Heliopan Protection Filter 2020 Ø 72 x 0,75 mm | SH-PMC coated
The Protection Filter meets the wish of many photographers after a pure lens protection
- Heliopan Type 2020
- For brilliant color reproduction, highest contrast and sharpness Heliopan offers:
- The highest quality optical glass from the German Schott Group
- The longest life expectancy thanks to brass filter rims
- Minimal reflections because of matte black filter rings
- At least one high quality hard coating on each filter side to reduce stray light, to maintain high contrast and to avoid flare.
- SH-PMC broadband coatings of 8 layers per side for the highest reflection reduction (below 0.2%) and:
- Dust and moisture repellent top coating on each side of the SH-PMC coated filters for easy cleaning and longest life.
- Made in Germany
- absolutely color neutral
- reliable protection for the lens
- water, grease and oil repellent
- additional internal thread for attaching further filters or lens aperture
Highest optical precision, SH-PMC coating, slimline brass capture, with front thread
The function of the Protection Filter is to keep dirt, sand or splash off from the front lens. The particularly clear special glass with high transmission is naturally remunerated. The remuneration reduces the adhesion of dirt particles and water drops.
Good lenses are many times more expensive than filter, and so it is close to screwing a filter to protect the sensitive front lens. However, so that this lens protection does not associate with a permanently acting filter effect, the protective filter such as clear glass should be completely color neutral and of the highest transparency. Therefore, you should use a Protection filter that has all these properties.
Heliopan-Protection is a purely special protective filter that is optimally ground from spectacle glass and coated with a high quality compensation. It is used for optimal protection for the front lens.
Heliopan SH-PMC Multicoating
The reflection on glass / air surfaces is making a major cause of loss of contrast in objectives, the most demanding in the extreme Photography impossible. Therefore, lens manufacturers operate an enormous effort for the remuneration of their lenses. This quality chain should not break it by using a filter with inferior compensation. With new proprietary systems and technologies Heliopan filters are provided with a much improved remuneration. The existing on each side of each of seven layers broadband coating reduces not only the reflectance in the visible light range to near zero percent, it is also water- and dirt-repellent. This makes it considerably more resistant to injury and easier to clean than previous MC filter or a front lens.
Heliopan SLIM brass mount
The Heliopan filter mounts are precision machined from brass. Brass is dimensionally stable and robust. The brass version does not generate quality-reducing mechanical stresses in the filter glass because of their very low thermal expansion, even under severe temperature fluctuations. Further, the risk of jamming is minimized in the filter thread of the lens. The black coating of brass mount prevents the possible effects of reflections on the socket.
Heliopan used optical glass filter from SCHOTT glass. The filters are manufactured entirely in Germany. Its optical accuracy exceeds that of gelatin filters. The filters are very resistant to aging and fading. modernster through the use of high-tech machines, guaranteed both in metalworking and in optics, is the highest quality
