Rollei Neutral Density Filter ND64 49mm Premium
Gorilla®* Glas: extremely robust and durable - high
translucency - no optical distortion
Luminance Coating: highest colour fidelity - low
reflections - scratch-resistant
Engineered & Quality Controlled In Germany: strict
technical guidelines - individual quality control in
Germany - special measuring procedure
ND filter is the abbreviation for neutral density
filter. The ND filter is used to achieve a uniformly
moderate darkening of the image. In addition, it gives
the image a uniformly neutral grey colour so that the
colour rendition cannot be altered.
An ND filter makes the subject darker by several guide
values thus preventing over-exposed images.
Frequent applications for ND filters include taking
shots with blur effects or of running water under
ND filters are used with various degrees of darkening,
depending on the prevailing light conditions for the
desired aperture and exposure time.
Long-time exposures rank among the most creative options for making buildings particularly exciting to capture and for lending additional dynamics to nature photographs. The Rollei Premium ND64 filter for lense size 49mm extends the duration of the exposure by six aperture stops and is thus suitable for particularly challenging nature and architecture shoots.
Gorilla®* glass and Luminance Coating - our duo for the highest optical quality
The Rollei Premium Round ND64 Filter is made from aluminium and Gorilla®* glass produced by the renowned specialist manufacturer, Corning Inc., from the US Federal State of New York. Gorilla®* glass is used exclusively for high-quality, sturdy display screens for premium Smartphones and high-end photo lenses. In a complicated procedure the ions of the glass material are exchangedon the molecular level in a simmering hot bath in an alkaline solution. The resulting increase of the surface tension of the glass body lends an already legendary resistance to weather conditions, heavy contamination, scratches and contact with sharp or pointed items to the Gorilla®* glass. In the rare case of a lasting impairment of the filter surface the coating prevents further splintering of the material. Scratches and score marks don’t grow any further and don’t lead to structural breaks. Due to the Luminance Coating, which was developed by Rollei exclusively for the new filter generation, distortions and reflections are prevented safely and an impressive colour neutrality is guaranteed even under unfavourable basic conditions. All image information and optical characteristics of the original subject are retained and transferred to the memory card.
A quality management system developed by us
You will only hold the Rollei Premium Round ND64 Filter in your hands if it has successfully gone through the challenging quality testing process. The QM “engineered & quality controlled in Germany” strategy sets high standards with respect to material and workmanship. Available in nine sizes (49, 52, 55, 58, 62, 67, 72, 77 and 82 mm) of lens diameters, your Rollei round ND64 filter will be your companion on expanded photo safaris.
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