-44K-4" are not included and shown as an example of mount.

This filter has 52x0.75 mount and is designed for popular USSR lenses: (MC) Helios-44M-4, 44M-5, 44M-6, 44M-7, (MC) Helios-44K-4 and others.

This is a classic yellow filter with medium power. It can be also marked as "Zh-2x" or "ZhS-17". Its aim is to weaken blue light and atmospheric haze. When taking picture of blue sky with clouds the filter intensifies contrast, blue sky becomes more gray. Also it strengthens the distinctness of far objects and contrast of shadows.

Yellow effect is expressed more when taking photo at natural light and less at artificial light.

If you need less powerful yellow filter, you can use ZhS-12 which has lighter effect.
If you need more powerful yellow filter, you can use ZhS-18 which has stronger effect.
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Weight - 22 g
Mount (mm) - 52x0.75
External size (mm) - 54x10